GM Service Manual Online
For 1990-2009 cars only

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

    •  Cooling Fan Circuit Diagnosis
    •  Engine Overheating
    •  Loss of Coolant
    •  Thermostat Diagnosis
    •  Coolant Heater Inoperative
    •  Engine Fails To Reach Normal Operating Temperature