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Used car advice engine is knocking when cold

Tiny
DOUG A.
  • MEMBER
  • 2002 CHEVROLET S-10
  • 142,000 MILES
Chevrolet s10 pickup 2.2 litre engine 142,000 miles engine knock sound for a few seconds then quiet on cold mornings first start. No engine knock sound at all on warmer weather starts. Is this a common item in the 2.2 litre chevy eng? Seller says engine makes short duration knocking noise (a few seconds) then is quiet. This happens on cold 32 degrees or less mornings. Never makes noise on warmer temp days.
Is this a common problem or forget it and move on?
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Monday, December 12th, 2011 AT 1:51 AM

3 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
It could be no big deal. But it could be a big deal. Have him change the oil and use a 10-40 or 10-30. Where does the knock come from? Top? Bottom?
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Monday, December 12th, 2011 AT 2:09 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
After the oil/filter changed. If its on top end-its probably a lifter leakdown problem
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Monday, December 12th, 2011 AT 4:32 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Yep. Not a big deal.
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Monday, December 12th, 2011 AT 4:54 AM

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