isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Sensors and Switches - Cooling System > < Radiator Cap|Specifications
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Radiator Cap: Testing and Inspection

INSPECTION

Measure the valve opening pressure of the pressurizing valve with a radiator filler cap tester. Replace the cap if the valve opening pressure is outside
the standard range.

Valve opening pressure 93.3 - 122.7 kPa (13.5 - 17.8 psi)

Cap tester: J-24460-01
Adapter: J-33984-A
Check the condition of the vacuum valve in the center of the valve seat side of the cap. If considerable rust or dirt is found, or if the valve seat cannot
be moved by hand, clean or replace the cap.

Valve opening vacuum 1.96 - 4.91 kPa (0.28 - 0.71 psi)

Sensors and Switches - Cooling System > < Radiator Cap|Specifications