Why is my belt sqealing on the a/c compressor?
07-31-02, 02:22 PM
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Why is my belt sqealing on the a/c compressor?
My a/c was blowing hot and the compressor would not engage. I traced the problem to the Thermoswitch?? located behind the glove box on the evaporator assembly. When I jumped the switch, the compressor engaged. It did not make any noise until I charged my "empty" R12 system with R134a. The system would blow ICE but the belt started squealling like a stuck pig! I don't know if the compressor is hanging up or what.
Should I have my mechanic pull the 134 out and charge with 12 to see if the 134 and its oil caused the probelm???
Need help!! I don't want to buy a compressor if I don't have to.
Should I have my mechanic pull the 134 out and charge with 12 to see if the 134 and its oil caused the probelm???
Need help!! I don't want to buy a compressor if I don't have to.
07-31-02, 05:43 PM
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Aren't you supposed to use special R134a oil? 
I think the thermoswitch is what causes the compressor to regulate itself. I had it replaced, but it was like 4 years ago.
I think the thermoswitch is what causes the compressor to regulate itself. I had it replaced, but it was like 4 years ago.
07-31-02, 08:23 PM
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You're not supposed to just *switch* refrigerants. Something about thermodynamics. But denser gas could screw up your compressor, maybe that's why it's squealing.
~Tom
~Tom
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