2004 INFINITI QX56 Factory Service Manual

Page 3241 of 3371

INFINITI QX56 2004  Factory Service Manual TF-116
CENTER CASE
Revision: August 20072004 QX56
MAINSHAFT AND CLUTCH DRUM
1. Set center case on press stand. Remove mainshaft from center
case.
2. Remove thrust needle bearing from press flange.
3.

Page 3242 of 3371

INFINITI QX56 2004  Factory Service Manual CENTER CASE
TF-117
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
5. Remove snap ring from mainshaft, using suitable tool.
6. Remove press flange from mainshaft.
7. Remove return spring asse

Page 3243 of 3371

INFINITI QX56 2004  Factory Service Manual TF-118
CENTER CASE
Revision: August 20072004 QX56
10. Tap mainshaft, using suitable tool to remove it from clutch drum
and clutch hub.
11. Remove needle bearing and spacer from the mainshaft.
12. Remo

Page 3244 of 3371

INFINITI QX56 2004  Factory Service Manual CENTER CASE
TF-119
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
3. Remove the two D-rings from clutch piston.
4. Remove thrust needle bearing race from clutch piston, using
suitable tool b

Page 3245 of 3371

INFINITI QX56 2004  Factory Service Manual TF-120
CENTER CASE
Revision: August 20072004 QX56
3. Remove control valve assembly bolts.
4. Remove snap ring. Then push connector assembly into center
case to remove control valve assembly.
5. Remove

Page 3246 of 3371

INFINITI QX56 2004  Factory Service Manual CENTER CASE
TF-121
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
8. Remove O-rings from each solenoid valve, switch and terminal body.
9. Place control valve with lower body facing up, remo

Page 3247 of 3371

INFINITI QX56 2004  Factory Service Manual TF-122
CENTER CASE
Revision: August 20072004 QX56
MAINSHAFT REAR BEARING
1. Remove mainshaft rear bearing from center case, using Tool 
MAIN OIL PUMP
1. Remove bolts as shown to detach main oil pump.

Page 3248 of 3371

INFINITI QX56 2004  Factory Service Manual CENTER CASE
TF-123
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
 SUB OIL PUMP
1. Remove bolts to detach transfer motor from center case. Then
remove O-ring from the transfer motor.
2. Remo