1997 GMC Sierra heater

3,000 MILES • V8 • 4WD • AUTOMATIC
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BREEZEJAMES
  • MEMBER
  • 1 POST
my heater works but it dosent blow any heat out on any setting or speed
Feb 10, 2008 at 9:02 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
double check your coolant level in the radiator, if ok i would install new thermostat and blow out the heater core. this should take care of it.
Feb 10, 2008 at 9:51 AM
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