For 1990-2009 cars

### Radiator 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

J 24460-01 Cooling System Pressure Tester

1. Clean the radiator fill cap.
2. Install the cap on the J 24460-01 .
3. 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 the gasket with engine coolant.