Question about 2003 Pontiac Grand Am

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2003 Grand Am. The AC isn't blowing cold air. I added refrigerant. It isn't blowing hot air, just not cold. It sort of seems like it is just blowing in the air off of the engine, but I don't know a lot about cars

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Pre 1996 cars have r-12 refrigerant. If you used the r-134 on your 1993 grand am, get your car to an authorized ac repairshop immediately.

Posted on Jul 10, 2009

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1 Answer

Why won't my Mercury Grand Marquis's AC blow cold air? We asked them to replace the old Refrigerant, but instead they put in anew EATC, Alternator, Fan, and Battery.


faulty install take it back
system may have a leak .
O ring or pipe connection not tight enough
not enough gas added

was tx valve replaced or the newer inline variant of a tx valve

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Heating and air


My first thought was low coolant, but with the added point about the ac I'm leaning toward a blend door problem under the dash.

Feb 27, 2014 | 2007 Suzuki Grand Vitara

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Ac blows hot


A car's air conditioning system is very technical and has many parts that could be contributing to a malfunction. The solution could be as simple as adding more refrigerant to your A/C system in order to recharge it. On the other hand, there may not even be a problem with the A/C itself, but there could be a problem with the radiator and coolant system. Having the ability to effectively troubleshoot why your car A/C system is not working properly can save you hundreds of dollars that would be spent on a mechanic if you are able to fix the problem yourself.
Access J2534 has the function for air condition, such as Diagnosis of cooling electronic,
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Aug 13, 2012 | 2003 Ford Taurus

1 Answer

If my compressor wheel isn't spinning how do I know if it is the compressor or the ac clutch? System is charged but ac is blowing hot air


The question is: why isn't the compressor clutch turning

The compressor isn't likely seized,it may leak refrigerant,
but won't be what your asking.

The clutch can be jumped to test that

If okey, then you have to diagnose the entire
A/C Electrical System

How do you know it is properly charged,you put
refrigerant gauges on the system?

Jun 27, 2012 | 2006 Kia Sorento

1 Answer

I have a V70- 2000- about 2 years ago my AC lights flashed and the AC would not work, had the motor replaced. Now my AC blows cold air, never very strong but in the afternoon, when the temp outside is...


sounds like you have a leak concern if they are adding freon

however, it also sounds like a restriction in the system and/or a defective TXV

do you have pressure gauges... this is the only way to diagnose an a/c system without just throwing parts at the concern

Sep 22, 2010 | 1999 Volvo S70

1 Answer

My 2002 Expedition air conditioner will sometimes blow hot air and others cold air


I would check the following possibilities:
1. Is compressor clutch working? - You need to do this when the ac is blowing hot air only - locate compressor drive pulley on engine - rubber belt wraps around it. Start engine and set to max ac. When the ac is blowing hot air, look at the center of the compressor drive pulley using a good flash light - watch it for a while, it should be spinning with the pulley - this means the compressor is engaged. If not, the compressor is not engaged. If your ac is blowing hot air, then the compressor should be engaged and running (trying to cool). If it is not engaged, then your compressor clutch is probably going out. Could be low voltage to clutch, but more likely the clutch is worn out and only working some of the time. Note: if working normally, the compressor clutch will engage and disengage in cycles- but the air should always be cold. If clutch is bad, compressor would need to be replaced (sold as one unit). This is tricky to diagnose and could take some time - you need to do it when ac is blowing hot air but set to max cooling.

2. Low on refrigerant or refrigerant has moisture in it? If your ac blows cold initially after being off for a while, then heats up, and continues to regularly cycle back and forth between hot and cool air, then the system may be low on refrigerant or the refrigerant may have moisture in it that is freezing and restricting refrigerant flow. An a/c shop can check refrigerant level and even replace refrigerant if moisture is suspected.

Could be other issues, but I would start with these.

Good luck

May 07, 2010 | 1999 Ford Expedition

2 Answers

2003 Ford Explorer XLT Air Conditioning vents blow hot and cold


It sounds like the control motor switching from hot to cold is stuck halfway in between the two temp settings. You will have to take it down and replace it, it is mounted under dash passenger side near the blower motor.

Sep 09, 2009 | 1996 Ford Explorer

1 Answer

AC doesn't blow cold air, but refrigerant levels


The low side pressure seems ok the high side would help,Is your compressor cycling and is the air coming out even slightly cool?slight over charge cold effect cooling ability.I wish I could be more help. I will have to think about this one.maybe you could make sure your temp.door is actually in the commanded cold position.

Aug 25, 2009 | 2003 Pontiac Vibe

1 Answer

A/C air sometimes cold, sometimes not on VW Beetle 2001 Turbo


AC will not work with temps are cold even when it is turned on. The air is colder cause the temp is colder. The AC cycles in hot weather because the AC charge is low and needs recharging. You will know this if you open the hood run the AC and you will hear the clicking sound of the AC compressor magnetic clutch. You can recharge it easily buy buying a compatible can of refrigerant. I suggest buying the kit with the gage so you don't overcharge the system which will cause freeze ups

Jul 03, 2009 | 2001 Volkswagen Beetle

1 Answer

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.

Jun 02, 2009 | 2000 Pontiac Grand Prix

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