Lexus ES300 (1997 year). Service manual — part 557

R11555

Brass Bar

Bushing

F01791

SST

Oil Seal

SR–36

–

STEERING

POWER STEERING GEAR

1332

1997 LEXUS ES300 (RM511U)

16.

REMOVE STEERING RACK AND BUSHING

(a)

Using a brass bar and hammer, tap out the rack with the
bushing.

(b)

Remove the bushing from the rack.

(c)

Remove the O–ring from the bushing.

17.

REMOVE OIL SEAL

Using SST, press out the oil seal.

SST

09950–60010 (09951–00290),
09950–70010 (09951–07360)

SR067–06

R10072

Dial Indicator

F01792

Press

SST

Oil Seal

Bearing

W03560

Press

SST

Oil Seal

SST

R13999

SST

Bearing

Press

SST

F01794

Brass Bar

Bearing

–

STEERING

POWER STEERING GEAR

SR–37

1333

1997 LEXUS ES300 (RM511U)

INSPECTION

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

INSPECT STEERING RACK

(a)

Using a dial indicator, check the rack for runout and for
teeth wear and damage.
Maximum runout: 0.30 mm (0.0118 in.)

(b)

Check the back surface for wear and damage.

2.

IF NECESSARY, REPLACE OIL SEAL AND BEARING

(a)

Using SST, press out the oil seal and bearing from the
control valve housing.
SST

09950–60010 (09951–00250),
09950–70010 (09951–07200)

(b)

Coat a new oil seal lip with power steering fluid.

(c)

Using SST, press in the oil seal.
SST

09950–60010 (09951–00180, 09951–00320,
09952–06010), 09950–70010 (09951–07200)

NOTICE:
Make sure to install the oil seal facing the correct direction.

(d)

Coat a new bearing with molybdenum disulfide lithium
base grease.

(e)

Using SST, press in the bearing.
SST

09950–60010 (09951–00180, 09951–00340,
09952–06010), 09950–70010 (09951–07200)

3.

IF NECESSARY, REPLACE 2 BEARINGS

(a)

Using a brass bar and hammer, tap out the bearing from
the rack housing.

F01795

Press

SST

Bearing

R14001

SST

Press

Bearing

SST

F01797

Bearing

SST

Press

F01798

Bushing

SST

SST

Oil Seal

F01799

Press

Oil Seal

SST

SST

SR–38

–

STEERING

POWER STEERING GEAR

1334

1997 LEXUS ES300 (RM511U)

(b)

Using SST, press out the bearing from the rack housing.
SST

09950–60010 (09951–00260),
09950–70010 (09951–07200)

(c)

Coat a new bearing with molybdenum disulfide lithium
base grease.

(d)

Using SST, press in the bearing.
SST

09950–60010 (09951–00250, 09951–00310,
09952–06010), 09950–70010 (09951–07200)

(e)

Coat a new bearing with molybdenum disulfide lithium
base grease.

(f)

Using SST, press in the bearing.
SST

09950–60010 (09951–00320),
09950–70010 (09951–07200)

4.

IF NECESSARY, REPLACE OIL SEAL

(a)

Using SST, remove the oil seal from the bushing.
SST

09527–20011, 09612–24014 (09613–22011)

NOTICE:
Be careful not to damage the bushing.

(b)

Coat a new oil seal lip with power steering fluid.

(c)

Using SST, press in the oil seal.
SST

09950–60010 (09951–00240, 09951–00400,
09952–06010)

NOTICE:
Make sure to install the oil seal facing the correct direction.

R10955

Screwdriver

R06172

N00401

R11572

Teflon Ring

Screwdriver

–

STEERING

POWER STEERING GEAR

SR–39

1335

1997 LEXUS ES300 (RM511U)

5.

IF NECESSARY, REPLACE TEFLON RING AND O–
RING

(a)

Using a screwdriver, remove the teflon ring and O–ring
from the steering rack.

NOTICE:
Be careful not to damage the groove for the teflon ring.
(b)

Coat a new O–ring with power steering fluid and install it.

(c)

Expand a new teflon ring with your fingers.

NOTICE:
Be careful not to over–expand the ring.

(d)

Coat the ring with power steering fluid.

(e)

Install the ring to the steering rack, and settle it down with
your fingers.

6.

IF NECESSARY, REPLACE TEFLON RINGS

(a)

Using a screwdriver, remove the 4 rings from the control
valve assembly.

NOTICE:
Be careful not to damage the grooves for the teflon ring.
(b)

Expand 4 new teflon rings with your fingers.

NOTICE:
Be careful not to over–expand the teflon ring.
(c)

Coat the rings with power steering fluid.

(d)

Install the rings to the control valve assembly, and settle
them down with your fingers.