Any ideas what the problem could be now?
Possible ac pump froze up, or the timing advance isn't working to allow the engine to speed up to correct the extra load caused by the AC.
SOURCE: Bought new fan clutch.When engine
it only engages if the motor is runing. it is electric and not spring loaded.
SOURCE: 1997 Chevrolet Cavalier 4 door base coupe
Hi, you should start by checking your temperature suith at the cilinder head and the fan relay , those are the must comon for the problem you describe, ( be sure you chech all the fuses)GOOD LUCK......
SOURCE: Air conditioner compressor clutch went out twice
The air conditioner turns on even when you don't use it. Like anytime you have your defrost on, it helps dry the air inside of your vehcile. So by letting the leak continue the clutch turns on then off on then off over and over instead of just kicking in and staying on. Yes, if you don not fix the problem it will continue. I wish I had better news for you.
Stan
SOURCE: My 2004 Chevy Trailblazer dies when I turn on the air conditioner
just check weather all spark plugs are ok, even if one misfires then turning ac on will stop the engine. during motion the ac manages to get the power from other plugs. i hope this solves ur problm.
SOURCE: 2003 Trailblazer Air Conditioner fan runs but no air out vents
Mine does the exact same thing. If I turn it off for a few minutes it will work again for about 15 minutes. Doesn't matter which area I select the air to come out. The fan blows hard but very little air comes out.
Cooling Fan & Shroud
Removal & Installation
To Remove: 
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