2001 Pontiac Grand Am SE "1999 cold temp" Questions

...cold air but temp. guage never goes above 225 first check and see if you have flow through the heater core start the car and get to operating temp. then grab the heater hoses they should both be hot ...

temp. is normal but blowing cold air thru vents the heater core is going out. or the thremastat is sticking

cold air when i have the heat on sometimes, when it does this the temp guage goes fromm 200 to 260 in couple seconds and. Car stalls out i let it sit for 1 min n restart and and guage goes baco to 200

...hose the air gets cold inside car and car motor temp goes up over 140 can anyone help? change the upper hose and if thats no good change your radiater it maybe no good with this car it happens ...

...cold air comes on, could it be the thermostat or ?? I have the same prob with my 99 grand am....The temp is just in the middle not overheaing...I checked the antifreeze level and filled it but ...

...Try waiting 15 secinds after turning he key on and crank with no throttle. The coolant temp sensor should enrich the fuel on cold starts. This serves as a choke like in the old cars. Good

...core once the vehicle has reached operating temp. if one is hot and the other cold or just warm heater core may be plugged and may need to be flushed or replace. Also make sure system is purged of ...

cold air comes on, could it be the thermostat or ?? The 3400 is notorious of the head gaskets blowing. this may not be in your case. Check the level of the coolant. Their may be air in the heater core

...temp.. goes up and down and not heat comes out unless the car is just sitting and running .. when i drive the heat goes away and only blows cold air..help sounds like you have a thermostat that has ...

...cold air and never gets warm, also my temp gauge shows temperature rising the longer that it runs. What could be the problem? My car is a 1999 Pontiac Grand Am Thermostat is stuck closed. Install new ...