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Ticking at Startup

Tiny
CHEVYTRUCK03
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 92,000 MILES
Each time the car is started, for 15-20 seconds a ticking noise is present and then goes away. The noise seems to be coming from under the hood. What is causing it and how to repair?
Thursday, April 21st, 2011 AT 6:05 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like valve lifters leakdown problem goes away when engine comes up to operating temperature
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Thursday, April 21st, 2011 AT 7:54 AM
Tiny
CHEVYTRUCK03
  • MEMBER
  • 8 POSTS
What is a valve lifters leakdown problem and how is it repaired?
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Thursday, April 21st, 2011 AT 4:38 PM

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