Gear Housing
90-8M0065421 NOVEMBER 2012 Page 6A-13
Gear Housing Disassembly
Water Pump
1. Remove the four bolts securing the water pump housing.
a - Bolts
b - Water pump housing
2. Use padding to protect the gear housing surface while applying pressure against the housing pry points.
a - Pry points
3. Remove the impeller and drive key from the driveshaft. Replace the impeller if:
• The impeller blades are cracked, torn, or worn.
• The impeller is glazed or melted (caused by insufficient water supply).
• The rubber portion of the impeller is not bonded to the impeller hub.
a - Drive key
b - Impeller
IMPORTANT: The circular groove formed by the impeller sealing bead should be disregarded when inspecting the cover
insert and the base plate. The depth of the groove will not affect the water pump output. If other grooves (from sand or
debris) are present, the insert and/or base plate should be replaced.
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