Question about 1991 Toyota 4Runner

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OIL LEAK LEAKS AFTER IT HEATS FROM THE REAR OF THE MOTOR

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  • Toyota Master
  • 20,706 Answers

Can be many ways.
get it clean and find it
or use UV dye kit and find it.

Valve cover gasket.
some versions (engines) have a Dizzy, it can leak.
no engine option stated? so can not be specific.
there are not that many gaskets in a water cooled engine, for oil.
3 or 4 seals, crank and cams.
pan gasket
valve cover gaskets love to leak because it is ignored.
and some 0-rings on some engines.
ive seen heads replaces and the mech didnt read the sealant steps
in the FSM for cam caps. etc.
do you have and A/T or M/T transmission?????????????
the A/T leaks, red ATF fluid, is it red?
the M/T can leak 90w, gear oil, is it very think and stinky"
the engine oil will match the dip stick oil, at tip does it?
and smell the same, (smell, look, and feel) use all 3 to discover
what it is.

why not ask any mech to find it, he can fast.
or learn to ID the oil type first.
and learn how to find leaks, (look)

Posted on Feb 22, 2014

  • _-__-___-_
    _-__-___-_ Feb 22, 2014

    nobody ever posts engine opion, nor tranny, so can help, but my car has clutch inspecton caver and can see behind fly wheel to see if main is leaking or the the trans front seal leaks. easy. but no facts yet from you.

  • _-__-___-_
    _-__-___-_ Feb 22, 2014

    engine option so CAN"T help no tranny options, SAME. cant , no one can.

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Could be quite costly. Especially the rear main seal on the engine. You have to take the trans out to even get to it. I would look for something else with less problems to buy.

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You need to have your seal replaced. I would recommend installing new bearing while you're at it. Check here: http://www.autozone.com/autozone/catalog/parts/partsShelf.jsp?displayName=Differential+Seal+-+Rear&currentPage=1&categoryDisplayName=Drivetrain&navValue=11201715&itemId=1715-0&parentId=12-0

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most ikely a valve cover gasket. have it checked by the dealer asap otherwise it's possible a fire may start if the oil gets on the manifold or exhaust.

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