Table 2-1. Engine Troubleshooting - Continued.
TEST OR INSPECTION
LOW OIL PRESSURE- Continued.
Do not touch hot engine with bare hands; injury to personnel will result. Use insulated gloves when working
with a hot engine.
While engine is 180°F (82,2°C), remove valve cover and pressurize coolant system through radiator
cap to 20 psi (138 kPa) per TM 750-254.
If core plug leaks, replace core plug. If leakage is present from water jacket, replace cylinder
head. Refer to paragraph 2.15.