temp will not get above second notch past 100 degrees then will go back down to just above 100, very little heat coming from heater after warming.

10

Asked by Jan 08, 2011 at 11:46 AM about the 1990 Pontiac Grand Am

Question type: Maintenance & Repair

After running the motor for a while in the morning the temp will be just above 100 with some heat coming from the heater ( although not much at all) After traveling about 7 to 10 mile down the road there is very little heat detected at all. Temp gauge will go maybe to the second notch above 100 but quickly down to the first notch then travels between 100 and the first notch passed 100. From what Ive been able to find this car should heat to 195. How much dose this cool temp affect the heater out put and what can I do to fix this problem. Already did a back flush of heater core but not much difference at all in heater out put. Pontiac Grand AM 2.5

3 Answers

3,695

Possibly someone replaced the thermostat with one that opens at a lower coolant temperature.

1 of 1 people found this helpful.
4,915

Sounds like a thermostat going bad to me. Cheap part and easy to replace - it is where I would start to get the heat flowing again.

2 of 2 people found this helpful.
7,375

replace that thermostat quick too! if u let it run like that too long it could mess up the cat.

Your Answer

Add photo

Related Questions

Grand Am

Looking for a Used Grand Am in your area?

CarGurus has 1,124 nationwide Grand Am listings starting at $1,000.

ZIP:

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,710
#2 John Saffrahn
John Saffrahn
Reputation 1,600
#3 Tom Demyan
Tom Demyan
Reputation 1,460
View All

Related Models For Sale

Used Pontiac Grand Prix
26 Great Deals out of 2,812 listings starting at $1,995
Used Pontiac Firebird
13 Great Deals out of 756 listings starting at $3,490
Used Ford Mustang
697 Great Deals out of 44,970 listings starting at $750
Used Chevrolet Camaro
349 Great Deals out of 31,219 listings starting at $2,500
Used Pontiac Bonneville
3 Great Deals out of 536 listings starting at $1,799
Used Honda Civic
863 Great Deals out of 85,136 listings starting at $500
Used Toyota Camry
1,200 Great Deals out of 84,712 listings starting at $750
Used Chevrolet Cavalier
4 Great Deals out of 982 listings starting at $695

Used Cars For Sale

2004 Pontiac Grand Am For Sale
263 listings starting at $1,599

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.