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54 Servicing Your Honda
Coolant
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 air bleed bolt (4) for looseness.
7. Check the bleed hole (5) below the water pump
cover (6) 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 dealer for
replacing the mechanical seal or oil seal.
Both seals should be replaced at the same time.
Refer to Important Safety Precautions on page23.
Coolant should be replaced by your dealer, unless
you have the proper tools and service data and are
mechanically qualified. Refer to an official Honda
Service Manual (page 162).
To properly dispose of drained coolant, refer to
You & the Environment on page146.
NOTICE
Improper disposal of drained fluids is harmful to
the environment.
Cooling System Inspection
(1) water hoses (3) radiator fins
(2) overflow hose (4) air bleed bolt
(1)
(1)
(2)
(4)
(3)
(3)
(5) bleed hole
(6) water pump cover
(6)
(5)
Coolant Replacement
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.
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