Symptoms
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Possible Causes
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Remedy
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Coolant leakage
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•
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From the bleed hole of the water pump
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Visually check
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•
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Check leaks after about ten-minute warming up.
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•
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If coolant still leaks, replace a water pump.
|
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•
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If leakage stops, reuse the water pump (Do not replace
the pump with a new one).
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•
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From gaskets or bolts
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•
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Check the tightening of the water pump mounting bolts.
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•
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Retighten the mounting bolts.
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•
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Check damage of gaskets or inflow of dust.
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•
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Replace the gasket and clean dust off.
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•
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From outer surface of water pump
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|
•
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Check the material or any cracks of the water pump.
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•
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Poor material. If any crack found, replace the water pump.
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Noise
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•
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From mechanical seals
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•
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Impeller interference
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Inspection with a stethoscope
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•
|
After starting the engine, check noise with a stethoscope.
|
|
•
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If there is no noise, reuse the water pump(do not replace
it).
|
|
•
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If there is any noise from the water pump, remove the
drive belt and recheck.
|
|
Inspection after removing a drive belt
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•
|
After removing a water pump and a drive belt, check noise
again.
|
|
•
|
If there is noise, reuse the water pump. Check other drive
line parts.
|
|
•
|
If there is no noise, replace the water pump with a new
one.
|
|
Inspection after removing a water pump
|
•
|
After removing a water pump and a drive belt, check noise
again.
|
|
•
|
If there is any interference between them, replace the
water pump with a new one.
|
|
Overheating
|
|
Loosened impeller
|
•
|
Corrosion of the impeller wing
|
|
•
|
Check engine coolant.
|
•
|
Poor coolant quality / Maintenance check
|
|
•
|
Impeller seperation from the shaft
|
|
•
|
Replace the water pump.
|
|
See also:
Components of the Tire Mobility Kit
0. Speed restriction label
1. Sealant bottle and label with speed restriction
2. Filling hose from sealant bottle to wheel
3. Connectors and cable for the power outlet direct connection
4. Hol ...
Front Wiper Motor Component Location
1. Cap
2. Nut
3. Wiper arm & blade
4. Rivet
5. Cowl top cover
6. Bolt
7. Wiper motor & linkage assembly
...
Inspection
1.
Check the clutch release cylinder for fluid leakage.
2.
Check the clutch release cylinder boot for damage.
...