Radiator Fill Cap Inspection
• | Check the cap for a weak spring washer or damage to the gasket.
If the spring washer is weak, replace the cap. |
• | Check the relief valve gasket in the cap and the inner sealing
surface of the fill neck for damage or debris. |
• | Check for cracks at the hose fitting on the fill neck. If the
fitting is loose or cracked, replace the radiator end tank. |
Radiator Cap Pressure Testing Procedure
Tools Required
J 24460-01 Cooling
System Pressure Tester
- Clean the cap.
- Install the cap on the J 24460-01
.
- In order to obtain the minimum holding pressure, slowly pump the J 24460-01
.
• | If the cap fails to hold 83 kPa (12 psi) of pressure,
replace the cap. |
• | If a new cap is installed, coat both gaskets with engine coolant. |