1991 Chevy Astro Thermostat

1991 CHEVROLET ASTRO
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CLB8372
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Engine Cooling problem
1991 Chevy Astro Two Wheel Drive Automatic

Where is the thermostat located and how do I change it out?
Apr 24, 2009 at 4:58 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Follow the upper radiator hose to the engine. It will end at the t-stat housing. Drain the radiator, remove the hose, remove the thermostat housing, pay attention to how the thermostat is positioned and remove it clean the old gasket material, replace the new thermostat facing the same direction, and reverse the procedure.
May 10, 2009 at 1:04 PM
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