Lexus ES300 (2002 year). Service manual - part 417

D09189

D03595

D03596

SST

D26398

SST

D26763

-

AUTOMATIC TRANSMISSION / TRANS

AUTOMATIC TRANSAXLE ASSY (U150E)

40-31

53

U150E A/T REPAIR MANUAL   (RM913U)

65.

INSPECT 1ST & REVERSE BRAKE CLUTCH DISC

(a)

Check to see if the sliding surface of the disc, plate and
flange are worn or burnt.

If necessary, replace them.
NOTICE:

If the lining of the disc comes off or discolors, or even
if a part of the groove is defaced, replace all discs.

Before assembling new discs, soak them in ATF for
at least 15 minutes.

66.

REMOVE FRONT PLANETARY GEAR ASSY

(a)

Using a chisel and hammer, unstake the lock washer.

NOTICE:
Push down all claws of the washer. Otherwise SST cannot
be fully pressed against the nut, and cannot loosen the nut.

(b)

Using SST, remove the nut.
SST

09387-00030, 09387-00080

(c)

Using SST and a press, remove the front planetary gear
assy from the counter drive gear.
SST

09950- 60010 (09951- 00450), 09950- 70010
(09951-07100)

(d)

Remove the front planetary gear assy from the brake hub.

D03615

D03600

SST

D26712

D26405

40-32

-

AUTOMATIC TRANSMISSION / TRANS

AUTOMATIC TRANSAXLE ASSY (U150E)

54

U150E A/T REPAIR MANUAL   (RM913U)

67.

REMOVE FRONT PLANETARY RING GEAR

(a)

Using a screwdriver, remove the snap ring and front plan-
etary ring gear from the brake hub.

68.

REMOVE 1ST & REVERSE BRAKE RETURN SPRING
SUB-ASSY

(a)

Place SST on the return spring, and compress the return
spring with a press.
SST

09387-00070

(b)

Using a snap ring exspander, remove the snap ring.

NOTICE:

Stop the press when the spring sheet is lowered 1 -
2 mm (0.039 - 0.078 in.) from the snap ring groove, to
prevent the spring sheet from deforming.

Do not expand the snap ring excessively.

69.

INSPECT 1ST & REVERSE BRAKE RETURN SPRING
SUB-ASSY

(a)

Using a vernier calipers, measure the free length of the
spring together with the spring seat.
Standard free length: 15.53 mm (0.6114 in.)

70.

REMOVE 1ST & REVERSE BRAKE PISTON

(a)

Apply compressed air (392 kPa, 4.0 kgf/cm

2

, 57 psi) to the

transaxle case to remove 1st & reverse brake piston.

NOTICE:

Blowing off the air may cause the piston to jump-out.
When removing the piston, hold it by your hand using
a waste cloth.

Take care not to splash ATF  when  air-blowing.

D26713

D26399

SST

SST

D03602

D03603

SST

Hold

Turn

D26467

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AUTOMATIC TRANSMISSION / TRANS

AUTOMATIC TRANSAXLE ASSY (U150E)

40-33

55

U150E A/T REPAIR MANUAL   (RM913U)

(b)

Remove the 2 O-rings from the 1st & reverse brake pis-
ton.

71.

REMOVE COUNTER DRIVE GEAR

(a)

Using SST and a press, remove the counter drive gear
from the transaxle case.
SST

09950- 60010 (09951- 00590), 09950- 70010
(09951-07100)

(b)

As shown in the illustration, tighten 2 bolts evenly and
make clearance of approx. 20.0 mm (0.797 in.) between
the counter drive gear and the inner race.

(c)

Using SST, remove the tapered roller bearing.
SST

09950- 60010 (09951- 00590), 09950- 70010
(09951-07100),  09950-00020, 09950-00030,
09950-4001 1 (09957-04010)

72.

REMOVE COUNTER DRIVE GEAR BEARING

(a)

Using a snap ring exspander, remove the snap ring.

D26408

SST

D26407

SST

D03806

D26406

40-34

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AUTOMATIC TRANSMISSION / TRANS

AUTOMATIC TRANSAXLE ASSY (U150E)

56

U150E A/T REPAIR MANUAL   (RM913U)

(b)

Using SST and a press, remove the bearing outer race.
SST

09950- 60020 (09951- 00910), 09950- 70010
(09951-07100)

73.

REMOVE BREATHER PLUG NO.2 (ATM)

74.

REMOVE UNDERDRIVE BRAKE RETURN SPRING
SUB-ASSY

(a)

Place SST on the return spring, and compress the return
spring with a press.
SST

09387-00020

(b)

Using a snap ring exspander, remove the snap ring.

NOTICE:

Stop the press when the spring sheet is lowered 1 -
2 mm (0.039 - 0.078 in.) from the snap ring groove, to
prevent the spring sheet from deforming.

Do not expand the snap ring excessively.

75.

INSPECT UNDERDRIVE BRAKE RETURN SPRING
SUB-ASSY

(a)

Using a vernier calipers, measure the free length of the
spring together with the spring seat.
Standard free length: 14.04 mm (0.5528 in.)

76.

REMOVE UNDERDRIVE BRAKE PISTON

(a)

Apply compressed air (392 kPa, 4.0 kgf/cm

2

, 57 psi) to the

transaxle case to remove the U/D brake piston.