05-161
05 Engine
5.8 Cooling System
5.8.1 Sealing Inspection
CAUTION: Never open radiator cap
or remove water pipe and radiator
parts before engine is cooled down, to
prevent getting burnt.
Run the engine (idle). Stop the engine until
fan works. Inspect cooling system each
part for leak. Replace fault parts if leaking.
Inspect all pipes, radiator, cylinder body,
cylinder head and contact surfaces for
leak or bubbles. Replace fault parts if
necessary.
Inspect pipes condition. Make sure the
junction area is installed well.
Inspect overfilling hose
1
for coolant or
engine oil leak.
NOTE: Water seal allows a little drop
leaking. Only the leaking hose continuously
dropping is regarded as leaking. The water
seal must be replaced. Leaking coolant
indicates a defective rotary seal. Leaking
oil indicates a defective inner oil seal. If
either seal is leaking, both seals must be
replaced at the same time.
5.8.2 Coolant Replacement
Coolant Drain
CAUTION: Never make operations on
cooling system when the engine is hot.
Loosen radiator cap.
Place a pan under engine water pump to
store the drained coolant.
Remove coolant drain bolt
1
.
Remove washer
2
.
After draining coolant, install drain bolt with
a new washer and tighten it to10 N•m.
1
1
2
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0511702
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