Arctic Cat M 8000, Service Manual

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106
Engine-Related Items
 NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when servicing the engine-related items.

NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Water Pump - 4000
DISASSEMBLING
 NOTE: The engine must be removed for this proce-
dure (see Section 2).

NOTE: A bleed hole is located in the crankcase
beneath the water pump housing. If any signs of cool-
ant leakage from the bleed hole exist, the water pump
seals must be replaced. When servicing the water
pump, use Water Pump Bearing and Seal Tool Kit.
FS237A
1. Remove the cap screws securing the water pump
cover; then remove the cover and account for the
O-ring seal.
FC118
2. Remove either lower union cap screw securing the
lower check valve assembly. Remove the two cap
screws securing the oil-injection pump and pull the
oil pump from the engine. Leave the pump hose and
cable attached.
3. Remove the cap screw securing the impeller.
Account for the rubber washer behind the cap screw.
FC119
4. Remove the impeller from the shaft.
FC120

NOTE: If the impeller will not slide off the shaft,
start the cap screw into the shaft and tap on the cap
screw driving the shaft back out of the impeller.
Description p/n
Blind-Hole Bearing Puller 0644-500
Coolant Cap 0644-156
Drive Clutch Spanner Wrench 0644-136
Valve and Spring Retainer Tool 0644-448
Fan Spanner Wrench 0644-340
Water Pump Bearing and Seal Tool Kit 0644-557
Oil Seal Protector Tool 0644-219
Engine Leak-Down Test Kit 0644-522
Vacuum Test Pump 0644-131
Hood Harness Extension 1686-659
Hood Harness Extension 1686-660
Oil Filter Wrench 0644-551