Torque - Water Pump Impeller Bolt [B]: 10 N·m (1.0 kgf·m,
Water Pump Cover (see Water Pump Cover Installation)
Water Pump Inspection
Visually check the impeller [A].
If the surface is corroded, or if the blades [B] are dam-
aged, replace the impeller.
Check the drainage outlet passage [A] at the bottom of
the right engine cover for coolant leaks.
If a coolant leak or ooze is found, start the engine and
check if the coolant leaks continuously.
When coolant does not continuously leak, it is normal.
If the oil seal (outside) is damaged, the coolant continu-
ously leaks through the drainage outlet passage. Replace
the oil seal (outside).
If the oil seal (inside) is damaged, engine oil leaks through
the drainage outlet passage. Replace the oil seal (inside).
Oil Seal and Bearing Removal
Impeller (see Impeller Removal)
Right Engine Cover (see Right Engine Cover Removal
in the Clutch chapter)
Water Pump Shaft [B]
Special Tool - Outside Circlip Pliers: 57001-144
Insert a bar [A] into the water pump shaft hole from the
outside of the right engine cover, and remove the ball
bearing [B] by tapping [C] evenly around the bearing in-
Remove the spacer [D].
Remove the ball bearing [E] and oil seal [F] from the right
engine cover in the same way.
COOLING SYSTEM 4-11