Suburban sounds like a tractor HELP!
05-24-2007, 10:43 PM
#1
Suburban sounds like a tractor HELP!
Ok so when I turn on the suburban now it sounds like it has a diesel engine. its a loud knocking sound.
After 5 minuts of warm up the sound is gone. So it only happens on cold engine. Its a 1999 suburban with 87k miles.
I first thought it was the belt and replaced it.
After 5 minuts of warm up the sound is gone. So it only happens on cold engine. Its a 1999 suburban with 87k miles.
I first thought it was the belt and replaced it.
05-25-2007, 01:26 AM
#2
Three Wheelin'
It is called Piston Slap. Check this thread:
http://www.pistonslap.com/whatisit.htm
http://www.pistonslap.com/whatisit.htm
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