Question about 1993 Chevrolet Corvette

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1993 corvette electronic a/c-compressor won't come on

The system is full of freon and worked good until a week ago when the clutch stopped engaging. At the same time the light above the auto button started flashing. Does this mean I need a new control module?

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There is a way to retrive the diagnostic codes in the A/C system by holding 2 buttons at the same time on the panel. I did this many years ago to solve a problem on my '92 Roadster. I got the info from corvetteforum.com Post your problem at corvetteforum.com. There are many experts there that will help.

Posted on Feb 21, 2009

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1 Answer

A/c compressor stopped cooling,clutch is engaged,is it possible to have too much freon in the unit,,


The system needs to be vacuumed down with a recovery machine and the proper amount of oil and freon added to ensure proper operation. The system most likely has air/moisture within it and will not function properly. Have it proffessionally serviced for adequate operation

Jul 05, 2015 | 1993 Mercury Villager

1 Answer

Will no freon prevent me from adding freon if the compressor wont engage without it


Sort of.
If the system is empty, you would need to jumper the low pressure switch to power the ac clutch to put the first can or two of freon in.
Keep in mind the system is supposed to be vacuumed out before adding freon, so if it is full of air you won't be able to put the full amount of gas in.

Sep 28, 2012 | 1999 GMC Suburban

1 Answer

Arcondition blows hot air, freon in the blue and clutch on compressor engage


Make sure your blend door is closing all the way and that the actuator actually works.

Aug 23, 2012 | Cars & Trucks

1 Answer

My 2003 vw jetta ac clutch wont engage. you can hear the car idle up as if the ac has engaged but then within in 2 seconds its stops at this time when it idles up i get a 12v signal at the compressor


IS THE SYSTEM FULL OF FREON? IF ITS LOW THE A/C CLUTCH WILL NOT ENGAGE. ITS KIND OF LIKE A FAIL-SAFE FOR THE SYSTEM. IF THE FREON IS FULL AND YOU HAVE 12V TO THE COMPRESSOR I WOULD CHECK OUT THE CYCLING SWITCH ALSO.

Jun 29, 2012 | Cars & Trucks

2 Answers

Ac won't get cold anymore power to compressor but won't click on clutch won't engage possible problems are compressor or evaporator what do you think?


Has the Freon been checked with a gauge to see if there is enough Freon to allow the system to work. Low or no Freon will not allow the compressor to engage. The low pressure switch is most likely activated due to low freon, and will cause this condition.

Aug 19, 2011 | 2001 Jeep Grand Cherokee

1 Answer

Compressor will not engage



Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 30 to 38 psi..

May 29, 2010 | 2006 GMC Envoy

1 Answer

Have a 2000 vw bug a/c blowing hot air bought a home kit to fill it and when i put the gauge on it spun the needle all the way around. need to know what that means


Check to see if A/C clutch is engaging. If it is not engaging, the compressor is not starting which will prevent the freon from being sucked into the system.

Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.

If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Probably means a significant leak.

The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.

The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch.

However, if it is empty the leak must be repaired.

The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.

The system should be filled until suction pressure is about 36 psi.

May 27, 2010 | 2000 Volkswagen Beetle

2 Answers

Air condition is not cooling my honday civic lx 96? I bougth a freon's cane and hook it up but the freon doesn't get transfer into the car?what I am missing?


you need to put a pressure gauge on the freon input nozzle and see how much freon is already in your system You are probably getting no cooling because the clutch on the front of the A/C compressor is broken, or the switch on the dash is not opening the vents inside correctly. Putting more freon into an already full system can have unpleasant results. So if when checking the gauge, the freon levels are ok, next, run the car, and look at the front of the A/C compressor.see if the clutch clicks in and out as the A/C is turned on/off. If the clutch free-spins all the time it needs to be replaced, or if its silent completely, the wiring to the A/C needs to be checked. If the clutch is ok, head under the dash ad listen for the vent doors opening and closing as you cycle the A/C on/off. If you can't hear them, a vacuum pipe or electrical connection/A/C switch is to blame.

May 26, 2010 | 2003 Honda Civic

2 Answers

AC not working


The A/C system has a pressure sensor that detects the freon level in the system. If you lost freon, the clutch that engages the compressor will not engage. A good indicator is to turn on the A/C and watch the compressor/clutch assembly. If the pulley is spinning and the clutch is not, odds are you have a freon leak. Good luck!!

Jan 20, 2010 | 1993 Chevrolet Corvette

2 Answers

1993 CORVETTE AC PROBLEM


Are you fully charged though? If you don't have a full charge the clutch will not kick in.

Aug 18, 2009 | 1993 Chevrolet Corvette

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