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Timing chain

Tiny
BOB19;7
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 333,000 MILES
This is the third timing chain I have replaced on this truck. The first two went flawlessly. Also, replaced CSP sensor, all four oxygen sensors and air idle sensor. Truck ran fine prior to change now runs extremely rough. Suggestions?
Saturday, November 5th, 2016 AT 6:24 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hey Bob,

This sounds like you may have bent a valve, lets do a compression check to see if there are any low cylinders.

Here is a guide to help

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let us know what you find so it will help others.

Best, Ken

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Monday, November 7th, 2016 AT 10:16 AM

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