1999 GMC Suburban timing chain

Tiny
MACKLAREN
  • MEMBER
  • 1999 GMC SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 145,346 MILES
When to chainge the timing chain I own a 1999
gmc suburban with 145346 miles
Friday, January 2nd, 2009 AT 11:39 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

There is no set time to replace the timing chain, what you lay when you turn the crank a bit (remove the plugs first) backwards and forward, there is no tensioner so with excessive play the valve timing will be out a tittle as well, you should replace the chain and both gears as well, they will be sold as a set.

Mark (mhpautos)
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Saturday, January 3rd, 2009 AT 3:03 AM

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