Question about 2000 Pontiac Grand Prix
When the fuse blows it causes these 3 codes to happen. Some times the fuse will last for a few weeks and other times it will blow right away.
i have an Idea. first of all make sure that all of your vents are not plugged up. next check your heating coils to find out if only one side is hot or the other is only cold. i need more info
Posted on Jun 30, 2008
I don't want to over step my knowledge but you car is only 3 or 4 years old. I don't think your heater core is bad, unless it is leaking, Sounds like you have a blend door problem in the HVAC system. This door is actuated by a servo motor switching from hot side to cold side. This little servo can go bad and need replacing. Just make sure you don't have any bubbles in the coolant system first as long as you havent done any thing with the coolant system you souldn't have any air in the system Hope this helps you. Please rate my solution for you thank you
Posted on Jan 19, 2009
SOURCE: ac vent problem
Damper/flap for driver's side is probably stuck. Try moving the selector from cold to hot several times. Also, move the recirc/outside air control if the previous doesn't work.
Posted on Jun 02, 2009
With regards to you a/c not blowing cold there are several faults that could cause this. Your compressor may not be working, they may be a restriction in your A/C lines, your compressor and/or evaporator may be clogged, you may have a leak, or i could be something as simple as fuse.
Posted on Jun 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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