Radiator Pressure Cap (1-15)
Testing
Warning: Do not remove the radiator pressure cap until
the coolant temperature is below 50°C [120°F]. Failure
to do so can cause personal injury from heated coolant
spray.
Remove the radiator pressure cap.
Pressure test the radiator cap.
The pressure cap must seal within 14 kPa [2 psi] of the
value stated on the cap, or it must be replaced.
Inspection
Warning: Do not remove the radiator pressure cap until
the coolant temperature is below 50°C [120°F]. Failure
to do so can cause personal injury from heated coolant
spray.
Remove the radiator cap.
Visually inspect the rubber seal of the pressure cap for
damage.
Visually inspect the radiator or expansion tank fill neck for
cracks or other damage.
Refer to the radiator manufacturer’s or vehicle manufac-
turer’s instructions if the fill neck is damaged.
NOTE: Make sure the correct pressure cap is used. Refer
to Cooling System Specifications.
Radiator Pressure Cap (1-15) Section 1 - Cooling System
N14Page 1-36
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