Quote:
Originally Posted by silkhope
Newbe here I hope this is not a beat to death thread. I have a 01, 2500HD, 8.1l, AL trans. At idle or in bumper to bumper traffic, I have no A/C just blows warm. It has done this since day one, and I took it to the stealership, and they said it was normal, in order not to over heat the Allison trans. This is driving me nuts. we now live in NC and it is no longer tolerable. Does anyone have any ideas? Thanks for your help!
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If you have too much refrigerent/excessive high side pressures , in the system, the ac compressor will be commanded OFF...
If the engine is overtemping the a/c is commanded OFF..
what is the condition of you coolant ///system///thermostat///coolant cap///pressure test coolant system///fan clutch n/g etc.......