replacing timing belt or chain

1999 GMC SIERRA
V8 • 2WD • AUTOMATIC
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ARS3056
  • MEMBER
  • 2 POSTS
when should i replace the timing belt or timing chain on a 1999 gmc sierra 8 cylinder 5.3 liter engine?
Nov 25, 2010 at 7:07 PM
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GMTECH
  • ✓Experienced Mechanic
  • 537 POSTS
How often do you change you oil? If you keep up a good maintenance schedule, I would honestly leave it alone. It has a chain and it will last a very long time. You don't have a zero clearance engine so even if it broke you would have no issues. I would only change it if you have some chain noise.
Nov 25, 2010 at 7:16 PM
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