2001 GMC Jimmy when

2001 GMC JIMMY
105,000 MILES • 6 CYL • 4WD • AUTOMATIC
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AARON47933
  • MEMBER
  • 1 POST
when you turn the heaer on it doesn't warm up, i have to drive it for a little while then the gauge light comes on, it goes back to normal setting on the gauges then the heater will work, i believe it's the thermostate and if so how do i go about replacing it myself
Dec 1, 2008 at 1:09 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Drain antifreez follow top radiator hose to engine and thermostat is in that housing. Unbolt clean gasket replace and fill.
Dec 1, 2008 at 3:32 PM
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