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adam

adam 7/9/2011

1997 Dodge B2500 Base 8 Cyl 5.20L

Engine

what is causing my clutch on my van to not cycle on and off when the a/c is on and my van is just ideling

117,000 miles on this van I have had the system charged and the expantionvalve change even another compressor installed not a new one but it works before this problem happend the air was very cold and now it,s not

1 Answer


Jimm

Jimm 7/9/2011

An a/c system with insufficient cool air may have one, or more of, these problems;
* low refrigerant charge; check system for leaks
* slipping compressor clutch
* loose drive belt
* clogged condensor
* clogged evaporator
* defective evaporator control valve
* faulty expansion valve
* faulty fixed orifice tube
* clogged receiver-drier screen
* clogged accumulator-drier filter
* moisture or air in system
* refrigerant overcharge
* blend door out of adjustment
May also check the a/c relay and the a/c compressor clutch engagement; wiring, any in-line fuse - to make sure the compressor is working.

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