Lexus RX300 (MCU15). Service manual — part 106

D03365

D02944

D02943

D02942

AX–8

–

AUTOMATIC TRANSAXLE

NEUTRAL START SWITCH

LEXUS RX300 (RM785E)

(b)

Install a new lock plate and nut.
Torque: 6.9 N·m (70 kgf·cm, 61 in.·lbf)

(c)

Bend the claws on the lock plate to fix the nut.

(d)

Install the control shaft lever with the nut.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)

(e)

Connect the shift control cable to the control shaft.
Torque: 15 N·m (150 kgf·cm, 11 ft·lbf)

5.

CONNECT NEUTRAL START SWITCH CONNECTOR

6.

CHECK NEUTRAL START SWITCH OPERATION

Check that the engine can be started with the shift lever only in
the N or P range, but not in other range.
If the engine can not be stated not as started above, carry out
the adjustment procedure (See page DI–144).
7.

INSTALL ENGINE UNDER COVER

8.

TEST DRIVE VEHICLE

D03329

AX09P–01

D02941

AT0103

D02933

D02934

–

AUTOMATIC TRANSAXLE

VALVE BODY ASSEMBLY

AX–9

LEXUS RX300 (RM785E)

VALVE BODY ASSEMBLY

ON–VEHICLE REPAIR

1.

REMOVE ENGINE UNDER COVER

2.

REMOVE DRAIN PLUG AND DRAIN ATF

3.

REMOVE OIL PAN AND GASKET

NOTICE:
Some fluid will remain in the oil pan.
Remove the 18 bolts, and carefully remove the oil pan assem-
bly. Discard the gasket.

4.

EXAMINE PARTICLES IN OIL PAN

Remove the magnets and use them to collect any steel chips.
Look carefully at the chips and particles in the pan and on the
magnet to anticipate what type of wear you will find in the trans-
axle.
Steel (magnetic)...bearing, gear and plate wear
Brass (non–magnetic)... bushing wear

5.

REMOVE OIL STRAINER

(a)

Remove the 3 bolts and oil strainer.

(b)

Remove the O–ring.

6.

DISCONNECT 5 SHIFT SOLENOID VALVE CONNEC-
TORS

7.

REMOVE ATF TEMPERATURE SENSOR

Remove the bolt and lock plate, and remove the ATF tempera-
ture sensor.
8.

SEPARATE WIRE HARNESS FROM 2 CLAMPS

D02935

D02936

D02937

D02938

B

A

A

B

B

D02937

AX–10

–

AUTOMATIC TRANSAXLE

VALVE BODY ASSEMBLY

LEXUS RX300 (RM785E)

9.

REMOVE VALVE BODY

Remove the 17 bolts and valve body.
NOTICE:
Be careful not to drop the check valve body, spring and ac-
cumulator piston.

10.

REMOVE CHECK BALL BODY AND SPRING

11.

REMOVE 3 APPLY GASKETS

12.

REMOVE SHIFT SOLENOID VALVE

Remove the 5 bolts and 5 shift solenoid valves.
13.

INSTALL SHIFT SOLENOID VALVE

Install the 5 shift solenoid valves with the 5 bolts.

Torque:
Bolt A: 6.6 N·m (67 kgf·cm, 58 in.·lbf)
Bolt B: 11 N·m (110 kgf·cm, 8 ft·lbf)
Bolt length:
Bolt A: 12 mm (0.47 in.)
Bolt B: 45 mm (1.77 in.)

14.

INSTALL APPLY GASKET

(a)

Coat 3 new apply gaskets with ATF.

(b)

Install the gaskets to the transaxle case.

D02936

D02935

C

A

B

B

C

B

C

B

A

C

D02934

D02939

–

AUTOMATIC TRANSAXLE

VALVE BODY ASSEMBLY

AX–11

LEXUS RX300 (RM785E)

15.

INSTALL CHECK VALVE AND SPRING

16.

INSTALL VALVE BODY

(a)

Align the groove of the manual valve with the pin of the
manual valve lever.

(b)

Temporarily install the valve body with the 17 bolts.
Bolt length:
Bolt A: 25 mm (0.98 in.)
Bolt B: 41 mm (1.61 in.)
Bolt C: 45 mm (1.77 in.)

(c)

Check that the manual valve lever contacts the center of
the roller at the tip of the detent spring.

(d)

Tighten the 17 bolts.
Torque: 11 N·m (110 kgf·cm, 8 ft·lbf)

17.

CLAMP WIRE HARNESS TO 2 CLAMPS

18.

INSTALL ATF TEMPERATURE SENSOR

Install the ATF temperature sensor with the lock plate and bolt.

Torque: 6.6 N·m (67 kgf·cm, 58 in.·lbf)

19.

CONNECT 5 SHIFT SOLENOID VALVE CONNECTORS

20.

INSTALL OIL STRAINER

(a)

Coat a new O–ring with ATF.

(b)

Install the O–ring to the oil strainer.