When start up truck in the morning, I hear a.

Tiny
ANONYMOUS
  • 1995 FORD F-150
  • 100,000 MILES

When start up truck in the morning, I hear a noise that sounds like a bearing noise its not that noiceable through out the day, its noiceable at first start up in the morning

Wednesday, November 28th, 2012 AT 1:07 AM

1 Reply

Tiny
DRCRANKNWRENCH
  • EXPERT
  • 3,456 POSTS

If that is true it may be a wrist pin knock or piston skirt. The reason for this is the pistons are aluminum and have a different expansion rate and are loser when cold. Once warmer the tolerances are closer and don't make the noise.

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Wednesday, November 28th, 2012 AT 1:29 AM

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