Lexus RX300 (MCU15). Manual — part 184

B12310

No.2 Timing Belt Cover

Timing Belt

Timing Belt Guide

No.2 Generator
Bracket

RH Engine Mounting Bracket

26 (290, 21)

Crankshaft
Pulley

215 (2,200, 159)

Engine Wire Protector

125 (1,300, 35)
*88 (900, 65)

RH Camshaft Timing Pulley

43 (400, 32)

No.2 Idler Pulley

125 (1,300, 94)

Dust Boot

Timing Belt Tensioner

27 (280, 20)

z Non–reusable part
*For use with SST

No.1 Timing Belt Cover

LH Camshaft
Timing Pulley

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

–

COOLING

WATER PUMP

CO–5

LEXUS RX300 (RM785E)

B04242

z Non–reusable part

No.3 Timing Belt Cover

Gasket

Collar

Bushing

Water Pump

z Gasket

Engine Wire

8.5 (65, 74 in.·lbf)

x 6

8 (80, 69 in.·lbf)

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

CO–6

–

COOLING

WATER PUMP

LEXUS RX300 (RM785E)

CO07X–03

P12942

–

COOLING

WATER PUMP

CO–7

LEXUS RX300 (RM785E)

REMOVAL

1.

DRAIN ENGINE COOLANT

2.

REMOVE OUTER COWL TOP PANEL
(See page EM–75)

3.

REMOVE FRONT UPPER SUSPENSION BRACE
(See page EM–75)

4.

REMOVE TIMING BELT
(See page EM–16)

5.

REMOVE CAMSHAFT TIMING PULLEYS
(See page EM–16)

6.

REMOVE NO.2 IDLER PULLEY
(See page EM–16)

7.

REMOVE NO.3 TIMING BELT COVER
(See page EM–33)

8.

REMOVE WATER PUMP

Remove the 4 bolts, 2 nuts, water pump and gasket.

CO07Y–03

P12487

CO–8

–

COOLING

WATER PUMP

LEXUS RX300 (RM785E)

INSPECTION

1.

INSPECT WATER PUMP

(a)

Visually check the drain hole for coolant leakage.

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

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

If necessary, replace the water pump.
2.

INSPECT TIMING BELT COMPONENTS
(See page EM–20)