Pressure Cap Testing
PRESSURE CAP TESTINGRADIATOR FILL CAP INSPECTION
^ Check the cap for a weak spring washer or damage to the gasket. If the spring washer is weak, or damaged replace the cap.
^ Check the inner sealing surface of the radiator neck for damage or debris.
RADIATOR CAP PRESSURE TESTING PROCEDURE
^ Tools Required
- J24460-01 Cooling System Pressure Tester
1. Clean the radiator fill cap.
2. Install the cap on the J24460-01.
3. In order to obtain the minimum holding pressure, slowly pump the J24460-0 1.
^ If the cap fails to hold 83 kPa (12 psi) of pressure, replace the cap.
^ If a new cap is installed, coat the gasket with engine coolant.