How To Change The Thermostat on 2003 Buick Lesabre

White 2003 Buick Lesabre Right Front View How To Change The Thermostat on 2003 Buick Lesabre

I’m trying to change the thermostat on the my 2003 Buick Lesabre custom. I try to put it on multiple times but it is still leaking. What can be do differently?

Answer: Well, I put them on all the time and don’t have problems with them. Make sure that you clean the housing off really well with a scraper, and be careful not to gouge the housing. Then put the gasket on and torque to specs.

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