Lexus RX300 (MCU15). Manual — part 517

SR0MT–02

R11355

A

B

F03842

A

B

SST

Fulcrum
Length

W03441

Pressure
Feed
Tube

Stopper

SR–30

–

STEERING

POWER STEERING VANE PUMP

LEXUS RX300 (RM785E)

INSTALLATION

1.

INSTALL PS VANE PUMP ASSEMBLY

Temporarily install the PS vane pump assembly with the 2 (”A”
and ”B”) bolts.
2.

INSTALL DRIVE BELT

(a)

Adjust drive belt tension (See page SR–3).

(b)

Using SST, torque the bolt ”A”.
SST

09249–63010

Torque: 29 N·m (300 kgf·cm, 22 ft·lbf)

HINT:
Use a torque wrench with a fulcrum length of 300 mm (11.81
in.).
(c)

Torque the bolt ”B”.
Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)

3.

CONNECT PRESSURE FEED TUBE

Install a new gasket and connect the pressure feed tube to the
PS vane pump assembly with the union bolt.
HINT:
Make sure the stopper of the pressure feed tube touches the
front bracket as shown in the illustration, then install the union
bolt.

Torque: 52 N·m (530 kgf·cm, 38 ft·lbf)

4.

INSTALL OIL PRESSURE SWITCH

(a)

Install the oil pressure switch to the union bolt.
Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)

(b)

Connect the connector to the oil pressure switch.

NOTICE:
Be careful to prevent oil seal from being attached to the
connector.
5.

CONNECT RETURN HOSE

Connect the return hose with the clip.
6.

BLEED POWER STEERING SYSTEM
(See page SR–5)

SR064–07

F04645

49 (500, 36)

181 (1,850, 134)

36 (370, 27)

25 (250, 18)
*23 (230, 17)

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

z

Non–reusable part

* For use with SST

z

Cotter Pin

PS Gear Assembly

Pressure Feed Tube

Return Tube

181 (1,850, 134)

z

Cotter Pin

49 (500, 36)

9.8 (100, 7)

7.8 (80, 69 in.·lbf)

Intermediate Shaft
Sub–assembly

25 (250, 18)
*23 (230, 17)

–

STEERING

POWER STEERING GEAR

SR–31

LEXUS RX300 (RM785E)

POWER STEERING GEAR

COMPONENTS

F04646

Rack Housing
No. 2 Grommet

Rack Boot

Tie Rod End

Lock Nut

Clip

z

Clamp

Rack Housing

Rack Housing
No. 2 Bracket

z

Claw Washer

Rack End

Steering Rack

z

O–ring

z

Teflon Ring

Cylinder End Stopper

Bushing

z

Oil Seal

z

Oil Seal

z

O–ring

z

Wire

: Specified torque

z

Non–reusable part

Molybdenum disulfide lithium base grease

* For use with SST

Power steering fluid

74 (750, 54)

83 (850, 61)
* 60 (610, 44)

83 (850, 61)
* 60 (610, 44)

Rack End

z

Claw Washer

Tie Rod End

Lock Nut

74 (750, 54)

Clip

Rack Boot

z

Clamp

N·m (kgf·cm, ft·lbf)

SR–32

–

STEERING

POWER STEERING GEAR

LEXUS RX300 (RM785E)

F04647

Turn Pressure Tube

Control Valve Assembly

z

Bearing

z

O–ring

z

Oil Seal

z

Bearing

Dust Cover

Control Valve
Housing

z

Teflon Ring

Rack Housing

L

Rack Guide

Spring Cap
Lock Nut

Rack Guide Spring

Rack Guide
Sub–assembly

z

Oil Seal

Turn Pressure Tube

z

O–ring

L

Rack Guide

Spring Cap

z

Bearing

z

Gasket

z

Self–locking Nut

L

Rack Housing Cap

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

L

Precoated part

Molybdenum disulfide lithium base grease

Power steering fluid

* For use with SST

z

z

z

Non–reusable part

18 (180, 13)

13 (130, 9)
* 12 (120, 9)

13 (130, 9)
* 12 (120, 9)

13 (130, 9)
* 12 (120, 9)

13 (130, 9)
* 12 (120, 9)

69 (700, 51)
* 50 (510, 37)

25 (250, 18)

59 (600, 43)

18 (180, 13)

–

STEERING

POWER STEERING GEAR

SR–33

LEXUS RX300 (RM785E)