3. Cooling system
3-2
COOLING SYSTEM TEST
Open the upper cover of engine hood and remove the
radiator cap.
Install the test cap and a small hose pincher on
overflow hose.
Using pressure/ vacuum pump, pressurize system to
100 kPa.
Check all hoses, radiator and cylinder(s)/base for
coolant leaks or air bubbles.
Inspection
Check general condition of hoses and clamps tightness.
Check the leak indicator hole if there is oil or coolant.
NOTE: Flowing coolant indicates a defective rotary
seal. Oil indicates a defective inner oil seal. If either
seal is leaking, both seals must be replaced at same
time. Refer to
WATERPUMP SHAFT ANDSEAL
in this
section.
! WARNING
To avoid potential burns, do not remove the
radiator cap or loosen the cooling drain plug if
the engine is hot.