Question about 2001 Cadillac DeVille

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Ac not working. clutch isn't turning but has power at both fuses can jump the compressor to get it to run but the car doesn't get cold. 2001 cadillac deville 4.6 ltr northstar.

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Have the compressor relay checked next

Posted on May 24, 2011

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1 Answer

I have a 95 chevy cheyenne. My ac pump doesn't


Have you checked to see if the system has enough freon ?
If the system is low or empty the low pressure switch will prevent power from going to the compressor clutch.

Aug 29, 2013 | Cars & Trucks

1 Answer

Sentra AC


There's a 10amp fuse that powers the ac clutch relay and compressor. There are 15amp fuses that power the blower motor and the ac control switch. All of those fuses get power from the key switch. The resistor and fan switch provide the ground circuit for the blower motor.
I would want to know if those fuses are getting power, and if the control panel is working. You should be able to ground the blower motor and make it run on high, and that should not have any effect on if the ac compressor is running or not.
It could be a key switch problem in that the circuit is not strong enough to handle the load from the blower and the compressor at the same time.

Jun 21, 2013 | Cars & Trucks

1 Answer

Help 2008 ford fusion heater and ac stopped working


1) TEST the fuse+ relar of a/c
see the next steps and fix it. God bless you
If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing apart the HVAC unit -- about an 8 to 10 hour job!).
If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). If the compressor works when you jump it, and the A/C blows cold air, the system contains refrigerant and the fault is likely a bad A/C compressor clutch relay or a bad clutch cycling switch or pressure switch.
If the compressor does not engage when you jump it, the problem is a bad compressor clutch.
If the clutch engages but the compressor does not turn (the belt will start to slip and squeal), the compressor is locked up and you need a new compressor.
If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged

10_5_2012_12_00_24_pm.jpg

Oct 05, 2012 | 2008 Ford Fusion

1 Answer

Ac vent blower


proceed according and fix it. God bless you
If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing apart the HVAC unit -- about an 8 to 10 hour job!).
If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). If the compressor works when you jump it, and the A/C blows cold air, the system contains refrigerant and the fault is likely a bad A/C compressor clutch relay or a bad clutch cycling switch or pressure switch.
If the compressor does not engage when you jump it, the problem is a bad compressor clutch.
If the clutch engages but the compressor does not turn (the belt will start to slip and squeal), the compressor is locked up and you need a new compressor.
If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged

10_5_2012_12_14_20_pm.jpg

Oct 05, 2012 | 2001 Oldsmobile Aurora

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

Ac not working


Might be your AC clutch isn't kicking in(actuating).OR you might not have enough refrigerant in the system to tell the low-pressure cut-off to actuate the clutch.
Staying clear of the engine with any loose clothing, look down at the AC compressor while someone starts the engine and turns the dial from OFF to MAX air and you should be able to see the pulley end of the compressor grab and start pumping.
If it doesn't,it could need more refrigerant,but more likely it is a blown AC fuse or circuit breaker.There is sometimes a row of relays in a box in the engine compartment.They occasionally need replaced just like a fuse. don-ohio (:^)

Nov 09, 2011 | Cars & Trucks

1 Answer

Kia rio 2002 air conditioning problems, Hi, currently my air conditioning just doesn't start at all, it was working properly and suddenly witout a warning it' just stopped working. It does not work...


If the AC compressor is kicking in and out then you are probably low on freon. If the Compressor isn't kicking in at all then the problem could be a fuse or relay in the Power distribution box or the fuse in the interior of the car. If the fuse and relays are good then the problem could be a bad clutch on the compressor or a bad compressor itself. If the compressor is kicking in and out then get a freon refill can from Walmart or an Auto parts store and add freon to the system until the compressor kicks in continuously.

Sep 28, 2011 | 2002 Kia Rio

1 Answer

Ac was running when driving to the store, stopped to gas car then on the way out turned on ac no air coming out and the ac light does not turn on. i checked the fuses all are working but no power running...


Most likely the AC compressor clutch isn't engaged. This happens when the refrigerant pressure switch doesn't detect pressure in the coolant lines. The cause is usually a refrigerant leak.

This way the AC compressor is protected from running dry and possible damage.

Let your local repairshop check AC line pressure - if no pressure, look for the leak first then refill with fresh refrigerant.

Jul 01, 2011 | 2006 Scion xB

1 Answer

Airconditioning system blowing hot


Find the AC compressor. The pulley on it has an electric clutch that allows the compressor to run when the AC is on and not when it is off. With the engine running you should be able to see if the clutch is turning or not. The pulley turns all the time the engine is running only the clutch behind the pulley starts and stops. Look at the pulley with the AC off. Have someone turn it on and see if the clutch engages to turn the compressor. If it doesn't engage there are a couple thing that could be wrong. First the clutch has burned out and no longer works. The fuse on the AC clutch is blown. Check the fuse. More likely, if the cold air has been getting warmer, the AC system has a refrigerant leak. The system has a low pressure switch that prevents the clutch from engaging when the refrigerant pressure is too low. If the fuse is good then you need to have a qualified AC Technician check the system.

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Gaker

Jun 29, 2011 | Chevrolet Chevy Cars & Trucks

3 Answers

AC blows hot air and compressor does not turn on. Can the AC relay switch be tested or bypassed to see if the compressor turns on?


yes, if you can figure out which terminal is what, you will be able to jump. Be carefull dont send 12v up the wrong wire or you will fry computer. I would pull relay out and jump at the compressor pigtail, its much safer, and the car dosn't need to be running, all your checking anyways is that the clutch is working which should give a click sound every time you tag 12volts.

May 20, 2011 | 1999 Chevrolet Cavalier

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