Lexus LS400 (2000 year). Manual — part 4

AT4184

–

AUTOMATIC TRANSMISSION

TORQUE CONVERTER CLUTCH AND DRIVE PLATE

AT–23

1530

3.

MEASURE TORQUE CONVERTER CLUTCH SLEEVE
RUNOUT

(a)

Temporarily mount the torque converter clutch to the drive
plate. Set up a dial indictor.
Maximum runout: 0.30 mm (0.0118 in.)

If runout exceeds 0.30 mm (0.0118 in.), try to correct by reori-
enting the installation of the torque converter clutch.
If excessive runout cannot be corrected, replace the torque
converter clutch.
HINT:
Mark the position of the torque converter clutch to ensure cor-
rect installation.
(b)

Remove the torque converter clutch.

AT035–01

D01008

D01009

D01010

D01011

SST

–

AUTOMATIC TRANSMISSION

EXTENSION HOUSING OIL SEAL

AT–3

1510

EXTENSION HOUSING OIL SEAL

ON–VEHICLE REPAIR

1.

DRAIN ATF

2.

REMOVE FRONT EXHAUST PIPE AND HEAT INSULA-
TOR
(See page

AT–16

)

3.

REMOVE PROPELLER SHAFT
(See page

PR–3

)

4.

REMOVE TRANSMISSION OUTPUT FLANGE

(a)

Using a chisel and hammer, loosen the staked part of the
nut.

HINT:
Shift the shift lever to the P position.

(b)

Using a 30 mm deeper socket wrench, remove the nut.

(c)

Tap the output flange with a plastic hammer to remove it.

(d)

Using a screwdriver, remove the oil seal from the output
flange.

5.

REMOVE EXTENSION HOUSING REAR OIL SEAL

Using SST, remove the oil seal.

SST

09308–00010

D01012

SST

Q08511

SST

D01009

D01008

AT–4

–

AUTOMATIC TRANSMISSION

EXTENSION HOUSING OIL SEAL

1511

6.

INSTALL EXTENSION HOUSING REAR OIL SEAL

(a)

Coat the lip of a new oil seal with MP grease.

(b)

Using SST and a hammer, drive in the oil seal with the lip
facing downward.
SST

09309–37010

Oil seal depth from flat end: 2.0 mm (0.079 in.)

7.

INSTALL TRANSMISSION OUTPUT FLANGE

(a)

Using SST and a hammer, drive in a new oil seal.
SST

09950–60010 (09951–00350), 09950–70010
(09951–07100)

(b)

Install the output flange.

(c)

Using a 30 mm deeper socket wrench, install and torque
a new nut.
Torque: 123 N·m (1,250 kgf·cm, 90 ft·lbf)

HINT:
Shift the shift lever to P position.

(d)

Using a chisel and hammer, stake the nut.

8.

INSTALL PROPELLER SHAFT
(See page

PR–9

)

9.

INSTALL FRONT EXHAUST PIPE AND HEAT INSULA-
TOR
(See page

AT–16

)

10.

FILL AND CHECK FLUID LEVEL
(See page

DI–173

)

AT036–01

D00910

Q07487

SST

AT0103

–

AUTOMATIC TRANSMISSION

ATF TEMPERATURE SENSOR

AT–5

1512

ATF TEMPERATURE SENSOR

ON–VEHICLE REPAIR

CAUTION:

When working with FIPG material, you must observe the follow-

ing items.

Using a razor blade and gasket scraper, remove all the old

FIPG material from the gasket surfaces.

Thoroughly clean all components to remove all the loose

material.

Clean both sealing surfaces with a non–residue solvent.

Apply FIPG in an approx. 1 mm (0.04 in.) wide bead along

the sealing surface.

Parts must be assembled within 10 minutes of application.

Otherwise, the FIPG material must be removed and reap-

plied.

1.

REMOVE DRAIN PLUG WITH GASKET AND DRAIN
ATF

2.

REMOVE OIL PAN

NOTICE:
Some fluid will remain in the oil pan.
(a)

Remove the 19 bolts.

(b)

Install the blade of SST between the transmission case
and oil pan, cut off applied sealer, and remove the oil pan.
SST

09032 – 00100

NOTICE:
When removing the oil pan, be careful not to damage the oil
pan flange.

3.

EXAMINE PARTICLES IN PAN

Remove the magnets and use them to collect steel particles.
Carefully look at the foreign matter and particles in the pan and
on the magnets to anticipate the type of wear you will find in the
transmission.
Steel (magnetic) ... bearing, gear and clutch plate wear
Brass (non–magnetic) ... bushing wear