Question about 1997 Toyota 4Runner

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If small oil leaking from rear main seal is the problem causing car to smoke, what is the reasonable rate for a shop to do repair & is the vehicle be safe to drive from California to Las Vegas NV?

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  • Bernadette Jan 26, 2013

    Not that clear info



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  • Toyota Master
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A lot cars leaking oil on manifold and came smoke,people drive .

Posted on Jan 24, 2013


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Posted on Jan 02, 2017

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SOURCE: oil leaking from rear main seal, how hard is this

Replacing the rear main seal is kind of a long one. It involves seperating the motor and trans. Depending if it is manual or auto,would weather you have to remove the flex plate (auto trans) or fly wheel (manual trans). Then of course there is removing the old seal, making sure it is free of burrs and putting the new one in, and reassembly.

Posted on Mar 28, 2009

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SOURCE: engine oil leak

Big job....
You have to drop the motor and tranny out as one unit. It comes out the bottom.
Once you have it out, it's pretty straight forward, seperate the two, change the seal, reassenble, put the power unit (motor and tranny) back into the car.

That's the simplified version of it, but that the overall idea of how you have to do it.
If you need additional information, please let me know.

Posted on Sep 07, 2008

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1992 es300 blue smoke from exhaust

The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. So best bet is to have a local repair shop inspect for internal oil leakage.

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How to handle major repair ..

I would trust the repair shop more than any dealer

I would install a reman short block & have them send the
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To have that much end play,something took out the thrust
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Check bulletins for that,both dealer & aftermarket

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Those shops are hard to find once we left the 1970's

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This is called the rear main oil seal or the torque converter seal depending on what type of fluid is leaking out. To replace either seal you must remove the transmission from the car. You will need special tools and skills to properly install the seals or they will leak in very short order again. I suggest you have a trusted shop or the dealer do this repair.

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Saw a small amount of oil on my garage floor (2004) Boxster took it in and was told that I need to replace the rear main seal as well as intermediate bearing - Total costs will be $4,000 the car has 26,500...

Well, there several ways that I know to handle this.
FIRST: Don't go back there.

If you only have 26,500 miles on a car that is now 7 years old, you are not using it very much.
I don't even consider your car as broken in.
The assertion that the car needs a new bearing in the engine sounds to me as though the technician had the apparition of the angel of money appear in front of him while working on your wallet (I mean Porsche).

SECOND: The usage on your car is so low that, if you took it on a trip, the leak might very well
stop completely, on it's own.

THIRD: There is an excellent bottle of leak stopper sold at Walmart that handles rear main bearing seals. It costs about $3,994.00 less then your previous estimate. I used it on a really serious front main bearing oil leak (usually this sort of product won't work well on front main bearings) on my 23 year Mercedes with 166,000 miles.
I hope this helps,
Best Regards,

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OIl leak in 2001 Grand Cherokee Laredo

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if smoke is coming from tailpipe, your piston rings might be going bad. that is an expensive repair, but switching to synthetic oil may give you several more years of life out of the piston rings, synthetic oil has a way of soaking into bad piston rings and temporarily making them like new again, unless they are already too far gone.

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Definently sounds like the rear main seal. My 97' Dodge Ram has the same issue and it leaks in the exact spot and has the same symptoms. Changing the gasket on the rear seal in simple but it's hard to get it apart to get to it unless you have the right tools and mechanic know-how. Your car seems to be leaking more than mine so it seems to be worst, but it is most definently the rear main seal. I put gasket maker/sealer on mine and it temperarely stopped the leak but due to pressure it will always seem to start again. Your best bet is saving the money or if you have it, invest it and go ahead and have the problem fixed. Hope I was of some help.

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