Infiniti QX4 (R50). Manual — part 591

SMT905C

3.

Remove thrust needle bearing from press flange.

SMT906C

4.

Remove seal ring from mainshaft.

I

Do not reuse seal ring.

SMT907C

5.

Set a drift (KV31103300), a support ring (KV40104710), a sup-
port ring (ST27863000) and a drift (ST35271000) to press
flange as shown in the figure. Press drift until snap ring is out
of place.

SMT908C

6.

Remove snap ring from mainshaft.

I

Do not reuse snap ring.

SMT909C

7.

Remove washer.

DISASSEMBLY

Center Case (Cont’d)

TF-126

SMT910C

8.

Remove press flange from mainshaft.

SMT911C

9.

Remove return spring assembly from clutch hub.

SMT912C

10. Remove each plate from clutch drum.

SMT913C

11. Remove snap ring from mainshaft.

I

Do not reuse snap ring.

SMT914C

12. Tap mainshaft with a plastic hammer to remove it from clutch

drum and clutch hub.

13. Remove needle bearing from mainshaft.

GI

MA

EM

LC

EC

FE

AT

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

DISASSEMBLY

Center Case (Cont’d)

TF-127

SMT915C

Clutch Piston

NBTF0078S03

1.

Remove oil pressure check plug from oil pressure check port.

SMT916C

2.

Apply air gradually from oil pressure check port, and remove
clutch piston from center case.

SMT917C

3.

Remove lip seal and D-ring from clutch piston.

I

Do not reuse lip seal and D-ring.

4.

Remove thrust needle bearing race from clutch piston by hook-
ing a screwdriver edge into 4 notches of thrust needle bearing
race.

Control Valve

NBTF0078S04

CAUTION:

I

Do not reuse any part that has been dropped or damaged.

I

Make sure valve is assembled in the proper direction.

I

Do not use a magnet because residual magnetism stays
during disassembly.

SMT918C

1.

Remove bolts, and detach oil strainer.

DISASSEMBLY

Center Case (Cont’d)

TF-128

SMT919C

2.

Remove O-rings from oil strainer.

I

Do not reuse O-rings.

SMT920C

3.

Remove bolts for control valve.

SMT921C

4.

Remove snap ring. Then push terminal assembly into center
case to remove control valve assembly.

SMT922CA

5.

Remove lip seals from center case.

I

Do not reuse lip seals.

I

There are two kinds of lip seals (lip seal of large inner
diameter: 5 pieces, lip seal of small inner diameter: 2
pieces). Confirm the position before disassembly.

SMT923C

6.

Remove all bolts except for two.

GI

MA

EM

LC

EC

FE

AT

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

DISASSEMBLY

Center Case (Cont’d)

TF-129