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GMC Truck
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1999
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Savana 1/2 Ton Van V8-305 5.0L VIN M SFI
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Repair and Diagnosis
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Component Tests and General Diagnostics
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Noise Diagnosis - Screech
Noise Diagnosis - Screech
Potential causes include the following conditions:
^
The belt is serpentine.
^
The compressor bearings are faulty.
^
The
compressor clutch
is faulty. Refer to other related bulletins.