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5-2
RADIATOR
COOL
CAUTION:
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YP500030
INSPECTION
1. Inspect:
D Radiator
1
Obstruction ! Blow out with com-
pressed air through the rear of the radia-
tor.
Flattened fins ! Repair or replace.
If flattened over the 20 % of radiator fin,
repair or replace the radiator.
Use only specified adhesive to repair the ra-
diator.
2. Inspect:
D Radiator hoses
D Radiator pipes
Cracks/damage ! Replace.
3. Measure:
D Radiator cap opening pressure
D Radiator cap opens at a pressure below
the specified pressure ! Replace.
Radiator cap opening pressure:
110 140 kPa
(1.1 1.4 kg/cm
2
, 1.1 1.4 bar)
Measurement steps:
D Attach the radiator cap tester
1
and adapter
2
to the radiator cap
3
.
Radiator cap tester:
90890-01325
Adapter:
90890-01352
D Apply the specified pressure for 10 seconds,
and make sure there is no pressure drop.
4. Inspect:
D Fan motor assembly
Damage ! Replace.
Malfunction ! Check and repair.
Refer to “COOLING SYSTEM” in CHAP-
TER 8.
5. Inspect:
D Pipes
Cracks/damage ! Replace.