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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

Oil leak Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting CL New User Jul 4, 2007, 2:52 PM Post #1 of 4 (1801 views) Oil leak Sign In I have a 1989 Chevy silverado 4 x 4 with an oil leak that I believe to be coming from the rear main seal. Any advice on how to repair this? Tom Greenleaf Ultimate Carjunky / Moderator Jul 5, 2007, 12:36 PM Post #2 of 4 (1797 views) Re: Oil leak Sign In You should verify that it is coming from the rear main seal. Clean the area and look for new leaking to rule out if it is coming from somewhere else. Most all rear main seals will drip some with some miles and age. Techs may dissagree on this job but I believe the only way to control a problem leak for a loooong time will be to fully check out the crankshaft and have it in spec as just a slight bit of bearing wear allows the shaft to beat back the seal and will leak again in short order. There were some tricks to chase out and old and push/pull a new one thru but I don't recall a lot of success without working the crankshaft. How fast is this leak? T CL New User Jul 5, 2007, 12:58 PM Post #3 of 4 (1794 views) Re: Oil leak Sign In It is a pretty steady drip when the engine is hot. I looked underneath the truck to see if I could definitely tell where is was coming from, but not much luck. It appears to be more to the driver side of the engine versus the center......but I am not positive. I did notice a build up of new oil at the part of the block that the oil filter mounts to. Don`t think it is coming from the filter though. No oil at the filter threads. Tom Greenleaf Ultimate Carjunky / Moderator Jul 5, 2007, 6:23 PM Post #4 of 4 (1788 views) Re: Oil leak Sign In Hmmm? Perhaps this isn't the rear main seal at all. Problems can be at the oil filter or sending unit for oil pressure which should be nearby. I suggest you really clean the entire area and look for the highest and farthest forward that gets oily again as the source. It would be a shame to tear into this and not know the source. It really sounds like it could be something else. Keep in mind about all rear mains will have some oil around them when older. I don't hear of too many problems with these anymore but that could just be my own experience. You know what they say -- "measure twice, cut once" T   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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