Lexus RX300 (MCU15). Service manual — part 566

AX11L–01

D03082

D03083

D03544

D03805

–

AUTOMATIC TRANSAXLE

COMPONENT PARTS

AX–7

U140F AX (RM848E)

DISASSEMBLY

1.

REMOVE TRANSFER ASSEMBLY

(a)

Remove the 2 bolts and 6 nuts.

(b)

Using a plastic hummer, remove the transfer assembly
from the transaxle assembly.

NOTICE:

S

Pull the transfer straight up and remove it from the
transaxle.

S

Pulling up the transfer case by inserting your fingers
into the holes on both sides may cause damage to the
oil seal lip. Be careful not to damage it.

2.

REMOVE GASKET AND INTERMEDIATE SHAFT

3.

REMOVE NEUTRAL START SWITCH

(a)

Remove the nut, washer and control shaft lever.

(b)

Using a screwdriver, unstake the nut stopper.

(c)

Remove the 2 bolts, nut stopper, nut, and neutral start
switch.

4.

REMOVE UNION AND ELBOW

(a)

Remove the union and elbow.

(b)

Remove the 2 O–rings from the union and elbow.

D03900

D03901

D03547

D09176

D09177

AX–8

–

AUTOMATIC TRANSAXLE

COMPONENT PARTS

U140F AX (RM848E)

5.

REMOVE SPEED SENSOR

(a)

Remove the 2 bolts and 2 speed sensors from the trans-
axle.

(b)

Remove the 2 O–rings from the sensors.

6.

REMOVE TRANSAXLE CASE PLUG NO.1

(a)

Remove the transaxle case plug No.1 from the transaxle
case.

(b)

Remove the O–ring from the transaxle case plug No.1.

7.

REMOVE SOLENOID WIRE RETAINING BOLT

NOTICE:
Remove the bolt only and do not remove the solenoid wire.

8.

PLACE TRANSAXLE ON WOODEN BLOCKS

NOTICE:
Be careful not to damage the oil seal.

9.

REMOVE OIL PAN AND GASKET

(a)

Remove the 18 bolts.

(b)

Remove the oil pan and gasket.

AT0103

D09637

D03636

D09179

D09180

–

AUTOMATIC TRANSAXLE

COMPONENT PARTS

AX–9

U140F AX (RM848E)

10.

EXAMINE PARTICLES IN PAN

Remove the magnets and use them to collect any steel chips.
Examine the chips and particles in the pan and on the magnet
to determine what type of wear has occurred in the transaxle:
Steel (magnetic). . bearing, gear and plate wear
Brass (non–magnetic). . bushing wear

11.

REMOVE SOLENOID WIRE

(a)

Remove the 5 connectors from the shift solenoid valves.

(b)

Remove the bolt, the clamp and the ATF temperature
sensor.

(c)

Remove the solenoid wire from the transaxle case.

(d)

Remove the O–ring from the solenoid wire.

12.

REMOVE OIL STRAINER

(a)

Remove the 3 bolts and oil strainer.

(b)

Remove the gasket from the oil strainer.

D03553

D10705

D03554

D03555

D03556

AX–10

–

AUTOMATIC TRANSAXLE

COMPONENT PARTS

U140F AX (RM848E)

13.

REMOVE VALVE BODY ASSEMBLY

Support the valve body assembly and remove the 17 bolts and
valve body assembly.

14.

REMOVE 3 APPLY GASKETS

15.

REMOVE CHECK BALL BODY

Remove the check ball body and spring.

16.

REMOVE ACCUMULATOR SPRING AND PISTON

(a)

Remove the spring from the C

3

accumulator piston.

(b)

Apply compressed air (392 kPa, 4.0 kgf/cm

2

, 57 psi) to the

oil hole and remove the C

3

accumulator piston.

NOTICE:

S

Blowing off the air may cause the piston’s jump–out.
When removing the piston, hold it with your hand us-
ing a waste cloth.

S

Take care not to splash ATF when air–blowing.