Pressure Testing Radiator Cap

A pressure testing tool is used to test both radiator cap and complete cooling system. Test as follows, following tool manufacturer's instructions.

Visually inspect radiator cap, then dip cap in water and connect to tester. Pump tester to bring pressure to upper limit of cap specifications. If cap fails to hold pressure within specifications, replace cap.

Fig 1: Test 1 2.3L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.

Fig 2: Test 2 2.3L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.

Fig 3: Test 3 2.3L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.

Fig 4: Test 1 1.9L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.

Fig 5: Test 2 1.9L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.

Fig 6: Test 3 1.9L Cooling Fan Controller Pin Voltage Specifications

Courtesy of FORD MOTOR CO.