K 3500 Truck 4WD V8-5.7L VIN R (1998)
6. Inspect the radiator/surge tank cap with J24460-01 in order to ensure the cap maintains the correct pressure.
7. If the radiator leaks during the pressure test, mark the leak area so the leak can be located once the radiator has been removed from the vehicle.
TESTING PROCEDURE (OFF VEHICLE)
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Tools Required
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J 24460-01 Cooling System Tester
NOTICE: Do not use boil-out tanks or any other tank that has been used for copper or brass radiators. The remaining solutions or chemicals in these
tanks could cause radiator failure.
1. Plug the inlet and outlet tubes. Ensure the drain cock is closed.
2. Attach the J24460-01 to the radiator.
3. Apply pressure to the radiator. Do not exceed 138 kPa (20 psi) of pressure.
4. Observe the gauge for any pressure loss.
5. Run water over the repair area and look for any bubbles. If a large tank is available, the radiator can be submerged in order to check for air
bubbles.
