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1998 Chevrolet Lumina Change Thermostat Heats Drops Back Normal Got Home Looked

1998 CHEVROLET LUMINA
68,000 MILES
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ANONYMOUS
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  • 1 POST
how do I change the thermostat? It heats up then drops back to normal when I got home I looked and the hoses were all sucked in and the fluid was all in the overflow.
Feb 27, 2013 at 11:56 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Greetings

Partially drain the coolant then remove the throttle body air inlet duct. Remove the air pipe and loosen the clamp from the tstat housing. Disconnect the radiator hose from the housing. Remove the housing bolts and pull out the tstat housing and gasket. Remove the thermostat. Be sure to clean the mating surfaces prior to installation of the new tstat.
Jun 21, 2019 at 8:03 AM
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