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Replacing thermostat

Tiny
DEDWARDS4
  • MEMBER
  • 2000 BUICK LESABRE
  • 6 CYL
  • AUTOMATIC
  • 180,000 MILES
How do I replace the thermostat in this car? Also I was told there is more then one how do I know what one I need if this is even true was not aware there were more then one in cars seems wrong to me, or is there another way around this see what is happened. My thermostat seems to be stuck open causing my car to overheat, but only while I am staying still when I start driving it cools down. Can someone help? Please!
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Monday, September 12th, 2016 AT 3:05 PM

2 Replies

Tiny
AL514
  • MECHANIC
  • 4,793 POSTS
Sounds like it may be only partially stuck open, it would not over heat if the thermostat was stuck open, it just would not reach operating temperature. Have you also checked the actual coolant level? Start with basic things, make sure the fans are coming on also while the car is at operating temp and at idle. Turn the air conditioner on, both fans should come on also.
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Monday, September 12th, 2016 AT 3:10 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Great answer Al :)

Please let us know what you find so it will help others.

Best, Ken
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Thursday, September 15th, 2016 AT 2:19 PM

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