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S10 2.2 lifter noise?



 
 
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Old January 7th 06, 09:05 PM posted to alt.autos.gm,rec.autos.tech
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Default S10 2.2 lifter noise?

I had previously posted last year on the problems i had with my
96 2.2 Chevy S10. To recap, the tensioner on the cam chain broke
and allowed the chain to jump time. I took the head off and found
8 bent valves. I had the head into a machine shop, had it cleaned,
decked, and 8 new valves and seals put in it. I had someone else
put the head back on at the time. The truck started and ran OK
after all this.

Now, here's my issue. At About 3000 RPM+ or so i hear what appears to be
lifter noise from the engine. I cannot really detect
it at lower RPM's. And i can raise the throttle in park to this point
and hear the noise also.

So, my question now is what this noise could be? I did not remember
hearing it before all this happened. My thoughts are maybe:
A lifter mount not properly screwed down? Bent push rods maybe?
I know this engine had piston slap issues and i heard them before
this happened. But it really does not seem to be the same noise.
Any thoughts? What would be the result of a bent push rod?


Bob




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