Question about 2003 Chevrolet Impala

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2003 hvac blowas hot air and compressor wont come

2003 impala- AC / Heater problems
Three are two problems that occured at the same time Temeratute controls on dash are in the hot mode and cant be changed also the AC compressor won't engage when the AC control is pushed. fuses have been cheched

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You havea broken cable to the vent blend motor or a bad vachum motor.

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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2003 Ford Windstar AC is not working. It only blows out hot air. The blend door act. works properly(We have already tested it). There are properly freon in the Vehicle. We are at a lost. Please help


Can you tell if compressor clutch is engaged? If clutch isn't engaged only the belt pulley will be moving and the compressor clutch is not engaged. If not engaged, no ac.

Can you check for applicable hvac codes? To check codes, your-self, at the least, you need an obd2 code reader, that will check manufacturer specific codes as well as po.

I haven't looked at your wiring, you could probably check voltage and ground for compressor, hvac on.6158ef87-8677-4b29-952a-e287698970b5.jpg
In the diagram, you see applicable fuses--clutch relay-- the top wire at ac clutch is voltage--black wire is ground.

Jun 22, 2016 | 2003 Ford Windstar

4 Answers

Air Con


no the pipes should not be cold and wet but if you just have stop using the aircon recently it will do that for a while till all the gas is out of the system so yes its sorta normal

Oct 02, 2008 | 2001 Chrysler PT Cruiser

1 Answer

Heater system


There are three fuses involved, all of which are in the fuse box in the dash.
15amp radio hvac powers the control module on the dash.
10amp hvac also powers the module.
30amp high blower fuse powers the blower motor only.
Check your owners manual for details.

Jan 25, 2014 | 2003 Chevrolet Impala

1 Answer

Air conditioning problem


Air Conditioning problem
2004 Chevrolet Impala



Ac is not blowing out cold air. You have to put gages on the system and it shows its has freon.Checked all fuses and relays. The two fans in engingine compartment do not come on when the ac is turned on but does when the engine gets hot. The compressor engages when turned on also.
If the magnetic clutch engages the compressor and still no cold air could be still low in freon or the HVAC unit.

Blower motor not working all the time...if I bang the dash near the glove box, it comes on then works great. Is this the switch assembly, the resistor problem, or should I be replacing the blower motor?


Jun 04, 2013 | 2004 Chevrolet Impala

2 Answers

2003 Cadillac CTS


If the AC compressor was working full time including when the heat was on in the winter, this would certainly cut short the life span of the compressor. Usually, the compressor won't come on unless climate control is calling for AC. If this was the case, the issue is more likely the climate control itself, either a sensor or the whole unit. Should have been caught when you had it diagnosed in the winter if this was when you had it in the shop. Hope this answers your question. Best of luck.
Greg

May 26, 2009 | 2003 Cadillac CTS

2 Answers

Ac blows hot air ac compressor is ice cold but the vents blow hot air when enige is hot. bloows cold air when engine is cold


check your air diverter doors, sounds like the door for heat is open, when a/c is selected the doors should move and close the heater off. the heater will over power the a/c. the door controller is located on the environmental station under the dash neat to the floor. the control is electronic and probably not functioning

Mar 20, 2009 | 2003 Ford Explorer

3 Answers

Recharge AC on my Chevy Impala 2003


You need to follow the ac lines from the ac compressor to the ac condensor to the fire wall behind the engine where it goes to the heater box.There are two connections,both at differant locations,a low side that has a screw on red or blue cap with the letter L on it and a high side with a cap that has the letter H on it.The refridgerant goes into the low side.Hope this helps.

Mar 10, 2009 | 2003 Chevrolet Impala

2 Answers

2003 Impala leaks


There could be water filling in the HVAC intake located in front of the winshield. The drains may be clogged and not releasing rain water. Unfortunately the only way to resolve this problem is removing the entire dashboard and accessing the inner core of the HVAC system.

Nov 27, 2008 | 2003 Chevrolet Impala

1 Answer

Air conditioner intermittently (sp?) blows hot air when I am driving. Not consistant with acceleration or turns and just had the freon drained and recharged.


Had the same problem and brought it in and they said it was a problem with the heater control. They said I can replace the hvac control assembly and to get one from a salvage yard. They also said just twist the temp control nob back and forth a couple times till the ac works until i get it

Aug 11, 2008 | 2003 Toyota Highlander

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