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My 1990 jeep wrangler has a 4.2L has a oil leak comming from the timing chain cover where the shaft comes threw, is it a seal or something else?

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Posted on Jan 02, 2017

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johnjohn2
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SOURCE: 1988-1993 ford festiva leaking oil around the

This sounds like the crank seal, the engine doesnt have to be removed, in order to get to seal is like replacing the ttiming belt, and once in the timing belt i would replace the crank and cam seals, also do the timing belt, and maybe the waterpump, you will need to remove the crank pulley and then the timing covers then align timing marks for timing belt before ou remove it, with timing belt off the crank pulley then slides off the crankshaft and the seal is behind it, the cam shaft gear unbolts and the seal is behind the gear, once the gears are off then you will be able to remove the seals from the engine,heres a few diagrams to help. good luck and i hope this is helpful,60d826b.gifca916fa.gifcb2cb5a.gif

Posted on Oct 31, 2010

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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

    Nov 02, 2012 | Toyota Cars & Trucks

    1 Answer

    I recently bought my 17 yr old daughter a 1997 Wrangler sport. After a few days I noticed a small oil leak under the vehicle. I brought it to my mechanic who had to replace the rear oil seal. A few days...


    Mate.If its a six cyl, motor the rear seal wasn't done right.Its a 2 part seal and you have to remove the sump to do it. The mechanic doesn't want to admit a stuffup.The most common cause is not the correct sealer when the new seal is installed.It has to be slid around and in with the bearing cap removed.This is on a 6 cyl.Hope this helps

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    My 2000 jeep wrangler sport is leaking fluid just under my front differential. whats wrong?


    change the front pinion seal and check the axle seals for leakeage

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    it sounds as if you need to replace the seal stop by your local library and get your hands on a Haynes auto repair manual for yor jeep wish you the best of luck Michigan Man.

    Dec 27, 2009 | 1991 Jeep Wrangler

    1 Answer

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    your oils sending unit is leaking the part is not expensive,

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    1 Answer

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    Where are you seeing the oil leaking from? Remember that gravity will cause the oil to drop down. The wind will also cause the oil to blow back while you drive. Look for the forward most and top most areas that are covered with oil. Common leak areas are the front oil seal (oil will look like it's coming from the bell-housing. Another common leak is the shifter plate gasket, just below the shift lever. Oil will be found draining from this area. I have also seen shoddy mechanics use the wrong bolts to hold the rear housing onto the main housing of the transmission. If the bolts used are to short, oil will leak between the main housing and the tail-shaft housing. Charlie

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    1 Answer

    2002 Jeep Wrangler appears the rear of the oil pan gasket is leaking. How hard is it to change out and any tips/ 2001 jeep wrangler something leaking inside back wheel is it the rear seal


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    Apr 05, 2009 | 2001 Jeep Wrangler

    1 Answer

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    take the wheel off , unbolt caliper and sling it out of the way with a bungi cord, take off the rotor, then you have too take the pumpkin cover off the axel diff in the front (drain fluid first) easy way to do that take out bottom and side bolts out then leave top 1 or 2 in but finger loose. pry cover off with a sturdy scrapper from side allowing fluid to leak out from bottom of cover. when fluid is done comeing out then take off cover. to take the axel out to replace the seal you have to push the axel inwards to remove the C- CLIP on the end of the axel shaft that slides into the inside of the pinion gear (use a extending magnet) keeps gear oil on your hands and from dropping it into the pumpkin housing. then all you have to do is slide the axel shaft out. then replace the seal .

    Jul 01, 2008 | 1990 Jeep Wrangler

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