Polaris General 2020 Service Manual page 248

ENGINE / COOLING SYSTEM
WATER PUMP SERVICE
NOTICE
The water pump cover gasket can be replaced while
the water pump housing is still installed in the engine.
1. Remove water pump assembly as outlined in this
chapter (Engine Disassembly/Inspection - Bottom
End — Water Pump Housing Removal).
2. Remove the three bolts retaining water pump cover
q
to water pump housing
e
.
3. Place the water pump drive tab
soft jaw vice.
4. Remove the bolt and washer retaining the water
pump impeller to the shaft. Inspect the impeller veins
and water pump housing for damage. Replace if
needed.
IMPORTANT
The water pump impeller bolt
(reverse thread).
5. Remove impeller from water pump shaft.
6. Using an appropriate arbor press, properly support
the water pump housing and press out the water
pump shaft from the impeller side.
3.94
w
. Discard cover gasket
r
vertically into a
t
is left hand thread
7. Extract the mechanical seal and the oil seal from the
water pump housing.
IMPORTANT
A 5/32" (4 mm) diameter punch
lubrication slot to aid in the removal of the oil seal. Be
sure not to damage the water pump shaft bearing
surface.
8. Inspect the water pump shaft bore for excessive
wear or damage. Replace water pump housing
assembly if necessary.
9. Clean and inspect water pump shaft for excessive
wear or damage. Replace water pump housing
assembly if necessary, as shaft can not be
purchased separately.
10. Thoroughly clean mechanical seal and oil seal bores.
11. Install a NEW oil seal into the water pump housing
until fully seated.
12. Fully install the water pump shaft and two washers
into the housing.
13. Place water pump drive tab vertically into soft jaw
vice as previously shown in this procedure.
9850067 R01 - 2020-2021 GENERAL / GENERAL XP Service Manual
y
will fit in the
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