Lexus GS300/400 (2000 year). Service manual — part 31

D01012

SST

Q08511

SST

D01009

D01008

AT–4

–

AUTOMATIC TRANSMISSION

EXTENSION HOUSING OIL SEAL

1952

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: 126 N·m (1,280 kgf·cm, 93 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–10

)

9.

INSTALL FRONT EXHAUST PIPE AND HEAT INSULA-
TOR
1UZ–FE Engine: (See page EM–120)
2JZ–GE Engine: (See page EM–97)

10.

FILL AND CHECK FLUID LEVEL
(See page

DI–318

)

AT069–01

Q03794

AT–32

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (2JZ–GE)

1980

INSTALLATION

1.

CHECK TORQUE CONVERTER CLUTCH INSTALLA-
TION

Using calipers and a straight edge, measure from the distance
from the installed surface of the transmission housing to the
installed surface of the torque converter clutch.

Correct distance: More than 0.1 mm (0.004 in.)

If the distance is less than the standard, check for an improper
installation.

2.

INSTALL TRANSMISSION

Installation is in the reverse order of removal.
(See page

AT–28

)

HINT:
After installation, check and inspect items as follows.

Adjust the shift lever position. (See page

DI–318

)

Fill ATF and check fluid level. (See page

DI–318

)

Do the road test. (See page

DI–318

)

AT06A–01

D01049

Oil Cooler Pipe

Connector and Wire Harness

Level Gauge

Torque Converter Clutch

Flywheel Housing
Under Cover

Plug for Line
Pressure Test

Front and Center Exhaust Pipe

Propeller Shaft Assembly

Heated Oxygen Sensor

Pipe Support Bracket

RH Front TWC

Engine Under Cover

Heat Insulator

Ground Cable

Heat Insulator

Gasket

O–Ring

x6

Adjusting Washer

Filler Pipe

44 (450, 33)

79 (805, 58)

37 (375, 27)

79 (805, 58)

13 (130, 9)

37 (380, 27)

18 (185, 13)

44 (450, 33)

44 (450, 33)

62 (630, 46)

62 (630, 46)

72 (730, 53)

37 (380, 27)

48 (490, 35)

44 (450, 33)

44 (450, 33)

5.4 (55, 48 in.·lbf)

5.4 (55, 48 in.·lbf)

Heat Insulator

26 (270, 20)

Gasket

LH Front TWC

44 (450, 33)

Gasket

Gasket

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

Non–reusable part

Heat Insulator

5.4 (55, 48 in.·lbf)

44 (450, 33)

44 (450, 33)

O–Ring

Heated Oxygen
Sensor

Front Floor
Center Brace

7.4 (75, 65 in.·lbf)

x6

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

AT–33

1981

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

COMPONENTS

AT06B–01

D01050

D01051

D00999

AT–34

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

1982

REMOVAL

1.

REMOVE LEVEL GAUGE

2.

RAISE VEHICLE

NOTICE:
Make sure that the vehicle is securely supported.
3.

REMOVE ENGINE UNDER COVER

4.

REMOVE FRONT AND CENTER EXHAUST PIPES

(a)

Disconnect he 2 heated oxygen sensor.
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

HINT:
At the time of installation, please refer to the following items.

Before installing the heated oxygen sensor, twist the sen-
sor wire counterclockwise 3 and 1/2 turns.

After installing the heated oxygen sensor wire should not
twist. If it is twisted, remove the heated oxygen sensor
and reinstall it.

(b)

Remove the 2 bolts and front floor center brace.
Torque: 7.4 N·m (75 kgf·cm, 65 in.·lbf)

(c)

Remove the 4 bolts, nuts and 2 gaskets from the LH and
RH front TWC.
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

HINT:
At the time of installation, please refer to the following item.
Replace the used nuts and gaskets with new ones.
(d)

Remove the 2 bolts and support bracket.
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

(e)

Remove the 4 bolts and 2 gaskets from the tail pipe.
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

HINT:
At the time of installation, please refer to the following item.
Replace the used gaskets with new ones.
(f)

Disconnect the front and center exhaust pipes from the 2
O–rings and remove them.

5.

REMOVE LH AND RH FRONT TWC

Remove the 6 nuts, 2 gaskets, LH and RH front TWC.

Torque: 62 N·m (630 kgf·cm, 46 ft·lbf)

HINT:
At the time of installation, please refer to the following item.
Replace the used nuts and gaskets with new ones.