TwinTurbo.NET: Nissan 300ZX forum - they can be replaced without removing the heads
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Subject they can be replaced without removing the heads
     
Posted by aliaZ on September 08, 2008 at 11:18 PM
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In Reply To Question about Replacing Valve.. posted by mikebonn on September 08, 2008 at 02:17 PM
     
Message with the proper tools

I think your shop is clueless...they severely under-quoted the job at 240 bucks.

They'll need to remove the timing belt, upper plenum and camshafts to get to the seals which is a hell of a lot more than 3 hours of labor.

If you're having problems with burning oil...valve stem seals would be the last item I would suspect on a turbo car. What are your symptoms? Are you sure this is the problem?

I replaced the valve seals on my 240sx without removing the head. I would get a puff of blue smoke after leaving a traffic light, which generally indicates valve stem seal failure.

     
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