COOLING SYSTEM 12-3
COOLING CIRCUIT
INSPECTION
• Remove the radiator cap.
• Connect the tester 1 to the filler.
• Give a pressure of about 120 kPa (1.2 kgf/cm
2
, 17 psi) and
see if the system holds this pressure for 10 seconds.
• If the pressure should fall during this 10-second interval, it
means that there is a leaking point in the system. In such a
case, inspect the entire system and replace the leaking com-
ponent or part.
WARNING
Do not remove the radiator cap when the engine is
hot.
WARNING
When removing the radiator cap tester, put a rag on
the filler to prevent spouting of engine coolant.
CAUTION
Do not allow the pressure to exceed the radiator cap
release pressure, or the radiator can be damaged.
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