how do i replace thermostat on pontiac grand am 2000

Asked by Jul 02, 2013 at 12:35 AM

Question type: Maintenance & Repair

car overheating, fan was not working until i unplugged engine temp sensor, want to replace thermostat but can only get to one bolt.

2 Answers


That bottom bolt is a bear. Here is a video that might help....

27 of 27 people found this helpful.

soon as the temp sensor gets unplugged it goes into closed loop... the fans will run continuously. Get yourself a gear wrench 13MM helps alot in removal and install. also remember almost all of the 3.4L pontiacs have an open slot in the bottom of the thermostat housing so the bolt does NOT need to be full removed!

Your Answer

Add photo

Related Questions


Search Maintenance & Repair Questions

Maintenance & Repair Experts

#1 Tom Demyan
Tom Demyan
Reputation 171,460
#2 dandyoun
Reputation 92,450
#3 tenspeed
Reputation 74,610
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.