Pontiac Grand Am Overheating
Asked by GuruTWJP3 Jun 19, 2018 at 07:09 AM about the 2004 Pontiac Grand Am GT
Question type: Maintenance & Repair
The normal temperature my vehicle runs at when
heated after a while is around 200, sometimes a bit
over that and recently it has been heating way
quicker and overheating completely and I don’t
want to crack the engine or completely mess up the
car, even tho I have recently put coolant and
checked other fluids does anyone else relate to this
or have any solutions that may help because I am
currently without a car till fixed
3 Answers
It may be related to your cooling fan or fans (do you have one or two?). Either or both may not be getting a signal to turn on. If it is both, there is typically a fuse on a circuit directly hooked to a battery lead that blows causing no power to get to the fans. Also, there is a temp sensor that sends the "turn on" signal to that circuit that may not be functioning. If not these things, try remotely powering the fan(s) by hooking them to a 12 v circuit to see if they run. If all of this checks out, your water pump may not be functioning or your thermostat could be stuck closed. All possibilities (and I am sure others can add a few more) to be the cause of what you are seeing.
Squirrely_McShitty answered 6 years ago
I have a 2005, and mine tends to go hot because of a fan issue I have yet to determine. While it doesn't go as hot as yours, perhaps, it goes to 220-225. However, if your fans are failing to come on in the normal course of things but are indeed operational, try turning the A/C on. The fans then turn on and will run as long as the A/C remains on. Worth a try...
Turning on the AC will only energize the primary fan, not both. The temp has to rise to the set point your car sees through a sensor for the second fan to turn on.
