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Coolant
Servicing Your Honda 55
WARNING
(2)
(1)
(4)
(3)
(3) bleed hole
(4) water pump cover
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.
Cooling System Inspection
1. Check the cooling system for leaks (see the
Honda Service Manual for troubleshooting of
leaks).
2. Check the water hoses (1) for cracks,
deterioration, and hose clamp for looseness.
3. Check the radiator mount for looseness.
4. Make sure the overflow tube (2) is connected
and not clogged.
5. Check the radiator fins for clogging.
6. Check the bleed hole (3) below the water
pump cover (4) for leakage. Clean away any
clogged dirt or sand, if necessary. Check for
signs of seal leakage. A small amount of
“coolant weeping” from the bleed hole is
normal. If water leaks through the bleed hole,
the mechanical seal is damaged. If oil leaks
through the bleed hole, the oil seal is
damaged. See an official Honda Service
Manual or consult your dealer for replacing
the mechanical seal or oil seal.
Both seals should be replaced at the same
time.
(1) water hoses
(2) overflow tube
Coolant Replacement
Refer to Safety Precautions on page 23.
Coolant should be replaced by your dealer, unless
you have the proper tools and service data and
are mechanically qualified. Refer to the 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
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