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1992
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G20 Automatic
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Repair and Diagnosis (Single Page)
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A/C System General Diagnostic Procedures
A/C System General Diagnostic Procedures
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Description
Preparation For Testing
Air Conditioning System Performance Check
Ambient Temperature/Pressure
Evaporator Temperature/Pressure
A/C Diagnosis W/Gauges For SYS. W/Insufficient Or No Cooling
Air Conditioning General Trouble Shooting
Condition & Possible Cause
Compressor Not Working
Excessive Noise or Vibration
Insufficient or No Cooling; Compressor Working
Heater General Trouble Shooting
Condition & Possible Cause
Insufficient, Erratic, or No Heat
Too Much Heat
Airflow Changes During Acceleration
Air From Defroster At All Times
Blower Does Not Operate Correctly