• Place a rag over the water pump body.
• Remove the oil seal using a suitable bar.
NOTE:
If there is no abnormal condition, the oil seal removal is not nec-
essary.
The removed oil seal must be replaced with a new one.
• Remove the mechanical seal ring 1 and the rubber seal 2
from the impeller.
INSPECTION
BEARING
• Inspect the play of the outer bearing and inner bearing by
hand while it is in the water pump case.
• Rotate the inner race by hand to inspect for abnormal noise
and smooth rotation.
• Replace the bearing if there is anything unusual.
MECHANICAL SEAL
• Visually inspect the mechanical seal for damage, with particu-
lar attention given to the sealing face.
• Replace the mechanical seal that shows indications of leak-
age.
COOLING AND LUBRICATION SYSTEM
8-19