a/c

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Old 03-14-2008, 12:45 AM
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anyone know why the ac service light keeps coming on and the system only works in economy not auto 1990 fleetwood
 
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Old 03-14-2008, 11:07 AM
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ORIGINAL: lloydj80

anyone know why the ac service light keeps coming on and the system only works in economy not auto 1990 fleetwood
Low on refrigerant?
codes?

need more info.

https://www.cadillacforum.com/m_9792/tm.htm



 
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Old 03-14-2008, 04:17 PM
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I agree. Most GM cars from the late 80's to 90's do open the circuit to the compressor when pressures are either too low or too high. The Cadillac goes a little further to tell you. Most likely low freon but could be a faulty pressure sensor, thats why the codes are needed.
 
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Old 03-14-2008, 07:33 PM
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FWD or RWD Fleetwood?
 
  #5  
Old 03-17-2008, 10:10 AM
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the same thing happened to me on my 89, It was low on r12 refrigerant.
 

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