2000 Chevy Silverado

2000 CHEVROLET SILVERADO
103,000 MILES • V8 • 2WD • AUTOMATIC
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TAPPAN1
  • MEMBER
  • 1 POST
5.3 engine, on a cold start sounds like a lifter clicking but quits after a few minutes. been doing this for about two years. Use penzoil 10-w30 and change regularly. Engine runs fine. Please help




Mike Tappan
Oct 3, 2010 at 2:02 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The only way to be sure is to check if there is a loose lifter when it is cold. Steel expands when it gets hot, so that could cause the sound to go away.

Also, often times a slight exhaust leak can cause a tick when the engine is cold. Check the exhaust manifolds for leaks. You may want to use a stethoscope to see if you can hear exactly where the noise is coming from before taking things apart.

Let me know if you have other questions.

Joe
Oct 5, 2010 at 12:00 AM
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