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Rear seal leaking oil, how to replace - 1988 Dodge B250

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SOURCE: 1993 Dodge Stealth Oil leak 3.0 SOHC

there are seals behind the timing cover.when they leak oil drips down and out.my 93 base model leaks oil and coolant from this same place.

Posted on Jun 08, 2009

Molson02536
  • 3854 Answers

SOURCE: front seal on rear end is leaking how hard is

Not hard to do. You need to remove the drive shaft, to get to the nut that holds the rear yoke from the differential. Once the rear yoke has been removed, you can replace the O ring seal from the differential by using a screw driver to pry out the old seal. Try not to damage it to much so you can use it to help tap in the new seal. Once the seal is out place the new seal in place by hand and then place the old old seal on it and tap in the new seal with a small hammer. Take care to ensure that the new seal goes in straight and place some grease on the seal before you place the yoke back in to place. Tighten up the yoke nut and you may want to replace the U joint at this time too since it's off the truck. Once everything it back together, check the differential oil level and top off. Good luck and hope this helps, you can get the parts at Auto Zone and they can also give you the step by step instructions to getting the job done with common tools. The hardest part that i can see you having is the removal of the yoke nut, the job takes about an hour to do so if your going to have a garage to the job the most would be 1.5 hours but should take them about 30 min to do. 

Posted on Aug 31, 2009

  • 2926 Answers

SOURCE: I have a front and rear oil seal leaks. I lost a

I'm sorry to say no. If the seals are leaking, there is no other way to stop them from leaking unless you replace them. Unfortunately, this is a big job and requires a lot of disassembly, not to mention labor costs. If your thinking about adding the seal fix additives sold in the auto stores, forget it. They do more harm than good.

Posted on Feb 07, 2010

  • 340 Answers

SOURCE: i just bought an 89 eagle vista gt, 2 wh drive,

you have to remove the motor / or trans which ever is easyer while your at it change the transmission seal if it is an automatic seal is a pump seal you ca get both at autozone for about 4.00 each

Posted on Feb 25, 2010

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Instrructions on replacing a rear main seal on 2004 kia rio


Oil leaking "in" your valve cover? Where is the oil at/coming from? And, to answar your question, rear main seal is a real job! Requires removing transmission, flex plate/fly wheel! It is the crank shaft seal, on the "rear" of the engine!

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This may be from excessive pressure in the sump from blow-by from the compression process . It is from a blocked PCV valve that is not equalising that pressure. I have also known oil leaks to happen because the rear main bearing cap is leaking oil past the join around the bolts (loose) or no sealing compound used in assembling the rear main bearing.. I would look at the PCV valve as it is the cheapest test first.. Check that the oil is not coming from the front gear box seal or torque converter seal.

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Oil leak on driveway coming from front of engine


Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

  • The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.
  • External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.
  • Engine oil leaks at the distributor can be misdiagnosed as leaks from theintake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
  • If the oil filter casing shows signs of distortion from excessive oil pressure, theoil pump should be replaced.
  • Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
  • Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

  • I think it helps to analyse u r Problem

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    Oil leaking trans 1999 chevy S10 replaced torque converter seal leaks at front


    ou may need to remove the front pump and replace the seal on the pump and the converter seal as well

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    MY 2000 RODEO IS LEAKING OIL ON DA GROUND WHATS THE PROBLEM


    oil leaks can come from many things.like front timing cover crankshaft seal, rear main oil seal,with engine running look under car around oil pan area check see if you see heavy oil leak which will come from loose or damage oil filter and seal or check oil pressure sending unit at bottom right rear engine block or right rear corner of the oil pump.if oil leak small leak the front crankshaft seal and rear main seal leaking .

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    My rear oil seal went out


    The rear of the oil pan can in some cases leak into the bellhousing area, be picked up by the flexplate and thrown around. Also, make sure that your pcv system is working and that you are not building pressure in the crankcase. If you are building pressure, it can force the rear main oil seal to leak.
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    Oct 30, 2009 | 1991 Ford F150

    1 Answer

    Oil leaking in engine have replaced seal and O rings but still leaks. I am going to scream!


    ok, There are many areas that the oil could leak from. Head gasket, oil pan gasket, rear main seal, front seal, valve cover gasket. You'll need to locate the leak under the car in order to know which one to replace. There is nothing simple about replacing the rear main seal and although he front seal is easier it can still be a problem. Good Luck.

    Sep 04, 2009 | Ford Escort Cars & Trucks

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    Rear main seal leaks..does this affect transmission??


    A leaking rear main seal will not cause your transmission to leak.

    The transmission has its own seal and should not leak because of the engine rear main seal.

    Due to the labor involved in replacing the rear main seal on the engine, it is best if you replace the front transmission seal at the same time if possible.

    Installation varies on different vehicles but the principles are the same.

    Apr 15, 2009 | 1997 Oldsmobile Regency

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