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GM 3.8L engine ticking noise (balance shaft?)

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Jun 23, 2008, 12:10 PM

Post #1 of 2 (3441 views)
GM 3.8L engine ticking noise (balance shaft?) Sign In

I have a 1995 Buick LeSabre with a 3800 engine with 117,000 miles. Lately it has developed an engine ticking noise. A mechanic listened and gave a preliminary diagnosis of a balance shaft problem. A more thorough examination would be necessary to determine the actual problem. Are balance shafts a common problem with these engines? How involved is a replacement? Will engine be damaged if this component is defective and not replaced? Engine has always been serviced regularly and I am the original owner. I do plan to keep this car as it runs great and looks fantastic. Any comments about the ticking noise?

Tom Greenleaf
Ultimate Carjunky / Moderator
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Jun 23, 2008, 6:46 PM

Post #2 of 2 (3437 views)
Re: GM 3.8L engine ticking noise (balance shaft?) Sign In

That's a full kit for teardown of whole engine. I didn't see anything named "balance shaft" anywhere I looked - don't think this uses something like that.

Ticking noises are more associated with lifters either sludged, lack of lubrication, worn cam lobe(s) - things not that likely if you know the history and good care from new.

This really needs a hands/ears on closer inspection...........

Long retired now

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