2001 Chevy Tahoe Motor knocks loudly

2001 CHEVROLET TAHOE
13,900 MILES • V8 • 4WD • AUTOMATIC
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TRPTEG
  • MEMBER
  • 1 POST
It seems that my Tahoe isn't getting enough oil to the lifters or something. The motor knocks loudly for a few miles and then runs great. The gauge will bounce back n forth will it continues to knock. Any ideas on how to fix the problem?
Aug 24, 2009 at 3:17 PM
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there,

I would be thinking that the oil pressure relief valve may be sticky, so the first thing to try is to add a good quality engine flush and get the oil up to normal operating temp, and then do a service with the filter, this may help clean out any muck that may be affecting the valve, start here first.

mark (mhpautos)
Aug 24, 2009 at 5:20 PM
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