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duramax oil leak from bellhousing

 
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Are there drips from the bell housing? Thoroughly check the service pan, because the most common leaks are due to the pan gaskets. Oct 26 2016, 6:10pm. what is this and how do I fix it? Show More. Dec 23 2012, 1:39am. Bill Carriveau OFFICIAL POO … Here is a short video of my 2015 3500 GMC with 15830 miles that has been in for oil leaking between motor and transmission for now a 5th time. This housing has the speed sensor boss on the casting. There was a little residue on the bell housing too, but very little. Answered in 2 hours by: 6/5/2008. Any suggestions on any other areas that I could have a small leak from? This housing has the speed sensor boss on the casting. Step 5. Birmingham, Alabama (USA) - 2011 SL550 Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD 1 the cooler gasket is leaking or 2 the hose to the egr cooler is leaking. Dec 5, 2008 1,282 0 0 34 Arvada, CO. Jul 4, 2011 #2 that is the same area that the little hole in the valley will drain, have you checked down there? Step 4. My guess is the hose but anything is possible. Additional Options (RPOs) Equipped with 6.6L Diesel … I wonder why they didn't noticed that a few months ago when they were tracking down the leak. I've never once seen a duramax rear main leak, but that's not to say it can't happen. I cleaned these areas and reinspected about a week later. Mine were definitely coming from the left rear area of the oil pan. from the bottom of the head up the motor is spotless. Re: Fluid leak between engine and tranny . Re: Fluid leak between engine and tranny. There is also a threaded hole next to the leaking hole but I believe that this hole is for mounting a skid plate. 2003 chevy 6.6 duramax dieselI have a really bad oil leak when I turn truck on. My 04 duramax is leaking from the bell housing. Ask Your Own Chevy Question. May 14, 2015 #2 Have it inspected through the square hole in the driver side of the bell housing. These conditions may be due to cooling system leaks or an improper coolant fill procedure. If it's been leaking over a period of time, there will be accumulated fluid and dirt over the transmission. What are the chances of this being the problem? delong_1 << my work. Wipe the transmission clean with an old rag to make it easier to pinpoint where the leak is. Show Less. I am thinking (hoping) that it is just the pan gasket and not the rear main. 2017 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) may display a Driver Information Center low coolant message or may show coolant consumption or a coolant leak. Both filters pulled trans replaced front seal and gasket changed spin. this is on the LBZ by the way. but the only place it is dripping fluid from is the weep hole on the transmission bell-housing... No wet areas on the sides of the block anywhere! I noticed an oil leak under the truck yesterday. After researching on multiple forums, it could be the rear oil pan (relatively easy fix), or the rear main up inside the bell housing between the motor and tranny (not an easy fix). It is pouring down from the back of motor appears to be under turbo. Re: Oil on starter bolts. 11,486 satisfied customers. PCV Valve Replacement. I have a 2005 Duramax I have a very small coolant leak from the cover plate on the rt rear back side of the engine. Another possibility is the oil cooler (next to the filter housing) leaking and running down in that area. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. 2005 LLY Banks six gun w/speed loader, Banks 4 Inch Exhaust,Banks Ram Air Intake,Dynafact EGT & Boost guages,EGR blocked,PCV rerouted,Leer CP100 contactor's cap,265 Goodyear Wrangler Silent Armors, Bilstien 5100's,T Bars slightly cranked,LBZ mouthpiece I have a 03 duramax 3500 and have a oil leak or something looks like oil coming out of inspection hole of bell housing and it does it after its ran for a little bit and when I turn engine off u can set and watch it come out and it's a pretty good puddle any help would be greatly appreciated. Is the flywheel or flexplate oily? Some college and advanced training. Hotchkis sway bars on the … Chevy Mechanic: John, Master … I only started leaked after my local Chevy dealer did a Flush and fill. 700 miles ago we had a severe leak at the bell housing, repaired at Orr Chevrolet in Searcy, AR. Is the oil pan gasket leaking? Right above the oil filter towards the topside of the motor. 2015 with 23,000 miles making a mess out of my driveway. Show Less. So I started looking for other causes and found that it very rarely the rear oil seal that goes and never that quickly. Just normal driving one day to and from work. Ask Your Own Chevy Question. This is a genuine Allison OEM Bellhousing for the 01-07 LB7, LLY, & LBZ Duramax pickups. Lead Auto Tech. Subject: 6.6L Duramax Possible Oil Leak Path Information Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Silverado 2017 2018 L5P, L5D All Silverado 2500/3500 2019 2020 GMC Sierra 2017 2018 Sierra 2500/3500 2019 2020 Involved Region or Country North America, Middle East, Israel, South America and Thailand. Or have I damaged the seal? This is very frustrating. I have seen the rear plate leak, and have done a few re-seals. Duramax 6600 6.6L V8 Diesel; Forum main. Replacing a PCV valve on most vehicles does not require tools, though pliers can make the job easier. Maybe the oil pan gasket? I also checked the valve cover and checked in the inspection port on the bell housing and did not see any oil anywhere. Would an Intake gasket leak and let a little out that way? When diagnosing these conditions, be sure to complete the coolant system leak checks in the … Actually it's the first thing I look at when I buy a l5p motor. Ok i've got an oil leak on the driver side. leaks down and covers the bottom front part of the bellhousing. Usually if the rear main is leaking it should drain out the center weep hole in the bottom of the bell housing. Since rear main seal leaks are uncommon on most vehicles it’s very possible that you’ve got another leak higher up on the motor that is dripping down and just looks like a rear main seal leak. Aug 12, 2006 15,385 54 48 Disneyland, CA. FAQ; Oil Leaks Pan and Main Seal. I cant see where. Mike L. Got Sheep? We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. any ideas? The symptom is a leak from the front of the transmission of ATF. You really need to get a good look into the engine valley and make sure the injection pump or turbo oil lines aren't leaking before you carry on, I've seen those get confused with rear plate leaks. Not great video but i do capture it at end. Share this conversation . I used both a mirror and inspection camera. It looks like the line is leaking, but unsure if that's all it is. They removed trans, replaced … read more. I belive it is the plate that transfers coolant form on head to another. It is important to note that not all instances of coolant loss on these engines is the result of head gasket failure. 14,261 Posts #2 • Dec 28, 2009. I took turbo cover off. Oil Leaks Pan and Main Seal . Couldnt find it so used my video camera. I've got a small oil leak coming from the bottom of the bellhousing on my 82 fj60. Oil leaking through bell housing... Jump to Latest Follow 1 - 13 of 13 Posts ... 2010 Suburban K2500 Duramax powered 96 K2500 Suburban Peninsular Diesel 6.5TD 3.73 gears, Heath Remote PMD, Heath Heavy Duty Lift Pump, Banks 3" downpipe, BD 4" exhaust, JK headlight booster kit, Heath HP4 PCM, manual glow plug switch, vacuum pump eliminated. I haven't wanted to remove the starter to check but that's my next option. Category: Chevy. There is a little plastic or rubber cap that is in the center of the bottom of the bellhousing that is leaking oil. Cant see oil feed or drain lines to see where it is coming from. Rear main seals are a pretty common source of leaks on these engines. Dec 23 2012, 8:17pm. You don't know how many trucks I've seen leaking on the showroom floor. Engine Coolant Loss on 2002-2016 GM 6.6L Duramax Diesel Engines The AERA Technical Committee offers the following information on engine coolant loss on 2002-2016 GM 6.6L Duramax diesel engines. Clogged PCV valves may make an engine run poorly, decrease gas mileage and increase vehicle emissions. Share this conversation. Leak by fire wall at back of engine. It was leaking oil from the middle of the turbo between the two turbines , where the oill feed and oil return lones are . Oil comes down both sides and down of bell housing. Show More . If so, replace the gasket and transmission filter. Looks like oil is coming from pan or line block off beside filter and down bell housing best I can tell. Vendor/Sponsor . This pressure can cause a number of problems for the engine, including an oil leak, particularly at the valve pan gasket. My son's 2002 ECSB LB7 developed a slight leak a week or so ago so we decided to pull the trans and correct the leak. This is quite common on 2001-2003 LB7 Duramax equipped trucks. nothing around that is wet. Yep I thought it may be leaking down from the valley area, head gasket, coolant hose, etc. Submitted: 12 years ago. Not sure exactly where it's coming from. Out of the last 14 years, 3 PowerStrokes, a 2010 GMC Yukon Denali XL, a 2012 GMC Denali 2500 HD Duramax I never had any stains in the driveway till … ZZDaryl. literally pouring out of that area.unsure if it was a crackwed pipe or blown turbo. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. The ATF leaks from the small inspection hole located just in front of the spin on filter. Mar 24 2020, 2:47pm. Doesn't look like a the turbo drain tube. Just installed a built trans from a well known shop and it's leaking fluid from the bell housing. can oil leak from the head gasket right there at the rear of the block? I am looking at @$1000-1200 in labor to fix it. NOTE: If you have a 2001-2002 , you need to also purchase: Transmission Cooler Line Adapter Fittings 88996640 listed above. first one I bought leaked all the way from Idaho to Oregon and a few others after that I seen leaking at the dealership but never became owner of one. Staff member. NOw it leaks about 1.5 quarts in 5 months. I had purchased a new front pump seal because I had … It may very well be the pan but can't tell because of oil drips on block and lower bell housing. A drop was hanging off the front of the transmission at the bell housing, and there are a handful of drops under the truck where it was parked. Transmissions problems with a 2003 GMC 2500 HD w/an Allison Transmission. Anyone had any problems with suncoast converters leaking. I crawled under and it seemed to be coming from the bell housing. I understand the o rings to the crossover may have been damaged while changing the head gasket.

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