A Symptoms - Engine Cooling

Symptoms - Engine Cooling

Important: Review the system operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the Cooling System.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect the surge tank reservoir for the proper coolant level.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Low Engine Coolant Indicator Always On: Low Engine Coolant Indicator Always On
- Cooling Fan Inoperative (High Speed): Cooling Fan Inoperative - High Speed
- Cooling Fan Inoperative (Low Speed): Cooling Fan Inoperative - Low Speed
- Cooling Fan Always On - Auxiliary: Cooling Fan Always On
- Cooling Fan Inoperative - Auxiliary (Auxiliary Eng Coolant Fan #1 and #2): Auxiliary Engine Coolant Fan #1 and #2
- Cooling Fan Inoperative - Auxiliary (Auxiliary Engine Coolant Fan #1 Only): Auxiliary Engine Coolant Fan #1 Only
- Cooling Fan Inoperative - Auxiliary (Auxiliary Engine Coolant Fan #2 Only): Auxiliary Engine Coolant Fan #2 Only
- Cooling Fan Inoperative - Auxiliary (A/C Cooling Low Speed): Auxiliary (A/C Cooling Low Speed)
- Cooling Fan Inoperative - Auxiliary (A/C Cooling High Speed): Auxiliary (A/C Cooling High Speed)
- Coolant Heater Inoperative: Coolant Heater Diagnosis
- After Boil Heater Pump Inoperative: After Boil Heater Pump Inoperative
- Engine Overheating: Engine Overheating
- Loss of Coolant: Loss of Coolant
- Thermostat Diagnosis: Thermostat Diagnosis
- Electric Water Pump Diagnosis - Auxiliary: Electric Water Pump Diagnosis - Auxiliary
- Engine Fails To Reach Normal Operating Temperature: Engine Fails to Reach Normal Operating Temperature