What temperature thermostat

GMC YUKON
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HAMPSTER
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I am installing a new thermostat in a 1992 GMC Suburban. There are 3 choices - 160, 180, 195 degrees. Which one should be used? I am changing it because I believe it is stuck open. It takes forever to heat up.
Jan 25, 2006 at 10:25 AM
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SC1 RACING
  • ✓ASE Certified Mechanic
  • 117 POSTS
  • ASE Certified Mechanic
i always go with the 195. but ive ran the 180 too. could not tell any differance in operating temp in summer, but in winter the 180 was to low. temp always stayed between 160-170 in the winter.
Jan 25, 2006 at 12:38 PM
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HAMPSTER
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Thanks for the info.
Jan 25, 2006 at 1:40 PM
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