Thermostat replacement

2005 BUICK LA CROSSE
85,345 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
STUZZ 66
  • MEMBER
  • 1 POST
how to change a thermostat in a 2005 Buick Lacrosse with a 3.8 V6 engine
Jan 24, 2011 at 8:24 PM
Advertisement
Avatar
RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
You must start by draining the coolant from the engine, Here is a guide and a diagram to help you get the thermostat replaced.

https://www.2carpros.com/articles/replace-thermostat


Please let us know happens so it will help others.



Images (Click to enlarge)
Attached Media
Attached Media
Jan 24, 2011 at 8:28 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.