Engine Fails To Reach Normal Operating Temperature
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Symptoms-Engine Cooling diagnostic information and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Engine Cooling |
| 2 | Verify that the engine does not reach normal operating temperature. Does the engine reach normal operating temperature? |
System OK | Go to Step 3 |
| 3 | Inspect the coolant level. Is the coolant level below the add mark? |
Go to Step 4 | Go to Step 5 |
| 4 |
|
System OK | Go to Step 5 |
| 5 | Inspect for a stuck open, missing, or incorrect thermostat. Refer to Thermostat Diagnosis . Is the thermostat operating properly? |
System OK | Go to Step 6 |
| 6 | Install the correct replacement thermostat. Refer to Engine Coolant Thermostat Housing Replacement Is the repair complete? |
Go to Step 7 | - |
| 7 | Run the engine in order to verify the repair. Does the engine fail to reach normal operating temperature? |
- | System OK |