help me.. my heat only blows on the windshield.. is this the blower motor resistor??? or do I need something else aswell..... Thanks guys before hand..
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01-31-2010
help me.. my heat only blows on the windshield.. is this the blower motor resistor??? or do I need something else aswell..... Thanks guys before hand..
01-31-2010
probably your vacuum line to run your climate control, which runs across the firewall to the engine. If it becomes unhooked then it won't select anymore
01-31-2010
whoah thanks for the quick reply yo.. so by any chance would you have some suggestive remedies?? can i fix this myself with my limited knowledge... or is this a biggie that only a pro can take on??
01-31-2010
well can I HOOK this back up?
02-01-2010
if that is indeed the problem, yes. it is as simple as that.
02-02-2010
The default setting is defrost on the windshield. It is either a vacuum issue, or if you have electronic climate controls, the mode door actuator is bad.
To fix, you need a vacuum gauge and strat checking vacuum under the hood, the line running into the car and inside the car. Next check all the actuators, temp, mode and recirc.
If you have electronic climate controls, you need to replace the actuator, which is found in the dash board. Search the site for blend door, ot temp door, and a write up will come up.
I wish it were the resistor, but it is not, that is for the blower fan speeds only.
Last edited by toolguy; 02-02-2010 at 07:14 AM.
02-02-2010
thanks guys.. so i guess imma start with checking to see if the vacuum thing is unhooked...
Anyone MIND letting me know or where I can find a write up on how to get to me vacuum line?/?/?
also i just replaced my water heater.. could I had accidentally unhooked it then??? if so is it near the water pump
thanks bros
Last edited by nateberry; 02-02-2010 at 08:23 PM.
02-03-2010
The main vacuum line is behind the intake manifold, on top of the engine. It is also near where the large rubber brake booster hose comes out of, and goes to the master brake cylinder. It comes off of it, and then runs along the firewall until it gets to the passenger side. Then it bends and goes down near the battery. It is a hard black plastic line. If you start looking near the battery and work backwards, that might be easier for you. Or look along the fire wall for it and trace it both ways, to the battery and then to the engine. I do not know of a wrirte up to lead you to.
This line goes into the car, through the passenger side. If you remove the glove box, you will see it inside the car then.
02-03-2010
If it has been broken inside the wiring harness you can route a new line by the automatic shifter passthrough like i did, bypassing the vacume reserve.
02-03-2010
There is a vac line down by the passengers feet near the console its purple i believe. See if its unhooked from a nipple. IF thats all cool its a blend door actuator and not fun to replace. I've done the passengers side on my car.
I can get you instructions if needed.
02-06-2010
I have kind of similar issues...the car heats as normal, and the fans work normally. I have the digital DCC on mine and my issue is that it will not blow warm air to the feet on either side. It will however switch from the defrost to the vents. I have no other issues but it will not switch down to the floor vents on either side...ideas? I would normally say blend door actuator, but if this is the case both of them would need replacement? And if this is true, wouldnt it not move at all? Any ideas anyone?
02-07-2010
u guys have been huge help.. I will try to see what I can get done... I will report back... AND THANKS FOR ALL THE COMMENTS AND HELP... this GP community is the BOMB!!!!
02-07-2010
mine did the same thing a couple of months ago. Mine was that vaccum line like pitman said earlier. It has a coupler in it between the pass. shock tower and the firewall. Mine was just pulled apart.
02-07-2010
yours did the same thing as mine or the same thing as the OP?Originally Posted by IROC
02-09-2010
I have the same problem, and it sucks when I have to drive it in the cold. Feet freeze and seems there is nothing I can do. I even replaced my DDC and that didn't help. For some reason I always thought the carpet got unhooks or something.
02-09-2010
same thing as yours
02-10-2010
welll...,either a vacuum line came unhooked or broke, or you have two blend doors that are bad...from what I have gathered anyway.
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