Table 127
Troubleshooting Test Steps
Values Results
1. Engine Oil Cooler
A. Drain the engine lubricating oil and coolant from the
engine.
B. Inspect the oil cooler for signs of damage or leaks. Refer
to Systems Operation, Testing and Adjusting, Engine Oil
Cooler - Inspect for more information.
Oil cooler Result: There is evidence of leaks from the oil cooler or dam-
age to the oil cooler.
Repair: Install a new oil cooler. Refer to Disassembly and As-
sembly, “Engine Oil Cooler - Remove” and Disassembly and
Assembly, “Engine Oil Cooler - Install” for the correct
procedure.
Refill the engine oil and coolant. Refer to Operation and Main-
tenance Manual for the correct procedure.
Result: There is no evidence of damage or leaks.
Proceed to Test Step 2.
2. Engine Water Pump
A. Inspect the water pump for signs of damage or leaks. Re-
fer to Systems Operation, Testing and Adjusting, Water Pump
- Inspect for more information.
Water pump Result: There is evidence of leaks from the water pump or
damage to the water pump.
Repair: Install a new water pump. Refer to Disassembly and
Assembly, “Water Pump - Remove” and Disassembly and As-
sembly, “Water Pump - Install” for the correct procedure.
Refill the engine oil and coolant. Refer to Operation and Main-
tenance Manual for the correct procedure.
Result: There is no evidence of damage or leaks.
Proceed to Test Step 3.
(continued)
238 UENR4469-36
Symptom Troubleshooting
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