Faulty Pressure Control Cap
To determine if a faulty pressure control cap is causing high engine coolant temperature, perform the following:
- Perform coolant pressure control cap tests; refer to appropriate service manual, cooling system chapter.
- Check the test results.
Pressure Control Cap Resolution
Perform the following steps to resolve faulty pressure control cap:
- Remove and replace pressure control cap; refer to OEM guidelines.
- Install a new pressure control cap; refer to OEM guidelines.
- Verify pressure control repair; refer to "188.8.131.52 Test Engine with Replaced Pressure Control Cap" .
Test Engine with Replaced Pressure Control Cap
Perform the following to determine if exterior radiator repair resolved high engine coolant temperature:
- Start and run the engine.
- Run the engine through its operating range with no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
- If the engine coolant temperature is normal, no further troubleshooting is required. Shut down the engine.
- If the engine coolant temperature is not normal, shut down the engine. Check coolant hoses; refer to "13.4 Defective Coolant Hoses" .
|EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567|
|Generated on 10-13-2008|