Service manual

4-16 COOLING SYSTEM
Radiator
•
Install the cap [A] on a cooling system pressure tester [B].
NOTE
○
Wet the cap sealing surfaces with water or coolant to
prevent pressure leakage.
•
Watching the pressure gauge, slowly pump the pressure
tester to build up the pressure. The relief valve opens,
indicated by the gauge hand flicks downward.
○
The relief valve must open within the relief pressure range
in the table below and the gauge hand must remain within
the specified range at least 6 second.
Radiator Cap Relief Pressure
Standard: 93 ∼ 123 kPa (0.95 ∼ 1.25 kgf/cm², 14 ∼ 18
psi)
If the cap cannot hold the specified pressure, or if it holds
too much pressure, replace it with a new one.