Lexus RX300 (MCU15). Service manual - part 594

AX0BG–02

D03083

D03084

D03085

D03086

D03087

–

AUTOMATIC TRANSAXLE

TRANSFER

AX–119

U140F AX   (RM848E)

DISASSEMBLY

1.

REMOVE GASKET

2.

REMOVE DIFFERENTIAL SIDE GEAR INTERMEDI-
ATE NO.2

3.

REMOVE CASE COVER NO.1

(a)

Remove the 8 bolts.

(b)

Using a brass bar and hammer, remove the case cover
No.1.

NOTICE:
Be careful not to damage the transfer case and case cover
No.1.

(c)

Remove a bolt and breather oil deflector from the case
cover No.1.

4.

REMOVE PIN

Remove the 4 pins from the transfer case.
5.

REMOVE STUD BOLT

Remove the 4 stud bolts from the transfer case.
6.

INSTALL TRANSFER ON OVERHAUL ATTACHMENT

D03089

D03090

SST

D03091

D03092

D03093

SST

AX–120

–

AUTOMATIC TRANSAXLE

TRANSFER

U140F AX   (RM848E)

7.

REMOVE EXTENSION HOUSING

(a)

Using plastic hammer, remove the dust deflector from the
extension housing.

(b)

Using SST, remove the oil seal from the extension hous-
ing.
SST

09308–00010

NOTICE:
Be careful not to damage the extension housing.

(c)

Remove the 4 bolts.

(d)

Using a plastic hammer, remove the extension housing.

8.

CHECK PRELOAD

(a)

Using SST and a torque wrench, measure the driven pin-
ion preload of the backlash between the driven pinion and
ring gear.
SST

09326–20011

Preload (at starting):
0.9 – 1.3 N·m (9 – 13 kgf·cm, 7.8 – 11.5 in.·lbf)

D03094

D03095

D03096

SST

–

AUTOMATIC TRANSAXLE

TRANSFER

AX–121

U140F AX   (RM848E)

HINT:

S

Using a torque wrench with a fulcrum length of 160 mm
(6.3 in.).

S

This torque value is effective in case that SST is parallel
to a torque wrench.

(b)

Using SST and the torque wrench, measure the total pre-
load.
SST

09326–20011

Total preload (at starting):
1.0 – 1.6 N·m (10 – 16 kgf·cm, 8.9 – 13.8 in.·lbf)

HINT:

S

Using a torque wrench with a fulcrum length of 160 mm
(6.3 in.).

S

This torque value is effective in case that SST is parallel
to a torque wrench.

9.

CHECK RING GEAR BACK

Using a dial indicator, measure the ring gear backlash.

Backlash: 0.10 – 0.15 mm

10.

CHECK TOOTH CONTACT
(See page AX–127)

11.

REMOVE CENTER DIFFERENTIAL LOCK SLEEVE

(a)

Using a snap ring pliers, remove the shaft snap ring.

(b)

Using SST, remove the center differential lock sleeve.
SST

09308–00010

NOTICE:
Be careful not to damage the center differential lock sleeve.

D03097

D03098

SST

D03099

SST

D03100

D03101

O–ring

AX–122

–

AUTOMATIC TRANSAXLE

TRANSFER

U140F AX   (RM848E)

(c)

Using a screwdriver, remove the O–ring from the center
differential lock sleeve.

NOTICE:
Be careful not to damage the center differential lock sleeve.

12.

REMOVE OIL SEAL

Using SST, remove the oil seal from the transfer case.

SST

09308–00010

NOTICE:
Be careful not to damage the transfer case.

13.

REMOVE BEARING RETAINER RH

(a)

Using SST, remove the oil seal from the bearing retainer
RH.
SST

09308–00010

NOTICE:
Be careful not to damage the bearing retainer.

(b)

Remove the 7 bolts and bearing retainer RH from the
transfer case.

(c)

Using a screwdriver, remove the 2 O–rings from the bear-
ing retainer RH.

NOTICE:
Be careful not to damage the bearing retainer RH.