Duramax oil leak front passenger side See less See more 2 New rig 06 LT rglb 4x4 Are upper oil pan leaks common on a duramax? From what I can tell my truck is leaking suddenly from right above the oil filter mount and all along the back side. Come join the discussion about duramax engines, performance My passenger side was a breeze compared to my drivers side. The valve cover gasket is designed to prevent oil from moving out of the Duramax Second Generation: 2004. I've had a coolant leak for probably close to a year now. obviously this is too far away from the waterpump. To me it sounds like the water pump. Drivers side bell housing is clean. Joined Aug 13, 2018 · 18 Posts #45 Noticed oil on the garage floor. Look at the steps below to pull off this process: Step 1: Park Your Car; The infamous Duramax oil leak that looks like a rear main is actually coming from the PCV system. After power washing the lower half of the engine I found the leak. It is so easy to check that's where I would start abought 20 bucks should stop the oil leak. It was not, still leaking. Mine did this when the factory injectors failed. I took it to the dealer multiple times and they said they couldn't find the leak. Mine is leaking a little from the oil pan area on the passenger side, noticed it at 10k miles, at 19k now, still not Also they way overfilled the engine oil and didn't switch the front tires side to side when rotating to the back. I added dye to the coolant and found it. Ive checked the sunroof drains. Save Share Reply I know I have a roof leak somewhere that drips between the front of my passenger side seat and the console at the carwash or during a I have a 2014 duramax, chipped and deleted with straight exhaust at 38,700k on it. The dealer got me fixed up on that one. Coolant leak front passenger side. Soaked radiator cap in soapy water (in hopes to eliminated coolant system pressure). Almost 90% of all rear main seal oil leak Leak and hissing from 2012 Subaru Impreza 2. There is oil all over the passenger side engine compartment. if the sunroof was leaking it would've been on both sides, right! i'm thinking that the windshield seal cracked. 2015. near the starter on the passenger side. H. Next to the crank balancer is a crankcase vent tube- if the oil is over full, it will blow oil out the tube and show leaks at the front of the oil pan. It continues to drip when it's not running. 5-2005 (LLY) Serious Right Side Fuel Leak. It coats the front grill, originally more at the chrome upper part where it meets the hood. It's a clear light machine type oil. Since there was such a generous amount from the oil leak it diluted enough to look like oil. Jump to Latest 2. It runs all around the passenger side end of the engine. The harness is tied down with a zip tie, the protective cover gets cut and shorts the wires by contact with the sharp corner of the FICM bracket. I saw oil in this area a few hundred miles ago and wiped it down thinking it was from the oil change done at 7800 miles. If you can find the joint line of the timing cover, try to The seal also helps to keep fluid from leaking out of the front and rear output shaft to the differentials, which keeps all metal components properly lubricated for extended use. 12-13 MPG. I have removed the wheel well and found that the lower valve cover on the passenger side is leaking. It appears to be coming from the front, center of the engine. burning smell and oil sprayed about the top of the engine block. Now it’s getting worse. They are located on the firewall in the engine compartment on the passenger side and are a Chevy / GMC Duramax 01-04. Mine is also tuned with dpf delete, so it may be a fight to get this dealer to service it under warranty. No issues except a fuel leak. No coolant in oil. Any ideas what it is coming from? blow-by tube down front of motor. Oil seems to be dripping out of blow by tube on front passenger side of motor at the front of oil pan were it mates to the block. com was founded in 2006 and created a site which houses some of the best known Duramax tech you Passenger side water leak front of door onto floorboard. circled. major fuel leak passenger side. Injectors and HP Chevy / GMC Duramax 11-16 LML Forums. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, Fabtech 4” Differential Drop Lift Kit w/ Stealth Shocks & 35 Inch Tires on 18x8. They looked at me and said "well the truck is lifted so ya we can't warranty it" , so I While doing that, I noticed a oil leak around the valve cover, passenger side, cylinder 7. -MBRP 4" Stainless Exhaust, kitty ran away. First and for most check the PCV valve that is where the oil gets seporated from the blow buy the oil should drain back into the crank case through the PCV. Other common leaks (not in that area) are rear main seal, oil pan gasket, then front main seal. Jump to Latest We put it back together drove it a short distance and when we got it back home noticed oil coming from the passenger side front of the motor. Truck was in the shop 17 days. 0 Duramax. It's not showing any excess oil on either side. 9) It may be necessary to remove the front accessory drive bracket and alternator. 06-07 LBZ & LLY Duramax Powertrain Coolant Leak Troubleshooting. Also the leak I’m having is on the drivers side front corner of the motor it seems to on this black plastic piece that’s next to the block and leaking down making it look like a upper oil pan leak. Oil change and new exhaust were last two things done. D. 5 LLY Drivers side coolant leak 04. because its a slow leak but is all over the filter/oil cooler and seems to follow the block on the bottom side to the passenger side. Save Share In addition, check the O-ring seal on the EGR coolant feed pipe for a coolant leak. The driver's side of the block around the oil cooler is dry. Jump to Latest 7K views 9 replies 6 participants last post by GM Customer Svc Jan 20, 2015. out of the way I might have torn the o-ring that goes between the oil cooler and the coolant tube that comes out the front. 5-05 LLY Forum. Rear main seal oil leak? Have put in 3/4 of a quart of oil since last oil change, The epoxy coated piece is the upper oil pan. I would focus on looking in the valley of the engine as any oil leak there will drain down the pass side rear of engine. 5 GMC Sierra 3500HD Denali SRW 6. Pan seal, oil dipstick tube, or more oil blow rearwards from the front main leaking? Interesting that it's really gunked up, but doesn't look wet. There is a hole in the plastic cover quite high up where one of those plastic clips should be and the oil is coming through that hole and it is alsoon the edge of the cover lower down. Just need some opinions on the issues I’m having. After getting under it I found a Hello, i have a 2015 6. I have an 02 Duramax and just yesterday I started having a fuel leak on the passenger side of the engine. It's a very slow leak (about 1 drop every 5 seconds) but it's a consistent leak. Fig. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. It also is blowing out out the dip stick tube and if you have the oil cap off it will blow out Chevy / GMC Duramax 06-07 LBZ & LLY Forums. The mixture of diesel and oil eventually makes its way back to the oil pan. Anyone else had this issue? So my LML with only 15,000 miles is leaking oil from the oil pan gasket as well as the oil filter area. no leak during city driving. Truck: 2002 SLT CC GMC Duramax Performance Mods: Airbox Mod(K&N filter), MBRP 4" Turbo back, It goes in that hole and drains down the front side of the passenger fender liner. I haven't had any problems with it, it's been a great truck. Oil normally comes out the front of the engine on the passenger side, that is where the PCV vents on LB7s. Hard to pin point if its the water pump as its kinda all over the front of the trucks oil pan. As I was nearing my house I noticed the oil pressure kept dropping. You should also find a smaller diameter hose coming off the bottom. 2017-19 GM T-K2 Platform Powertrain Picture taken from passenger side looking toward front of truck with lower oil pan on right hand side . Looks extra oily. Unless disturbed, these ^ rarely, if ever, leak on their own. That's also where it goes if it boils There is oil leaking right above my head covers (between the carb and heads) on the passenger side. Duramax 6. Eventually, it makes its way out the crankcase/oil breather tube and all over the underside of your truck. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go Jr. However no leaks on wif or head. My lower valve cover gasket on the passenger side was leaking (from improper installation during injector R&R job and it took a while before it started leaking). But replacing these leaky hoses is an easygoing job. The cooler lines on the early trans do not have a problem like the 06-07 trucks did, besides the cooler lines are on the passenger side-- the leak looks to be on the driver's side. The trans lines are a suspect- many have had them leak, and blow back in the exhaust. Jason 2006 Silverado 2500HD LBZ CC SB Exterior: Escalade Handles, Front windows tinted to match the rear, painted bumpers & mirrors, billet grille, 305/50/20 Cooper Zeons on BMF Novakanes Death Metal, Cognito Braces, Stainless Sleeves, Train Horns Interior: 4 Kicker 10in Subs in 2 custom box's, Autometer Ultra lite II Pyro and Boost gauges, Aeroforce One was small and in the side nearest the intercooler. I have a 2005 2500HD Crew Cab 4x4 with a Duramax with just under 100K on it that I bought new. Not sure exactly where it's coming from. I pulled the passenger side plastic cover on the front pillar and the roof fabric in the very top corner is wet. Smell diesel occasionally on drivers side Ok i've got an oil leak on the driver side. Best thing to do is get a can of brake cleaner, spray all the oil off, crank the car up, and see where its coming from. 5 GMC Sierra Denali 3500 HD DRW 2016 Ram Laramie 3500 DRW Cummins. Read a few things here and there that suggest the 11's had a problem with the lower oil pan leaking. last time it was at the dealer for a front axle leak I looked under the truck while it was on their lift and noticed seepage around the lower pan. Today I really tried to pinpoint the leak and discovered oil dripping onto my starter solenoid and possibly making it's way down the backside of the 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear At a loss with my 01 LB7 fuel leak. Then I got 4 quarts of oil from dealer and put them in one at a time, checking the oil each time, still nothing on dipstick. Cleaned and oil residue returned a week later. But I'm not sure of the SOURCE of the leak. Attachments. It does t appear to drip while running just when turned off. leaks down and covers the bottom front part of the bellhousing. 10 psi is more than enough to supply the system for non race use. Hey guys, while under my truck yesterday i noticed engine oil leaking from somewhere on the passenger side First it was trying to overheat we found it was leaking around the water pump housing, 4 breaker bars later still unable to get the harmonic balancer off. Doesn't look like a the turbo drain tube That is the cold side intercooler tube on an L5P. The crankcase breather tube is located in the front passenger side of the block. But a couple of days later I got a low coolant level on the dash so I figured oh the thermostat opened up and used all the coolant from the reservoir so Go to Duramax r/Duramax. -Westin step bars Changed the oil in my 2013 denali hd at 12k miles and noticed front drivers' side axle seal leaking. 1356 posts · Joined 2022 Add to quote; Only show this user #2 · Jan 2, 2024. 5 LB7 Duramax Powertrain Bad oil leak. Injectors don’t appear to be leaking and no diesel in oil. Defective hoses will leak coolants on the front passenger side. It’s wet In the valley and dry on passenger side. Got home checked it out looks like it’s coming from the passenger side rear of the motor. Jump to Latest 37K views 19 replies At 500 miles my 2017 Denali HD was leaking oil from the passenger side lower valve cover gasket and working it's way down to the bellhousing. Fuel filter was also completed at oil change. Jump to Latest 27K views 5 It was dripping on the ground from the back passenger side of the engine. 06-07 LBZ & LLY Duramax Powertrain Exhaust manifolds leaking oil Jump to Latest Passenger side Driver side . 5-2005 (LLY) Oil Leak Front Driver Side near Wheel. The wifes:04 ECSB LLY LT 4X4: Built Motor, Built Trans w/ 1058, s472, 60% Chevy / GMC Duramax 11-16 LML Forums. 5|Rancho XL9000|MOOG The two coolant lines into and out of the heater core stubs out into the engine compartment. I've been trying to research for the last 2 hours about my truck leaking oil. Then my water pump to pipe gasket when bad. I had small leak around oil filter and it was dripping in to skid plate. 95 gph is more than enough to supply a 130 hp tune as well. Two days later, fresh oil on the garage floor. I've been reading every post I can find regarding coolant leaks and will inspect and replace the My sons is in the shop and I had just got off the phone with our mechanic before putting "front axle seal leak Duramax" and found your message. added a full container of "lucas oil power steering stop leak" Had low expectations but washed up my brake booster a week or two after and still no oil after a few months. Chevy and GMC Duramax Diesel Hello guys, I'm new to this website. It appears to be coming from the passenger side, and the area around the dipstick tube (it appears to be a large nut holding it into the pan) is completely wet. K. Originally I thought the rear main seal was leaking because the oil has ran to the back of the oil pan and on to the front of the bell housing cover and dripped on to the ground. Smtilford Discussion starter. Save Share Reply Quote Like. Removed the 'plate' underneath and could not see where the fluid is originating from, it My best guess could be the timing chamber gasket. Ive always had oil oil the filter, but Bottom of the radiator, passenger side. My parents truck is a 2006 Chevy 6. THe oil is not getting to the ground, but I don't like oil leaks. Took 3 weeks to get the part. This may be oil just spilling onto hot hoses but there is sometimes white smoke that comes out of the right engine side. Your oil is probably very diluted with diesel so you wont see it on the stick, and hence why you have 0 oil pressure and oil blowing out the PCV and throught the drain tube which is at the front of the motor on the passenger side. 6 Duramax with Allison 2014 Dodge Dually 3500 SLT 6. After running for a while and parking I noticed a small antifreeze leak on front drivers side. I I have replaced the oil pan gasket so far and cannot see any oil coming from the turbo oil lines. -Non-LUX Navigation upgrade with CDX-Edge Juice w/ attitude-Transgo JR-AFE Stage 2 Proguard 7 intake. My truck is a 2011 with 8200 miles and last week I posted about my drivers side rear axle seal having a big leak. full stereo with LML Coolant Leak Thread starter Cmmoreno00; Start date Jan 24, 2019; Forums. The O-ring may be pinched or rolled. At the oil cooler there's a big o-ring that seals it, and at the water pump Passenger side water leak front of door onto floorboard. 17 x 9 XD Series Crank Wheels, 15% Tint Driver/Passenger windows, GM Tow Mirrors, DDM Tuning HID lights 6000K 35W Since these galleries run on either side of the engine, this oil leak may be found on the right or left rear of engine. 2001lb7stage4ppe Discussion starter. 2006 GMC Sierra 2500 HD SLT ECLB, LBZ, LED tailights, black turn signals , black aftermarket headlights,265/75/16s uniroyal larados,Bilstein shocks,Banks 4inch exhaust, Nicktane adp, with a 3 micron Donaldson fuel filter, Schaffer's oil, pcv Re-route from alligator performance, Nicktane race plug, GM cab light,Banks 3 inch boost tube,And S&B air intake good to be hey guys, i am not sure if this has been asked about before but i could not find anything on this issue in the search. Front crank seal leak at 30K miles. The large one vents down there by your Coolant leak on passenger side back. 9K views 2 replies 2005 LLY 2500HD EFI Live tuned by Ridgerunner Performance, Edge CST2, lifted with Cognito, 4 inch straight pipe hollow cat and 5 inch Silverline tip, 22x14 Red Dirt Road Wheels with Auttro Trail Blade XT 35x12. (small oil leak from passanger side valve cover) and will not be able to get mine to the Well its never good it could be leaking from the small coolant plate on the passenger side right under where the manifold and uppipe bolt together. 2002 Chevy 2500HD Crew - Original owner - 455,000 miles so far. 5 D\A LLY Extended Cab Predator 2. Has always done it but Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Large oil filter adapter w/ Donaldson DBL 7483. After a day or two it won’t drip anymore. I did find a coolant line My 06 lbz has been leaking for quite some time. Still have fuel leak on drivers side at high speed. It also is blowing out out the dip stick tube and My valve cover gasket is leaking up front on driver side and back on passenger side (both on valley side of engine). The large one vents down there by your oil pan. It's is strictly coming from the passenger side. I've got a 2006 LBZ that is losing coolant when towing. 5 LB7 Duramax Powertrain . As more diesel fuel is leaked into the oil, the level in the oil pan increases. check the quick connect fittings infront of the side battery, mine developed a leak there . Then they claimed it was the lower oil pan. 01-04. 0i. S. It doesn't appear to be coming from above so it must be the pan. From the top of engine bay you can't see the leak. I have a coolant leak above my passenger side wheel. B. 04. It was dripping down the back of the motor and presented as a rear main seal before looking into it more. Not engine oil or transmission fluid. kylant Discussion starter. It always has a wet oil ring accumulation around the head so I hoped that was the source. Sometimes at 70 mph I can see in side mirror fuel and/or smoke blowing out behind the truck. dmax3164 · Registered. The "oil" leak was actually my racing plug leaking and cleaning off the oil from my engine. and Ratio Tech kit. 5 bed - iridium metallic - Aug 17, 2015 Deleted @ 10,000 miles w/ Fass 150, Flo-Pro 4" stainless, Pypes 4" to 6" tip, FTE Resonator, PPEI tunes, Beans sump, PPE downpipe, Deviant/Profab EGR full delete, Merchant Resonator delete, SDP PCV reroute, WCF CP3 Conversion. mag hitec diff cover, amsoil dual bypass oil filter, bushwacker flares, 295/70/17 toyo m/t, a bunch of go-fast parts I cant name for the time being. I have a very bad oil leak, which appears to only leak when the engine is running. I tried looking from the top of the engine when idling but cant really see where it's coming from. When I slow down to 60 mph fuel leak stops. Well, I found that there is an external leak. 2016. It’s dripping down passenger side on the back of the engine. 11 posts · Joined 2012 Add to quote; Only show 2003 Chevrolet Silverado 2500HD 6. kazuaki Discussion starter. So yesterday after washing my truck I noticed a small coolant leak on the ground. 06-07 LBZ & LLY Duramax Powertrain 06 lbz oil leak upper driver's side. Something like power steering or brake fuild leaking and splattered around front driver's side wheel well. 6l completely stock truck with 130k miles. 6L LB7 4x4 CCLB -ARP Studs - Merchant Pump Rub Fix- 4' Cat Back MBRP Exhaust - 3" MBRP Downpipe - Airdog 150 - PPE Boost Valve - Banks Ram Air Intake - 4-6" My 15 developed an oil leak, with 2700 mi, in the same spots in the previous pic's. But doesn't seem like that's my issue to me. It was a beautiful day on 1-16-13 when I was getting my truck it's second oil change and I told them the passenger side diff seal was leaking. Is the leak centered on the engine, or more towards driver or passenger side? How far up on the engine is there a sign of oil coming out? Oil is coming out of hole in bottom center of bell housing. 5-05 LLY Duramax Powertrain. I was on my a arms even. 796 posts · Joined 2005 Add to quote; Only show this user #1 · Dec 24, 2006. Cleaning inside the front passenger side wheel well the other day I noticed black oil on the plastic inner protector. Saw a lot of burnt on 2015. There's a black steel tube that runs up the driver's side that returns coolant from the oil cooler to the water pump. Possible Oil Leak Paths 5053868 Legend (1) GASKET, VLV RKR ARM CVR (Rocker Cover Gasket) (2) GASKET, CYL HD (Head Gasket) (3) SENSOR, ENG OIL PRESS (Oil Pressure Sensor) (4) PLUG, ENG BLK OIL GAL (Plugs in Block Qty 4) (5) SEAL, OIL LVL IND TUBE (O-Ring on Oil Indicator Tube) (6) SEAL, ENG OIL LVL IND SW (Oil Lml duramax leaking coolant. 6L Duramax van converted to camper. and the feed point up front, next to the T-stat cover. This is where its leaking from any ideas? Passenger side, where the engine and transmission meet, the adapter plate I guess you would call it. 2003 Chevrolet Duramax Suburban K2500 Ripped apart my truck to put an industrial injection CP3 and drill out my passenger side fuel rail fitting and everything went back together good. Hopefully yours is resolved quickly. Owned truck 3 years and I’ve always had some coolant loss. troy:cool A scored o-ring on the low oil level sensor located on the lower left side of the oil pan was causing my oil leak. I thought I had a rear main seal leak @ 150k miles, turns out not to be the case. I have plenty of photos too. Bottom port of engine-bell housing shown in Chevy / GMC Duramax 01-04. I took it to dealer and they got code indicating bad oil pressure sensor. Hey guys new to the forum hopefully you can help. 2002 with 140K. Passenger side of bell housing is shown in photo. Couldn't find source yet. From my research, the biggest leaking point is just above the oil pan. (small oil leak from passanger side valve cover) and will not be able to get mine to the 2019 GMC 2500HD SLE 6. . I got a notification of low oil, stopped and checked and needed to add a few quarts of oil to get the levels right. So my question is there oil seal around the cp3 that's bad and leaks more when I'm driving harder? I do notice a valve rattling or fuel knock on my big tune. My L5P Denali is in the shop for oil leaking from the passenger side valve cover gasket. Oil pan seal has been replaced and does not leak. My low coolant light came on while towing a fifth wheel this weekend. Can it just be that the guys who installed the engine didn't do a good job stripping everything for leaks? So I have a 2011 sierra 2500hd ccsb and my passenger side floor is soaked. anyone else have the same isssue! Item 29 is a pipe that feeds the Oil cooler, running from the back side of the water pump (item 31), it has a gasket (item 26) on one end and an O-ring (item 30) at the cooler. Jump to Latest 14K views 7 replies 4 participants last post by Bujo0331 Apr 13, 2016. Any help is appreciated! 2011 LTZ 4x4 Z71 CCSB H&S MiniMaxx Street (with 2006 GMC 2500HD LBZ CCSB Purchased new - All Mobil 1/ Delvac synthetic fluids - Alligator transmission lines - Dorman PS cooler - Moog front-end rebuild - Optilube XPD - Boost mirrors - Curt Class V hitch - Merchant Pump Rub and Trans Support bracket - 265 tires - Kennedy single w/ dual Baldwin filters -CTS2 - Just finished installing Mahle grade C This could either be the upper pan leaking, or possibly just oil from the front seal being blow rearwards. Saw on youtube someone traced a similatr issue to a adapter plate. There's an oil gallery plug right above the front crankshaft pulley/balancer on the right side. Coolant leak - lower front passenger side of engine? Jump to Latest 4. EDGE CTS ROB FROM IDAHO, 8" Fabteach, 37" pro comps on 18s, straight exhaust AFE intake with mouthpiece, blacked out, custom one of a kind cab lights. I'm chasing an oil leak on mine and discovered the same thing! I'm greatly relieved to know the differential isn't loose on it's moorings!. This could either be the upper pan leaking, or possibly just oil from the front seal being blow rearwards. I'd read that in forums, but could not find any informatio Duramax Second Generation: 2004. 22 posts · Joined 2009 Add to quote; Only show this user #1 · Nov 12, 2024. But there should only be a little. Engine oil is okay. There is no evidence of it leaking from any of the various radiators in back of the grill Recently I've been having to add coolant to the recovery tank, about a 1/4" per day, so I pulled the passenger side fender liner and observed leak evidence on the front and rear lower corners of the passenger side head just below cylinders #1 & #7. Things to look for? Passenger side is try. After being drove it will leave a 6-10” puddle under the truck after the truck is turned off. Usually happens on full tank, sometimes on half tank or less and when under load or accelerating. 10) Fig. Fixed. Hey Duramax 360Be sure to check the bulkhead connector gaskets (grommets around electrical connectors)on the front doors. Front end damaged in accident several years ago, frame bent, totaled out, driven from Atlanta to Birmingham, repaired, driven several years and then bought by me. Owned truck 3 years and I’ve always had some Coolant leak on passenger side back. Bujo0331 Discussion starter. 10 Radiator 2011 GMC Sierra Duramax Oil Leak. The large one vents down there by your Oil leak, passenger side below radiator/intercooler. 2001 duramax. Cleaned again and same problem a week later. For some background, truck has 152,000 miles, 35,000 on new injectors, 400 miles on new CP3/FPR. There are 2 black hoses and it is coming from the upper one (think thats intercooler). We put it back together drove it a short distance and when we got it back home noticed oil coming from the passenger side front of the motor. could be a turbo coolant line seeping a little dripping in the valley and then running down where the trans and motor bolt together. Okay I’ve got some questions again. Jump to Latest 564 views 6 replies 3 participants last post by kazuaki Nov 14, 2024. 5 LB7 Forums. The tech re-torqued the bolts and said that should take care of it There is oil coming from that piping down below, Any ideas? I don't know anything about diesels yet, nor turbo's or any of this stuff, I would assume the turbo has oil? does oil leak from the turbo? should it? Where does the oil from the turbo come from, is it a sealed system for the turbo, or is it looped from the engine oil? Thanks, Mark New L5P Denali HD started noticing oil collecting on the bottom of my passenger side bellhousing. Did not fix. There is no evidence of it leaking from any of the various radiators in back of the grill. Oil filter does not leak. The cylinders are numbered from the front--- passenger side- 1-3-5-7 and the drivers side is 2-4-6-8 Also inspect the FICM wire harness at the passenger side of the alternator for problems. My leak is on the passenger side bell housing near the blocker plate. 7 posts · Joined 2023 Add to quote; Only show this user #1 · May 6, 2023. but before I would just fill it up once a month. 160 K miles. On the drivers side there is a vent with a tube that runs up near the fuse box. Had a slow coolant leak for quite some time now Had it up on a lift to fix something else and could see coolant on a downpipe and splashed around some other hard to reach areas. Mechanic said luckily this was on the drivers side and not the passenger? He said it would run Bought a 2003 chevy 2500 duramax in March from a friend. Jump to Latest This is the first for an oil leak (other 3 times were a leaking door seal). That said the fuel lines run up the drivers side of the frame up to the top of the engine on the drivers side. Are you sure its not simply coming from the PCV vent on the right side of the engine? If on the left, are you sure it isnt coming from The Duramax by design was based on a suction system, so your assumption is correct, that by adding pressure, you created a leak and or found a week spot in the fuel system. Mine was plugged and it will through oil all over the under side of the truck. I see it is dripping from the front side of the motor mount and also the back side of the MOUNT for the coolant hard pipe that comes off the water pump. It's not dripping under the fender well like other Lmls I have read about. Very common to leak. Might make sure you keep your filter clean or changed to eliminate to much suction on the PCV. Jump to Latest 2006 Chevrolet Silverado 2500HD CC LBZ Duramax, 6 Speed Allison. The other was underneath the steel strength ring and completely invisible except for oil. Way less oil than the It looks like it's coming from somewhere on the driver's side. this is the oil pressure sensor on the driverside just in front of the oil filter, and its on the side of the block It looks like it's coming from somewhere on the driver's side. I have an 02 Lb7 4x4 and i have a very strange coolant leak next to the oil filter on the driver side, the coolant is or looks like its leaking out around a bolt and dripping onto the front driveshaft u-joint. If they both check out okay, then follow the hoses to the black jug on the front passenger side of the engine. No leaks from the front or anywhere like that. I change the oil, air filter and fuel filter, but that's about it. Four years later. Jump to Latest 12K views 18 replies 4 participants last post by Witek_M Jun 14, 2020. and finally, near the starter on the passenger side. Unless The actual leak is much farther up the engine from what I can see. Right above the oil filter towards the topside of the motor. From what you've described as being under the AC compressor, I'm guessing you have a water pump leaking, although they seldom leak Yes, one on each side. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement 2005 chevy 4dr SB, Garret 4094-stage-2!! EFI. It's dry around the oil filter and drain plug. Starts immediately. The plug leaks and oil runs down onto the seal making it Valley can be head gasket, but it can also be turbo coolant feed or return, cracked turbo center section (never heard of this but theoretically possible), EGR cooler feed or return, the cooler itself, thermostat gaskets, coolant crossover pipe gasket, or the heater core feed or return. Loader 2004. Come join the discussion about The only "hose" I know of that is up front of motor that could "leak" oil is the blow-by hose but that's actually on the passenger side of the harmonic balancer. Don’t want to scare you but it might be worth checking Yes, one on each side. Would an Intake gasket leak and let a little out that way? this is on the LBZ by the way. It's now more on the lower bumper. 7 Cummins. 5 LLY. good power. But, I don't want to create other issues. Cen Pe Co diesel max fuel additive,Cen Pe Co Para/syn oil My sons is in the shop and I had just got off the phone with our mechanic before putting "front axle seal leak Duramax" and found your message. 2002 2500HD LB7 Duramax 170K +|Spyder Front End Conversion (ALL LED & 6k HID)|Royalty Core Custom Grill|20" LED Light Bar (Hidden Grill)|EFI LIVE W/DSP5 from Bob Olsen aka "BOBO"|ARP HeadStuds|LDS Injectors|Ported Turbo Horn|PPE Boost Valve|Rancho 6" Lift Kit|18" Pro Comp Mulisha Wheels w/Arturro Mud Tires 35x12. Nothing on the ground. You Background- I rebuild my entire engine maybe 10k miles ago and have had this oil leak off the front of the motor for a while. Decided to move to another spot and investigate and when I started up, got a low coolant message. Oil / diesel EVERYWHERE. Yes, one on each side. 9 Coolant also may leak from the coolant hoses at the Emission Reduction Fluid Injector (DEF injector). But a couple of days later I got a low coolant level on the dash so I figured oh the thermostat opened up and used all the coolant from the reservoir so 02 LB7 with 78k miles. Anyone else had this problem. now it's gotten to where I have to fill it up everyday. 2019 Colorado ZR2 Duramax Slip the hose onto the passenger side tube as far as possible, I had to take a broomstick and turn the end on a woodlathe so it had a 3/8 end that would fit in the hose end ( only 1/2”) and a Chevy / GMC Duramax 2017+ L5P Forums. It appears that the small hose, like a 1/2" hose, that goes from the top of the surge tank to the radiator it leaking where that hose connects to the radiator, then running down the radiator and leaking in the front passenger side corner. On the driver side, I thought the joint between the rear cover and upper pan looked like it was leaking, but I'm thinking now this could just be the oil cooler: Passenger side. It dripped maybe 1/2 ounce then stopped. And if it's "leaking", it means your oil pan is over-flowing which almost certainly means diesel in the pan. Anyone else having oil leak issues? Save Share Reply Quote Like. r/Duramax In the pic you can see it is dripping off the passenger side of the transmission. 2009 Chevy Express Cargo 6. It only leaks when running. KB6 Heated & Vented Seats Driver & Front Passenger, JL1 Trailer Brake Controller Massive oil leak on front passenger side of the motor. There are two areas with oil: #1 - on the drivers side near the stock turbo has the most oil can't tell exactly where it's coming from, although the oil is collected under the area in the yellow circle Drop some oil on a paper towel-- the oil will make a spot, and the diesel-[if any] will make a halo around the oil spot. 6 Technical. Took several days to find after removing turbocharger and other parts. Within 800k or so after the delete I noticed some blue smoke coming out the exhaust one night coming home from work, when I got home oil was dripping out the exhaust tip and the tail gate was splattered with oil, crawled underneither and there was a steady drip coming out from the 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear I have a 2002 chevy duramax that has oil dripping off the passenger side rear cylinder lower exhaust manifold bolt. 11-16 LML Duramax Powertrain 2013 LML oil leak. Oil filter is on tight and not leaking. 5-05 LLY Duramax Powertrain Drivers side coolant leak 04. 5 Vision Oil pressure sending switch, located on the bottom of the oil filter pedestal. If the jug fills up, that's where it comes out. 11-16 LML Duramax Powertrain. Just picked it up after 2 weeks and a day. When I was warming up my truck today I noticed a small drip on the passenger side front of the truck. Our truck is leaking on the driver side and is not bad but noticed while changing the oil this weekend. Mishimoto transmission cooler. The fuel system is actually under suction from the tank to the CP3 fuel pump so sometimes the leak is hard to locate. I am totally clueless when it comes to diesels. Turned out it was leaking from the passenger side valve cover gasket. Pan Very disappointed. The picture is from the ground looking straight up just inside of wheel well. Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Duramax First Generation: 2001-2004 (LB7) Leaking oil out of front of motor? Background- I rebuild my entire engine maybe 10k miles ago and have had this oil leak off the front of the motor for a while. 5 2500HD LS 4x4 Plow Package LLY Duramax/Allison - LBZ mouthpiece with resonator blocked, S&B LBZ CAI; PCV reroute; Danville Stage 2 billet turbo; DMAX high flow manifolds, LB7 up pipes, and wrapped down pipe; EFILive with DSP-5 switch in cig lighter; WCFab Y-bridge, cold- and hot-side intercooler pipes; Fluidampr harmonic For the life of me I can't figure out why went back and ohm tested the injector harnesses and they all tested 002 on 2000 resistance on both the driver and passenger side and I tested the injectors on the passenger side Once I shut the engine down, the leak gets very heavy. Got under the rig and sure enough, oil is dripping from the passenger side rear corner of the oil pan. This tube seals with an O-ring, and if it's never been removed, you'll probably need to replace that O-ring with new, once Chevy / GMC Duramax 11-16 LML Forums. Any help will be great! In this article, we’ll look at the major parts you should check when your car is leaking oil from the front passenger side. Sort by Oldest first Oldest first Newest first Most reactions. 6 LML that is leaking a significant amount of oil. I parked and let it sit several hours and checked oil, nothing on dipstick. Chevy / GMC Duramax 01-04. Mine seems to be coming from the passenger side, but working its way around to the middle of the truck. Chevy / GMC Duramax 04. Noticed a very small spot of oil under truck a few days ago, got it in the shop and it looks to be coming from the intercooler pipe up front passenger side. They are attached with"Quick Connect" fittings that rely on "O" rings to seal them. I have a 2002 chevy duramax that has oil dripping off the passenger side rear cylinder lower exhaust manifold bolt. The only time there is a lot is when the injectors fill the crankcase full of fuel. A forum community dedicated to Chevy and GMC Duramax diesel Truck:2005 LLY, Chevy, 2500HD, CCLB Lighting: HID hi/low and fogs replaced by light bars in bumper and all on mod! Tunes: EFI LIVE by Idaho Rob (ATP trucks) CTS2 monitor Air: Modified stock turbo, stage 2 afe intake, 5" exhaust, lbz mouthpiece mod, Fuel: cat fuel filter adapter, air dog 165, LDS 30% over injectors Interior: autometer C2 boost/fuel/egt gauges, 42,000 miles. The oil starts around the galley plug, not much higher, and spreads over the ground bolts and the I have a small oil leak on the front passenger side starting roughly at the lowest pulley. It might be worth checking? 2004. The oil is not dripping on the ground. The flywheel housing cover must be removed to service these plugs. I see coolant all over the driver's side of the front diff. Have driven it a few hundred miles since oil change, no fresh oil that I can't find in the previously mentioned spots. Appears to be coming from this tube connected to the intake manifold (front driver side). Hate2looz. Jump to Latest 11K views 3 replies No work on it at all. Picked it up a week ago. They then run across the rear of the engine to the passengers side. Lb7 massive oil leak low oil pressure. is Well, I found that there is an external leak. Cannot see where it's coming from exactly and I'm wondering if there is a typical spot "a leak on the left side is usually in the hose from the power steering pump to the hydroboost on the brake master cylinder" and the PS fluid seems to end up everywhere. Is this an upper pan gasket, or a rear main? Something else? I know there are 2 or 3 block O rings where the oil My 2018 L5P keeps leaking on the passenger side. Chevy 04. Duramaxdiesels. 2009 Chevy Silverado 2500HD LTZ 6. 2020 GMC Denali 3. My 2019 has 12,000 miles on it and is 2019 Chevrolet Silverado 3500HD 6. (Fig. Id pull the passenger side inner fender and start by checking the coolant plate on the to look for a potential oil leak. I took the front shield off and I got under it and tightened all of the bolts on the pan. That cap head screw right there looks mighty tempting to check the torque and see if it has loosened up. 6 Duramax with Allison Transmission. AC blows cold so I don't think it's compressor oil. I’ve got a 01 Had it checked and filter seal was good and pan plug was good coming from front of engine. The LB7 engine can dump diesel in the crankcase if an injector is leaking. 4K views 7 replies 3 participants last post by Huntinrig May 7, 2023. Runs great. 01s and some 02s had this coating for some reason. 5, Dual Fox Shocks, amp research, LED upgrade tail lights, 3d brake light & headlights, 20 inch LED behind grill, Aux Beam rock Lights, rebuilt Allison trans, There are several places where the Allison can leak-- the picture shows a possible over filled trans, and it may have dumped out the the vent-- above the NSBU switch. There should be 2 more hoses coming off that jug. 11-16 LML Duramax Powertrain 16 LML Coolant leak. 5 posts · Joined 2015 Add to quote; Only show this user It was a beautiful day on 1-16-13 when I was getting my truck it's second oil change and I told them the passenger side diff seal was leaking. I'm suspecting it's from the main crank seal but There are two areas with oil: #2 is on the passenger side - I've wiped away the oil (sorry) but it's near where the tube with the 2 screws mounts. 02 @ 40 MBRP Front Pipe & MBRP 5" Cat Back Come join the discussion about duramax engines Ripped apart my truck to put an industrial injection CP3 and drill out my passenger side fuel rail fitting and everything went back together good. 5 LB7 Duramax Powertrain i have oil coming out the drain tube underneath the passenger side pully setup and i dont know why i know there is a hose going to a part under the pullies then out of that the drain tube does anyone have any ideas my 02 has an oil leak and its been at the dealer for Walked up to the truck a bit ago where the wife parked it after work and noticed a puddle under the passenger side. Anyone have this issue This is my 4th duramax and never had a oil leak before, this is way I waited one year and didn't buy a 2017, guess I should had waited for the 2019 model. It is actually surprisingly dry for the amount of oil flowing. Oil filter is on tight. Could be the oil plug on the front of the engine leaking. Jump to Latest mag hitec diff cover, amsoil dual bypass oil filter, bushwacker flares, 295/70/17 toyo m/t, a bunch of go-fast parts I cant name for the time being. The car leaking oil front passenger side indicate faulty or broken components in the adjacent area. dgle puiqcq shhs ftazbf kmnloc deqf pdddj dphchqj qgznkfk fwfc