Lexus GS300/400 (2000 year). Manual — part 32

D01052

D01044

D01002

D01053

D01004

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

AT–35

1983

6.

REMOVE HEAT INSULATOR

Remove the 2 nuts, 3 bolts and 2 heat insulators.
7.

REMOVE BOLT AND FILLER PIPE

HINT:
At the time of installation, please refer to the following item.
Replace the used O–ring with a new one.
8.

REMOVE PROPELLER SHAFT
(See page

PR–4

)

9.

DISCONNECT SHIFT CONTROL ROD

Remove the nut and disconnect the rod.

Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)

10.

DISCONNECT OIL COOLER PIPE

(a)

Loosen the 2 union nuts from the transmission.
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

NOTICE:
Be careful not to damage the oil cooler pipe.

(b)

Disconnect the 3 set bolts of the clamp.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)

(c)

Disconnect the 2 oil cooler pipes from the transmission.

11.

REMOVE TORQUE CONVERTER CLUTCH MOUNT-
ING BOLT

(a)

Remove the 2 bolts and flywheel housing under cover.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)

D01005

Q03721

D01048

Q06925

AT–36

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

1984

(b)

Turn the crankshaft to gain access to each bolt.

(c)

Hold the crankshaft pulley nut with a wrench and remove
the 6 bolts.
Torque: 48 N·m (490 kgf·cm, 35 ft·lbf)

HINT:
At the time of installation, please refer to the following item.
First install the black colored bolt and then the 5 other bolts.

12.

SUPPORT TRANSMISSION WITH JACK

13.

REMOVE 4 ENGINE REAR MOUNTING SET BOLTS
Torque: 26 N·m (270 kgf·cm, 20 ft·lbf)

14.

DISCONNECT CONNECTORS AND WIRE HARNESS

(a)

Tilt down the transmission.

NOTICE:
Take care so that the cooling fan does not come in contact
with the fan shroud.
(b)

Disconnect the following connectors:
(1)

O/D direct clutch speed sensor connector

(2)

Vehicle speed sensor connector

(3)

Park/neutral position switch connector

(4)

Solenoid connector

(c)

Disconnect the wire harness from the clamp on the trans-
mission.

Q03099

17 mm
Head

14 mm Head

17 mm Head

Q06924

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

AT–37

1985

15.

REMOVE TRANSMISSION

Remove the 10 bolts and transmission.

Torque:
17 mm head: 72 N·m (730 kgf·cm, 53 ft·lbf)
14 mm head: 37 N·m (380 kgf·cm, 27 ft·lbf)

HINT:
At the time of installation, please refer to the following item.
Lift the front side of the engine.

AT06C–01

D01007

AT–38

–

AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION UNIT (1UZ–FE)

1986

INSTALLATION

1.

CHECK TORQUE CONVERTER CLUTCH INSTALLA-
TION

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

Correct distance: More than 17.1 mm (0.673 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–34

)

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

)