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AC compressor doesn't engage - 2006 Isuzu Ascender 7-Passenger

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Hi, i have a 1994

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Posted on Jul 02, 2011

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1 Answer

Air Conditioner Compressor Clutch Problem


If you did not use a vacuum pump from a dry system them the system will not work.

Jul 04, 2017 | 2002 Chrysler PT Cruiser

1 Answer

My a/c compressor is only blowing hot air when I turn it on. I know a little about cars so I know it's the a/c but I am not able to find one on any site that may sell used or new.


If all you get is hot air there are several possibilities. The compressor is driven by the serpentine belt and is engaged and disengaged by an electric clutch mounted on the compressor drive pulley. With the engine running, have an assistant turn on the AC while you observe the AC compressor clutch. If the clutch engages, you can be reasonably sure that the system has freon, and the electric circuit is OK. If the clutch doesn't engage, which is the most likely situation, either you are low on freon, the AC clutch relay is inop, or AC compressor fuse is open (blown). A search of Google images will give you the location of the AC relay. You can pull out the relay, carefully remove the cover, reinsert the relay, and engage the compressor clutch by manually closing the relay contacts. Warning: do this only for a second or two in order to see the clutch engage. If the clutch does engage, then you are probably low on freon. There is a safety switch that prevents the clutch from operating if there is not enough freon in the system. Hopefully, this is the case. Go to Walmart and get two cans of r-134 and the inexpensive kit, and following their instructions, charge your system. If this is not the problem, you'll need a set of AC gauges and the skill to use them. Hope this helps. Dano

Aug 31, 2011 | 1998 Lexus Gs 400

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

1 Answer

'98 Olds Intrigue, AC not working. It has a full charge of 134a and the compressor runs when the switch is pushed. The only odd thing is that the little orange light on the AC dash switch doesn't...


Check the fuses.

It is strange that the compressor engages when the button is on, but the light does not work.

Does cold air blow out the vents? If so, the light may have burned out...

Jun 09, 2011 | 1998 Oldsmobile Intrigue

2 Answers

Ac doesn/t blow cold air


There could be a leak in your a/c system. Does your a/c compressor engage when the a/c is turned on? To check, locate the compressor, its a big cylinder on the serpentine belt, you should see the wheel engage(spin) and disengage(stop) when the a/c is activated. If it doesn't move, then your compressor is bad. If it does move, then there is a leak in the system that will need to be repaired.

The AC compressor looks like this:
http://www.partsgeek.com/gbproducts/MC/2226-07026167.html?utm_source=google&utm_medium=ff&utm_term=1991-1993+Jeep+Cherokee+A%2FC+Compressor+Four+Seasons+57632+91-93+Jeep+A%2FC+Compressor+1992&utm_content=MC&utm_campaign=PartsGeek+Google+Base&fp=pp

May 04, 2011 | 1993 Jeep Grand Cherokee

2 Answers

AC Compressor not engaging on 2000 Chevy Impala. Fuses and AC relay okay. No power at compressor. Need wiring diagram. Also need to know if compressor requires 12v for operation. If not what should voltage...


When your R-134a runs too low it will NOT engage the compressor. You need to refill your a/c system before the clutch will engage, I also suggest finding the leak.

Apr 20, 2010 | 2000 Chevrolet Impala

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