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Timing Chain and crank seal change
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CarGuru > Toyota > Timing Chain and crank seal change 15 April 2005 20:55:33

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Timing Chain and crank seal change

Tom T 15 April 2005 05:58:11
 My R22 engine in my 1986 truck has about 160,00 mile on it and has been
flawless but now it is starting to throw some oil around the engine
compartment and on the ground around the front of the engine if I let it sit
and run awhile. I am thinking it is the front seal and that this my be a
good time to change the timing chain and associated worn components.

If this sounds like a good idea to any of you then I would like to pick you
brains on what I should check, look for, change and any tricks that may be
helpful for a "first timer" to know before embarking on this project. I
have worked on old VW flat fours for years but this Toyota is new to me.
I'm sure some of you have neat little tid-bits of information that will make
the job easier than if I just tackle it alone. Any help will be much
appreciated.

Tom


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Richard Santmier via CarKB.com 15 April 2005 15:15:30 permanent link ]
 Having worked on VW boxers you are talking a direct gear drive versus a
timing chain, two totally different beasts.

I just sold an 87 4x4 with a 22r and it had 178k on the clock. I owned it
since new. The oil was always changed between 3k and 5k miles. It didn't
leak or burn. The reason I mention this because a few years back I spoke
to two local Toyota dealers about changing the timing chain. They said as
long as the oil is changed regularly with a quality oil and filter and the
engine is not abused by overrevving the timing chains last "nearly forever"
as one shop told me.

So depending on what the maintenance history is is what determines your
action. If it's maintenance history is questionable and you are going to
change out the front main seal anyway, change the chain while you're in
there. It's cheaper in the long run. Since I've never changed a 22R chain
I suggest you buy a Chilton's service manual and follow their advise. They
give tips a factory service manual doesn't.
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CarGuru > Toyota > Timing Chain and crank seal change 15 April 2005 20:55:33

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