tappin

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Mar 9, 2008 | 09:41 PM

croaker

Thread Starter

Junior Member

Joined: Oct 2007

Posts: 13

tappin

My Sierra less than 70k has a tap sounds like a lifter on these cool mornings Oil change every 5k recommened oil weight Pennzoil brand I've heard other people having this problem any input or corrective actions?

Mar 10, 2008 | 05:28 AM

Argon

Senior Member

Joined: Feb 2007

Posts: 2,167

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RE: tappin

most likely its not a lifter,but carbon build up...we do not see any long term effects from it.

Mar 10, 2008 | 08:06 PM

croaker

Thread Starter

Junior Member

Joined: Oct 2007

Posts: 13

RE: tappin

Ok! I'll buy that , It is prone to short trips

Mar 11, 2008 | 06:04 AM

Argon

Senior Member

Joined: Feb 2007

Posts: 2,167

From:

RE: tappin

WE'VE CLEANED A FEW WITH TOP-ENGINE CLEANER AND HAD EM SHUT UP...BUT ITS RETURNED PRETTY QUICKLY.

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