Question about 2005 Pontiac Grand Am
Filled coolant expansion tank.
If you changed any parts in your cooling system, you probably have an air pocket in your system that will need to be bled out. This is why cold at heater. If you did not change any parts in your cooling system, and you are filling system with antifreeze, then you have a leak somewhere. Have you noticed any anti freeze under your car? Look under front of car below radiator, under water pump side of car, check for visible leaks hoses under hood. Only you know for sure what's happening on your end. GOOD LUCK FRIEND.
Posted on Nov 24, 2014
There are many reasons that this may be happening. #1 Heater core may be plugged up. #2 Blend door actuator motor may be bad. #3 Thermastat in coolant system may be stuck open causing the engine to never fully warm up, thus causing your heat to never warm up.
Posted on Nov 24, 2014
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Posted on Jan 02, 2017
SOURCE: car overheating
you have to change your Heater Core. Your Antifreeze moves in a circular motion from Radiator to Thermostat through engine to your heater core back to your radiator. If there is no circulation, your engine is going to overheat. I had the same problem with my Pontiac Grand Prix.
Posted on Nov 23, 2008
Okay. warm up vehicle, get radiator hoses hot. Turn on heater, fan on low. Grip both rubber heater hoses close to the firewall, from the engine compartment side. They should be too hot to hold for long. If they are not hot, then you have a lack of coolant circulation to the heater hoses. If they are hot then access heater core, behind glove box area. Blend door which moves as you chose HOT or Cold, should be cable controlled, move the controls and be sure the door is actually moving. Keep me posted
Posted on Dec 17, 2008
You may just need an engine thermostat!
The hose coming off the coolant surge tank doesn't attach to anything! Yes they all just pour the boiling fluid onto the road!
If you think you got a raw deal....go right to the dealer you bought it from and if they laugh...
Click on the following link and do a little investigation....What happened to you is just not right!
What state are you in? Different States have different laws! Check google.com for your States "Lemon Law Used Cars Your State".
Did you get a written warranty? It may not matter!
Get back if you need more help!
Tuesday 02-24-2009 8:58am EST (USA)
Posted on Feb 24, 2009
also check to see if tube that runs your climate door is not pinched or broken. the vaccum tube that runs the climate door is behind and under the battery. i had same problem a year ago and the tube was partially cut. i fixed it by cuttinga piece of aquarium tubing and spliced it back together. one other thing.....check to see if your radiator over flow cap is tight. your cap maybe bad and or cracked this would also cause the problem.
Posted on Jan 29, 2010
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