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Re: Replacing valve stem seals
For any interested it was not that big of a deal to get to the seal if
you have the right/adequate tools. I just happened to have had a
medical type of twezzers that was perfect for pulling out the old
seals. No problem with damaging the bore walls. Just a tedious job
after removing timing belt and cams.
Best wishes to all and thanks for the support. BTW 50 PSI was just
right. Could have been a little higher as some of the keepers were a
little stuck but they came free.
Russ
On Fri, 29 Apr 2005 05:18:32 GMT, "Philip"
<1chip-state1@earthlink.n0t> wrote:
[color=blue]
>radarguy wrote:[color=green]
>> Hey guys, I need a recommendation. I'm replacing the valve stem seals
>> on a 92 Corolla 4A-FE twin cam engine without removing the head. I am
>> using a compressor to hold the valves closed. Question one is what
>> pressure is recommended? Question two is should I put each piston at
>> top dead center for each set of valves?
>> Thanks,
>> Russ[/color]
>
>Put the piston of the cylinder you're working on at TDC. Lock the
>crankshaft securely. Personally, I'd charge the cylinder with at least 50
>psi. But you have another problem. The valve spring compressor has to reach
>down into the lifter bore without damaging the bore walls in any way.
>Frankly, I'd pull the head in this case.
>[/color]
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