Operation CHARM
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Buick
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1992
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Roadmaster Estate Wagon V8-350 5.7L
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Repair and Diagnosis
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Heating and Air Conditioning
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Compressor HVAC
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Manual
Manual
1.
Check Fuse 6. If open, check for a short to ground in CKT 50, CKT 66, CKT 1592, CKT 67, or in CKT 59.
2.
Check that ground G103 is clean and tight.
3.
Check
A/C Compressor Clutch
connector terminals for corrosion.