Snowmobile Arctic Cat (2007 year). Manual - part 39

3-34

SNO2170

3-35

3

Water Pump

(1100 cc Z1)

REMOVING

1. Drain the engine coolant (see the appropriate

Liquid Cooling System in this section).

2. With the engine coolant drained, remove the

water bypass hose (A); then remove the coolant

tank/engine hose (B).

ZJ112A

3. Remove the separator tank breather hose to gain

access to the water pump; then remove the water

inlet hose from the water pump.

ZJ113A

4. Remove the two cap screws securing the water

pump to the engine; then remove the pump and

account for the O-ring.

ZJ114A

DISASSEMBLING

0742-104

1. Secure the water pump in a suitable support

device; then remove the two Phillips-head

screws (A) securing the inner/outer pump hous-

ings.

2. Separate the inner/outer pump housings; then

remove the E-clip (B) from the impeller shaft,

remove the shaft from the inner housing, and

remove the ceramic seal (C) from the shaft.

3. With the inner housing secured in a suitable

clamping device and using Blind-Hole Bearing

Puller (p/n 0644-500), remove the mechanical

seal (D); then remove the oil seal (E).

„ NOTE: It is advisable to apply heat to the hous-
ing to aid in removing the seals.

4. Using the bearing puller, remove the bearing (F)

from the inner housing.

! CAUTION

Before doing this servicing procedure, disconnect
the negative battery cable to avoid injury.

! CAUTION

Care should be taken not to apply too much heat to
the housing or the bushing next to the bearing may
be damaged.

3-36

„ NOTE: It is advisable to apply heat to the hous-
ing to aid in removing the bearing.

5. Clean the inner and outer housings with parts-

cleaning solvent; then dry with compressed air.

ASSEMBLING

0742-104

„ NOTE: For this procedure, use Water Pump
Bearing & Seal Kit (p/n 0644-084).

1. Using the appropriate-sized installation tool,

install the bearing (F) into the inner housing.

2. Using the appropriate-sized installation tool,

install the oil seal (E) with the spring side of the

seal facing the bearing.

3. Place the mechanical seal (D) into the inner

housing; then using the appropriate-sized instal-

lation tool, drive the seal into the housing until

the lip of the seal is properly seated.

4. Install the ceramic seal (C) onto the impeller

shaft with the ceramic face of the seal facing

away from the impeller.

5. Install the impeller shaft into the inner housing

and secure with the E-clip (B); then with a new

O-ring properly positioned in the outer housing,

place the water pump halves together.

„ NOTE: It is advisable to apply a light coat of
grease on the O-ring to aid in keeping it properly
positioned.

6. Secure the housings with the two Phillips-head

screws (A); then tighten the screws with an

impact driver.

INSTALLING

1. With a new O-ring (A) in place on the inner

housing and the water pump shaft (B) properly

aligned with the oil-feed pump shaft, install the

water pump.

ZJ123A

2. With the water pump properly positioned,

secure the pump with two cap screws and

tighten to 1.0 kg-m (7 ft-lb).

3. Install the water inlet hose and secure with the

clamp; then install the separator tank hose and

the three remaining coolant hoses. Secure with

the clamps.

4. Properly fill the cooling system (see appropriate

Liquid Cooling System in this section).

Water Pump

(660 cc)

1. Drain the engine coolant (see appropriate Liquid

Cooling System in this section).

! CAUTION

Care should be taken not to apply too much heat to
the housing or the bushing next to the bearing may
be damaged.

! WARNING

Always wear safety glasses when drying compo-
nents with compressed air.

! CAUTION

Care should be taken not to over-tighten the screws
with the impact driver or damage to the housings
may occur.

! CAUTION

Before doing this servicing procedure, disconnect
the negative battery cable to avoid injury.

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3

2. Remove the air silencer (see appropriate Servic-

ing  Air Silencer in this section).

„ NOTE: Steps 3-5 are for turbo models. For non-
turbo models, proceed to step 6.

3. Loosen the intercooler hose clamps at the throt-

tle body and the turbo.

AO356

AO357

4. Loosen the hose clamps and remove the hose

from the air bypass valve and the pressure sen-

sor hose.

AO358

5. Remove the two flange nuts securing the inter-

cooler to the mounting brackets and remove the

intercooler.

AO359

AO360

6. Remove the two cap screws and one lock nut

securing the engine belt cover to the engine.

7. Loosen the upper and lower alternator cap

screws; then push the alternator toward the

engine and remove the belt.

AO376A

AO266