| Troubleshooting Test Steps |
Values |
Results |
|
1. Water pump
A. Check the weep hole in the water pump for blockage.
B. Check the water pump seals. |
Water pump |
Result : The water pump is leaking.
Repair : Replace the water pump. Refer to the Disassembly and Assembly manual for more information.
Result : The water pump is not leaking.
Proceed to Test Step 2. |
|
2. Check for leaks in the oil cooler core. |
Oil cooler core |
Result: No leak is found in the oil cooler core.
Proceed to Test Step 3.
Result: There is a leak found in the oil cooler core.
Repair : Replace the oil cooler core. |
|
3. If the engine is equipped with a water-cooled turbocharger, inspect the turbocharger for cracks. |
Turbocharger |
Result: The turbocharger is not cracked.
Proceed to Test Step 4.
Result: The turbocharger is cracked.
Repair : Replace the turbocharger. Refer to the Disassembly and Assembly Manual for more information. |
|
4. Check the cylinder liner projection. |
Liner projection |
Result: Cylinder liner projection is OK.
Proceed to Test Step 5.
Result: Cylinder liner projection is NOT OK.
Repair : Install a new cylinder head gasket and new water seals in the spacer plate. Refer to the Disassembly and Assembly manual. |
|
5. Check for cracks in the cylinder head. |
Cracks in cylinder head |
Result: There are no cracks in the cylinder head.
Proceed to Test Step 6.
Result: There are cracks in the cylinder head.
Repair : Repair the cylinder head and/or replace the cylinder head. Refer to the Disassembly and Assembly manual. |
|
6. Check for cracked cylinder liners. |
Cracks in cylinder liners |
Result: There are no cracks in the cylinder liners.
Proceed to Test Step 7.
Result: There are cracks in the cylinder liners.
Repair : Replace any cracked cylinder liners. Refer to the Disassembly and Assembly manual. |
|
7. Inspect the cylinder block for cracks. |
Cracks in cylinder block. |
Result: The cylinder block is not cracked.
STOP
Result: The cylinder block is cracked.
Repair : Repair the cylinder block or replace the cylinder block.
STOP |