Question about 1996 GMC Jimmy

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A/c compressor kicks off and on while idling and blows hot until

2003 dodge ram 1500 w/ 5.7 L hemi

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Immediate thought is a Lack of Freon in the system, or possible failing, of the Low Pressure Switch in the Hose line, that energises the Compressor Clutch.
An inexpensive get out, is to purchase a DIY can of FREON, that includes Compressor Lubricant and inject it into, the High Pressure Freon Hose port.
Regards, DT

Posted on Sep 07, 2009

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SOURCE: 2003 dodge ram 1500 w/ 5.7L hemi

you may want to check the fan for the AC condenser under the hood of the car. Your AC condenser should have a separate fan similar to that of the radiator. See if it turns on while the AC is on. If it does not, you may want to swap the relay of the two fans. If swapping the fan relay would start the AC fan then have the relay replaced. If it does not turn on then have the fan tested. Check the wires. If the fan is Ok you may have to check out the condenser if it needs cleaning.

Posted on Sep 07, 2009

Testimonial: "you're right, i noticed that the fan was not coming on, so i will check relay tomorrow and see if thats the problem...very high pressure on the high s"

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you may want to check the fan for the AC condenser under the hood of the car. Your AC condenser should have a separate fan similar to that of the radiator. See if it turns on while the AC is on. If it does not, you may want to swap the relay of the two fans. If swapping the fan relay would start the AC fan then have the relay replaced. If it does not turn on then have the fan tested. Check the wires. If the fan is Ok you may have to check out the condenser if it needs cleaning.

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