Lexus GS300/400 (2000 year). Service manual — part 33

AT5436

SST

AT06D–01

AT5437

Lock

Free

Q03546

AT4184

–

AUTOMATIC TRANSMISSION

TORQUE CONVERTER CLUTCH AND DRIVE PLATE

AT–39

1987

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

INSPECTION

1.

INSPECT ONE–WAY CLUTCH

(a)

Install SST so that it fits in the notch of the converter hub
and outer race of the one–way clutch.
SST

09350–30020 (09351–32020)

(b)

Press on the serrations of stater with a finger and rotate
it.
Check if it rotates smoothly when turned clockwise and
locks up when turned counterclockwise.

2.

MEASURE DRIVE PLATE RUNOUT AND INSPECT
RING GEAR

Set up a dial indicator and measure the drive plate runout.

Maximum runout: 0.20 mm (0.0079 in.)

If runout exceeds 0.20 mm (0.0079 in.) or if the ring gear is dam-
aged, replace the drive plate. If installing a new drive plate, note
the orientation of spacers and tighten the bolts.

Torque: 83 N·m (850 kgf·cm, 61 ft·lbf)

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.

AT05Y–01

D00910

Q07487

SST

AT0103

–

AUTOMATIC TRANSMISSION

ATF TEMPERATURE SENSOR

AT–5

1953

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

D00752

D00753

D00909

D00916

D00909

AT–6

–

AUTOMATIC TRANSMISSION

ATF TEMPERATURE SENSOR

1954

4.

REMOVE OIL STRAINER

NOTICE:
Be careful as some fluid will come out of the oil strainer.
(a)

Remove the 4 bolts and oil strainer.

(b)

Remove the 3 gaskets from the oil strainer.

5.

REMOVE SOLENOID WIRING WITH ATF TEMPERA-
TURE SENSOR

(a)

Disconnect the ATF temperature sensor.

(b)

Remove the bolt and clamp.

(c)

Disconnect the 7 connectors from the solenoid valves.

(d)

Remove the bolt and pull out the solenoid connector.

6.

INSTALL SOLENOID WIRING WITH ATF TEMPERA-
TURE SENSOR

(a)

Install the solenoid connector with the bolt.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)

(b)

Connect the 7 connectors to the solenoid valves.

(c)

Install the clamp with the bolt.
Torque: 6.4 N·m (65 kgf·cm, 56 in.·lbf)

(d)

Connect the ATF temperature sensor.

D00753

D00752

D00912

D01917

Seal Breadth 2

∼

3 mm (0.08

∼

0.12 in.)

D00910

”A”

–

AUTOMATIC TRANSMISSION

ATF TEMPERATURE SENSOR

AT–7

1955

7.

INSTALL OIL STRAINER

(a)

Install 3 new gaskets.

(b)

Install the oil strainer with the 4 bolts.
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)

8.

INSTALL OIL PAN

(a)

Install the 3 magnets in the indications of the oil pan.

(b)

Remove any packing material and be careful not to drop
oil on the contacting surfaces of the transmission case
and oil pan.

(c)

Apply FIPG to the oil pan.
FIPG:
Part No. 08826 – 00090, THREE BOND 1281 or
equivalent

(d)

Install the oil pan with the 19 bolts.
Torque: 7.4 N·m (75 kgf·cm, 65 in.·lbf)

HINT:
Replace the only ”A” bolt with a new one.
9.

INSTALL DRAIN PLUG WITH NEW GASKET
Torque: 20 N·m (205 kgf·cm, 15 ft·lbf)

10.

FILL FLUID AND CHECK FLUID
(See page

DI–318

)