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4-10 COOLING SYSTEM
Water Pump
Water Pump Removal
•
Refer to Oil Pump Removal in the Engine Lubrication Sys-
tem cha
pter.
Water Pump [A]
Front [B]
Water Pump Installation
•
Refer to Oil Pump Installation in the Engine Lubrication
System chapter.
Water Pump Inspection
•
Check the drainage outlet passage [A] at the bottom of
the water pump body for coolant leaks.
If the mechanical seal is damaged, the coolant leaks
through the seal and drains through the passage. Re-
place the mechanical seal in the water pump body (see
this section).
Front [B]
•
Visually inspect the water pump impeller [A].
If the surface is corroded or if the blades are damaged,
replace the impeller.
Water Pump Body [B]
Mechanical Seal Replacement
•
Remove the water pump body [A] (see Oil Pump Removal
in the Engine Lubrication System chapter).
•
Insert a metal rod [B] into the w ater pump body and
tap evenly around the mechanical seal [C] until the seal
comes off.
•
Replace the mechanical seal with a new one.
•
Using a thin-bladed screwdriver, pry out the oil seal [D].