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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1 Answer

If the clutch / compressor relay is took out the compressor will not engage right and if I leave this fuse out will it affect the car in any way the ac does not work in the van so it don't matter right I...

AC and Heater Fan are the same so if you take out the fuse neither will work.
If Compressor is bad and you want to use the heater and DeFroster just unplug the Compressor wire from the compressor and you ought to be able to use the Heater & Defroster .

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When i turn on the windsheald defroster i hear a rattle in the engine

The ac compressor runs in defrost mode.
So the noise could be a belt tensioner or something involving the ac compressor pulley.

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Engine sqeals when front defogger is turned on.

sounds like the ac compressor may be locked up when defroster is turned on..there is a disconnect by the ac ompressor pulley that can be unplugged and the belt should turn free..defrost will work but need to check the compressor before its needed in summer..replace if needed..

Feb 10, 2013 | 2000 Dodge Intrepid

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Are you sure you don't mean defroster? With defroster on the A/C compressor runs and it will drag a engine down if defective. Disconnect the wire to the A/C compressor and see if it does it then.

Dec 20, 2011 | 2003 GMC Envoy

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Y is the aura using 1 gallon of gas in 6 miles

Most common reasons. Needs a tune up-spark plugs /wires/filter. Poor quality or low fuel grade, you should be using the 89 Octane not the 87 or the fuel is contaminated with something. Transmission being low on fluid will cause this to happen as the transmission has to work harder to shift when it is low that means more RPMS, More RPMS means More fuel less mileage. Incorrect tire pressure. You have the defroster running. For some reason most manufacturers in the 1990's started having the AC compressor engage when you select defrost. Only use Defrost when you absolutely have to or disconnect the AC Compressor control wires in the engine compartment.

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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.

Aug 01, 2010 | Ford Taurus Cars & Trucks

1 Answer

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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1 Answer

1999 Mitsubishi Eclipse Spyder A/C Only Blows Hot Air

I would take it back to whoever replaced the module however, if you want to check for the problem yourself, Look for the AC compressor. with the AC turned off have someone start the vehicle, while watching the AC compressor have the person in the vehicle turn the AC on. If the clutch engages then you have lost your freon charge and need to have the AC unit serviced. If it does not start turn the engine off and check all the wiring connections going to the AC compressor. If all the connections are good start the vehicle, and have the person in the vehicle turn the control to cold and turn on the defroster. If the AC clutch engages then you have a bad ECM module or mis-programmed ECM take it back to be Properly programmed and repaired. If the clutch does not engage it is possible the AC compressor is bad. Take the vehicle to the Mechanic to have teh AC system checked to see why it is not engaging.

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2 Answers

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The pressures of the refrigerant must be close or the system pressure sensors will not let the AC cluch pull in. AC is just not wise for DIY without some gauges and knowledge. Sorry.

Jun 29, 2009 | 1996 Toyota Camry

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