SEPENTINE BELT

  • Tiny
  • davecincy
  • 1999 GMC Suburban
  • V8
  • 4WD
  • automatic
  • 133 miles

How to change a serpentine belt on 1999 GMC suburban

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Sunday, November 14th, 2010 AT 5:14 PM

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  • Tiny
  • JDL
  • Expert
  • 16,289 posts

There should be a belt tensioner. Once you release tension, you take belt off pulley. The tensioner may have a square cutout, for a rachet drive or breaker-over.

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Sunday, November 14th, 2010 AT 5:26 PM
  • Tiny
  • davecincy
  • Member

The tensioner has a nut in the center. Do I loosen the nut? It looks like the nut holds the tension on

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Sunday, November 14th, 2010 AT 5:52 PM
  • Tiny
  • JDL
  • Expert
  • 16,289 posts

Sorry for the late reply, if there is a cut-out in the tensioner arm, view diagram, use the cut-out with rachet drive, maybe a 1/2 inch drive?

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Tuesday, December 28th, 2010 AT 6:06 PM

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