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99 suburban air not cold at all I don't see compressor clutch kick in all fuses are good

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  • Dennis Boxerman May 11, 2010

    are you able to attach any gauges to the system to see if any refrigerant is in there? This is the starting point. Does it have freon in it?



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Try unplugging the pressure switch and jumping it with a wire. Either the high pressure or low pressure switch with make the compressor not turn on if bad. If the compressor kicks on, then check the pressure in the system. If the system is low on freon, have it repaired and all should be ok. If the freon level is ok, replace the pressure switch.

Hope this helps,


Posted on Jul 05, 2009


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