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Ravenmocker

Ravenm ... 8/23/2010

2004 Chrysler PT Cruiser Touring 4 Cyl 2.4L

Engine

Ac compressor will not kick on.

ac switch energizes, low and high pressure switches show fire, scanner says compressor not on, high side fan is not on, but does show that the switch for ac is on. Does compressor ground through the computer?

3 Answers


mopar

mopar 8/23/2010

if low on rifrigerant...low pressure switch kicks...if too full high pressure switch kicks...clutch won't kick in...safety device....more than likely it probably needs a little charge. auto parts stores have charge systems with built in guages...so you don't have to second guess...

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darkmind

darkmind 8/23/2010

Also check the condition of your magnetic clutch relay.

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HouseCallAuto

HouseCallAuto 8/23/2010

AC high pressure switch on the back of the compressor is the number one cause of the AC clutch not engaging. It is assumed that the system is fully charged and not just low on refrigerant.

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