3
9926816 R07 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.
3.23
WATER PUMP SERVICE
NOTE
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
w
. Discard cover gasket
e
.
3. Place the water pump drive tab
r
vertically into a
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.
NOTE
The water pump impeller bolt
t
is left hand thread
(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.
7. Extract the mechanical seal and the oil seal from the
water pump housing.
NOTE
A 5/32" (4 mm) diameter punch
y
will fit in the
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.
ENGINE / COOLING SYSTEM
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