Lexus ES300 (1997 year). Service manual — part 556

SR065–01

W04222

SST

SR–32

–

STEERING

POWER STEERING GEAR

1328

1997 LEXUS ES300 (RM511U)

REMOVAL

1.

PLACE FRONT WHEELS FACING STRAIGHT AHEAD

2.

REMOVE STEERING WHEEL PAD
(See page

SR–11

)

3.

REMOVE STEERING WHEEL
(See page

SR–11

)

4.

DISCONNECT RH AND LH TIE ROD ENDS
(See page

SA–9

)

5.

DISCONNECT INTERMEDIATE SHAFT ASSEMBLY
(See page

SR–11

)

6.

DISCONNECT CLAMP PLATE

Remove the nut.

7.

DISCONNECT PRESSURE FEED AND RETURN
TUBES

Using SST, disconnect the tube.

SST

09631–22020

8.

DISCONNECT STABILIZER BAR

Remove the 4 bolts.
HINT:
Do not remove the bar.
9.

REMOVE NO.1 FUEL TUBE PROTECTOR

Remove the 2 bolts and nut.
10.

REMOVE PS GEAR ASSEMBLY

(a)

Remove the 2 gear assembly set bolts and nuts.

HINT:
Lift up the stabilizer bar and remove the bolts.
(b)

Remove the gear assembly from the LH of the vehicle.

NOTICE:
Do not damage the turn pressure tubes.

SR066–06

W04228

SST

W04229

SST

R00429

Matchmarks

W04230

Screwdriver

R11644

Claw washer

–

STEERING

POWER STEERING GEAR

SR–33

1329

1997 LEXUS ES300 (RM511U)

DISASSEMBLY

NOTICE:
When using a vise, do not overtighten it.
1.

SECURE PS GEAR ASSEMBLY IN VISE

Using SST, secure the gear assembly in a vise.

SST

09612–00012

2.

REMOVE 2 TURN PRESSURE TUBES

(a)

Using SST, remove the tube.
SST

09633–00020

(b)

Remove the 2 O–rings from the tube.

3.

REMOVE RH AND LH TIE ROD ENDS AND LOCK
NUTS

(a)

Place matchmarks on the tie rod end and rack end.

(b)

Loosen the lock nut.

4.

REMOVE RH AND LH CLIPS, RACK BOOTS AND
CLAMPS

Using a screwdriver, loosen the clamp.
NOTICE:

Be careful not to damage the boot.

Mark the RH and LH boots.

5.

REMOVE RH AND LH RACK ENDS AND CLAW WASH-
ERS

(a)

Using a screwdriver and hammer, stake back the washer.

NOTICE:
Avoid any impact to the steering rack.

R11645

SST

R11646

SST

Rack Guide
Spring Cap Lock Nut

R11647

Rack Guide
Spring Cap

SST

R11648

SST

R11553

Matchmarks

SR–34

–

STEERING

POWER STEERING GEAR

1330

1997 LEXUS ES300 (RM511U)

(b)

Using a spanner (24 mm) to hold the steering rack steady,
and using SST, remove the rack end.
SST

09922–10010

NOTICE:

Use SST 09922–10010 in the direction shown in the il-
lustration.

Mark the RH and LH rack ends.

(c)

Remove the washer from the rack end.

6.

REMOVE RACK GUIDE SPRING CAP LOCK NUT

Using SST, remove the nut.

SST

09922–10010

NOTICE:
Use SST 09922–10010 in the direction shown in the illustra-
tion.

7.

REMOVE RACK GUIDE SPRING CAP, RACK GUIDE
SPRING, RACK GUIDE AND RACK GUIDE SEAT

(a)

Using SST, remove the cap.
SST

09631–10021

(b)

Remove the seat from the guide.

8.

REMOVE RACK HOUSING CAP

9.

REMOVE SELF–LOCKING NUT

Using SST to stop the control valve shaft rotating, remove the
nut.

SST

09616–00010

10.

REMOVE DUST COVER

11.

REMOVE CONTROL VALVE HOUSING WITH CON-
TROL VALVE ASSEMBLY

(a)

Place matchmarks on the valve housing and rack hous-
ing.

(b)

Remove the 2 bolts.

(c)

Remove the gasket from the rack housing.

R11554

Vinyl Tape

Shop Rag

Press

R11649

Matchmarks

R11650

Screwdriver

R11651

Cylinder End
Stopper

Wire

SST

–

STEERING

POWER STEERING GEAR

SR–35

1331

1997 LEXUS ES300 (RM511U)

12.

REMOVE CONTROL VALVE ASSEMBLY

(a)

To prevent oil seal lip damage, wind vinyl tape on the ser-
rated part of the valve shaft.

(b)

Press out the valve assembly with the oil seal.

NOTICE:

Place a shop rag between the valve housing and the
blocks.

Be careful not to drop the valve assembly.

Be careful not to damage the oil seal lip.

13.

REMOVE OIL SEAL

Remove the oil seal from the control valve assembly.

14.

REMOVE RACK HOUSING NO.2 BRACKET AND
GROMMET

(a)

Place matchmarks on the bracket and rack housing.

(b)

Using a screwdriver, pry the clamp of the bracket.

(c)

Remove the grommet from the bracket.

15.

REMOVE CYLINDER END STOPPER

(a)

Using SST, turn the stopper clockwise until the wire end
is visible through the service hole.
SST

09631–10021

(b)

Using SST, turn the stopper counterclockwise, and re-
move the wire.
SST

09631–10021