Step | Action | Yes | No |
|---|---|---|---|
1 | Check the level of the coolant in the coolant surge tank. Is the coolant in the surge tank at the proper level? | Go to Step 3 | Go to Step 2 |
2 | Add engine coolant as necessary. Refer to Cooling System Draining and Filling . Does the engine still fail to reach normal operating temperature? | Go to Step 3 | System OK |
3 | Check if the thermostat is stuck open. Is the thermostat stuck in the open position? | Go to Step 5 | Go to Step 4 |
4 | Check to see if the correct type of thermostat was installed. Was the incorrect thermostat installed? | Go to Step 5 | System OK |
5 | Replace the thermostat. Refer to Engine Coolant Thermostat Replacement . Does the engine still fail to reach normal operating temperature? | -- | System OK |
