Question about 2002 Suzuki XL-7

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A/C Defroster I recently lost my A/C and need to disconnect the compressor so I can us my defroster without killing the engine when it tries to engage the A/C compressor. Where do I find the compressor to do this for my Suzski XL-7 Grand Vatara?

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Easier than finding compressor.  Find the A/c pressure switch and disconnect.  This will be a two or three prong switch on an A/C line running towards the interior of the vehicle, typically on the passenger side of the engine compartment

Posted on Dec 17, 2008

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It has 2 aluminum lines (1 large, 1 small) coming from it, it is on the front area of the engine driven by the belt, there is no need to disconnect it, no harm will occurr..

Posted on Dec 17, 2008

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The a/c compressor don' kick off it stays on all the time


Make sure you have the windshield defroster off , the cars computer turns the AC on to dehumidify the windshield as it blows in order to speed the defrosting of the inside glass.
If you have made sure the defroster is not selected on the climate control center , you may try a few other things to determine where your problem lies...
With the vehicle turned off , key out of the ignition , open the hood and unclip the small white plastic plug off of the compressor ( the electric clutch actuator plug). Start the car and see if the clutch is still engaged ...
If it is engaged , you have a locked up clutch on your compressor.

If the clutch disengages when unpluged ,turn the engine off and plug the clutch back in.
I would next determine whether or not the relay in the fuse block is malfunctioning..

The A/C system is more complicated than a switch and a power source .. When you push the button in the car to turn the AC on (or have the defroster on), a signal is sent to the PCM module , routed thru a pressure sensor on the AC coolant line (which has a 5v reference voltage) , back to the PCM where it is determined by the pressure of the coolant (freon) how fast the condensor fans will run , and a relay in the fuse block actuates , sending a 12v signal to the clutch on the compressor.


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When defroster (either settings) is engaged, there is a brief squealing sound from engine & the RPM's decrease for couple seconds & engine sounds like it is going to stall. Then the RPM's increase...


Can you find the wire going to the compresssor? often the a/c pump will be run to assist the de-frost and this will be seperate to the fused system you disabled. The likely problem is that at some time something had caused the gas and oil to exit the a/c system and when recharged the oil was not replaced. I have had a good result with de-gassing the system and introducing the correct amount of ester oil and re-charge , once the oil gets round the seized pump frees off. If you disconnect the single wire going to the elctromagnetic clutch and disconnect it.

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