Toyota Sequoia (2005). Manual - part 708

B17477

Generator Wire

Generator Connector

Generator

Crankshaft Pulley

Drive Belt Tensioner

No.1 Timing Belt Cover

Timing Belt

Timing Belt Guide
(Crankshaft Angle Sensor Plate)

No.2 Idler Pulley

Timing Belt Cover Spacer

Gasket

N·m (kgf·cm, ft·lbf) : Specified torque

 Non–reusable part

Water Inlet Housing
Assembly

Water Pump

 O–Ring

 Gasket

 O–Ring

39 (400, 29)

18 (185, 13)

21 (215, 15)

Wire
Clamp

PS Vane Pump 
(100 A Type Generator)

15.5 (158, 11)

39 (400, 29)

34.5 (350, 25)

–

COOLING

WATER PUMP

CO–5

2821

CO0IR–06

B17478

B17479

CO–6

–

COOLING

WATER PUMP

2822

REMOVAL

1.

DRAIN ENGINE COOLANT

2.

REMOVE TIMING BELT (See page 

EM–16

)

3.

REMOVE NO.2 IDLER PULLEY (See page 

EM–16

)

4.

REMOVE WATER INLET AND INLET HOUSING AS-
SEMBLY

(a)

Disconnect the water bypass hose from the water inlet
housing.

(b)

Remove the 2 bolts holding the water inlet housing to the
water pump.

(c)

Disconnect the water inlet housing from the front water
bypass joint, and remove the water inlet and inlet housing
assembly.

(d)

Remove the O–ring from the water inlet housing.

5.

REMOVE WATER PUMP

(a)

Remove the 5 bolts, 2 stud bolts, nut, water pump and
gasket.

(b)

Remove the O–ring from the water bypass pipe.

CO0UZ–05

B04067

Air Hole

Water
Hole

P21661

P21660

B07456

–

COOLING

WATER PUMP

CO–7

2823

INSPECTION

1.

INSPECT WATER PUMP

(a)

Visually check the air hole and water hole for coolant leak-
age.

If leakage is found, replace the water pump and timing belt.
(b)

Turn the pulley, and check that the water pump bearing
moves smoothly and quietly.

If necessary, replace the water pump.

2.

INSPECT FLUID COUPLING

(a)

Remove the 4 nuts and fan from the fluid coupling.

(b)

Check that the fluid coupling is not damaged and that no
silicon oil leaks.

If necessary, replace the fluid coupling.
(c)

Reinstall the fan to the fluid coupling with the 4 nuts.
Torque: 8.5 N·m (85 kgf·cm, 75 in.·lbf)

3.

INSPECT FAN PULLEY BRACKET

Check the turning smoothness of the fan pulley.
If necessary, replace the pulley bracket.
4.

INSPECT TIMING BELT COMPONENTS
(See page 

EM–21

)

CO0IT–06

B04463

Connect

New O–Ring

B03030

Seal Width
2 – 3 mm

New O–Ring

CO–8

–

COOLING

WATER PUMP

2824

INSTALLATION

1.

INSTALL WATER PUMP

(a)

Install a new O–ring to the water bypass pipe end.

(b)

Apply soapy water to the O–ring.

(c)

Connect the water pump to the water bypass pipe end.

(d)

Install the water pump and a new gasket with the 5 bolts,
2 stud bolts and nut. Uniformly tighten the bolts, stud bolts
and nut in several passes.
Torque:
Bolt: 21 N·m (215 kgf·cm, 15 ft·lbf)
Stud bolt and nut: 18 N·m (185 kgf·cm, 13 ft·lbf)

2.

INSTALL WATER INLET AND INLET HOUSING AS-
SEMBLY

(a)

Remove any old packing (FIPG) material and be careful
not to drop any oil on the contact surfaces of the water in-
let housing and water pump.

Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket sur-
faces and sealing groove.

Thoroughly clean all components to remove all the
loose material.

Using a non–residue solvent, clean both sealing
surfaces.

(b)

Apply seal packing to the sealing groove of water inlet
housing as shown in the illustration.
Seal packing: Part No. 08826–00100 or equivalent

Install a nozzle that has been cut to a 2 – 3 mm (0.08
– 0.12 in.) opening.

Parts must be assembled within 3 minutes of ap-
plication. Otherwise the material must be removed
and reapplied.

Immediately remove nozzle from the tube and rein-
stall cap.

(c)

Install a new O–ring to the water inlet housing.

(d)

Apply soapy water on the O–ring.

(e)

Attach the water inlet housing end to the front water by-
pass joint hole.