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Home >> Jeep >> 1973 >> Wagoneer Base, 4.2L Eng VIN A, Not Available Trans >> Repair and Diagnosis (Single Page) >> Maintenance >> Procedures >> General Cooling System Servicing >> Testing >> Pressure Testing >> Radiator Cap
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Radiator Cap

Visually inspect radiator cap, 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: TESTING PRESSURE CAP
G09339701Courtesy of NOT AVAILABLE