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6-3
RADIATOR
COOL
NOTE:
EAS00455
CHECKING THE RADIATOR
1. Check:
Sradiator fins
Obstruction ! Clean.
Apply compressed air to the rear of the radia-
tor.
Damage ! Repair or replace.
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
Sradiator hoses
Sradiator pipes
Cracks/damage ! Replace.
3. Measure:
Sradiator cap opening pressure
Below the specified pressure ! Replace the
radiator cap.
Radiator cap opening pressure
110 X 140 kPa
(1.1 X 1.4 kg/cm
2
, 1.1 X 1.4 bar,
16.0 X 20.3 psi)
a. Install the radiator cap tester
1
and radiator
cap tester adapter
2
to the radiator cap
3
.
Radiator cap tester
90890-01325, YU-24460-01
Radiator cap tester adapter
90890-01352, YU-33984
b. Apply the specified pressure for ten seconds
and make sure there is no drop in pressure.
4. Check:
Sradiator fan
Damage ! Replace.
Malfunction ! Check and repair.
Refer to “COOLING SYSTEM” in chapter 8.