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GMC Truck
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2001
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C 2500 Yukon XL 2WD V8-8.1L VIN G
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Symptoms - HVAC System - Manual
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Too Hot In Vehicle - Auxiliary
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With Sunroof
With Sunroof
TEST DESCRIPTION
Steps 1-8:
Steps 9-18:
The numbers below refer to the step numbers on the diagnostic table.
6.
The specified values are from the A/C System Performance Test.