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Coolant
Cooling System Inspection
1. Check the cooling system for leaks (see an
official Honda Service Manual for
troubleshooting of leaks).
2. Check the water hoses (1) for cracks,
deterioration, and radiator hose clamps for
looseness.
3. Check the radiator mount for looseness.
4. Make sure the overflow hose (2) is connected
and not clogged.
5. Check the radiator fins (3) for clogging.
6. Check the bleed hole (4) below the water
pump cover (5) for leakage. Clean away any
clogged dirt or sand, if necessary. Check for
signs of seal leakage. If water leaks through
the bleed hole, replace the mechanical seal. If
oil leaks through the bleed hole, replace the
oil seal. Make sure that there is no continuous
coolant leakage from the bleed hole while
operating the engine.
A small amount of coolant weeping from the
bleed hole is normal. See an official Honda
Service Manual or consult your Honda dealer
for replacing the mechanical seal or oil seal.
Both seals should be replaced at the same
time.
Coolant Replacement
Refer to Safety Precautions on page 23.
Coolant should be replaced by your Honda
dealer, unless you have the proper tools and
service data and are mechanically qualified.
Refer to an official Honda Service Manual
(page 160).
To properly dispose of drained coolant, refer to
You & the Environment, page 144.
Improper disposal of drained fluids is harmful to
the environment.
NOTICE
Servicing Your Honda 55
WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to
spray out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
(2)
(3)
(1)
(3)
(1)
(5)
(4)
(1) water hoses (3) radiator fins
(2) overflow hose
(4) bleed hole
(5) water pump cover
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