Question about 2002 Chevrolet TrailBlazer
Sounds like your wrist pin knock. Get a second opinion! A wrist pin is, as has been said before, what
connects the piston to the connecting rod, and it is difficult to
diagnose. There are several other things that could cause a similar
noise, some are as expensive, others are less expensive. If the wrist
pin is going bad, letting it go un-repaired can turn your engine into
scrap metal, but in many cases, repairing a wrist pin is not cost
effective, because you can sometimes buy an entire new engine for the
same money. If you ever question what a mechanic tells you, go get a
second opinion! There are unscrupulous mechanics out there, and you
don't want to get ripped off.
Thank you for using fixya and good luck
Posted on Aug 06, 2010
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Posted on Jan 02, 2017
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