Infiniti QX4 (R50). Manual — part 84
SAT905A
8.
After installing, check to assure that forward clutch hub rotates
clockwise.
Band Servo Piston Assembly
COMPONENTS
NBAT0148
SAT161K
SAT909A
DISASSEMBLY
NBAT0149
1.
Block one oil hole in OD servo piston retainer and the center
hole in OD band servo piston.
2.
Apply compressed air to the other oil hole in piston retainer to
remove OD band servo piston from retainer.
3.
Remove D-ring from OD band servo piston.
SAT910A
4.
Remove band servo piston assembly from servo piston
retainer by pushing it forward.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Rear Internal Gear and Forward Clutch Hub (Cont’d)
AT-333
SAT911A
5.
Place piston stem end on a wooden block. While pushing
servo piston spring retainer down, remove E-ring.
SAT912A
6.
Remove servo piston spring retainer, return spring C and pis-
ton stem from band servo piston.
SAT913A
7.
Remove E-ring from band servo piston.
SAT914A
8.
Remove servo cushion spring retainer from band servo piston.
9.
Remove D-rings from band servo piston.
10. Remove O-rings from servo piston retainer.
SAT915A
INSPECTION
NBAT0150
Pistons, Retainers and Piston Stem
NBAT0150S01
I
Check frictional surfaces for abnormal wear or damage.
REPAIR FOR COMPONENT PARTS
Band Servo Piston Assembly (Cont’d)
AT-334
SAT162K
Return Springs
NBAT0150S02
I
Check for deformation or damage. Measure free length and
outer diameter.
Inspection standard:
Refer to SDS, AT-357.
SAT917A
ASSEMBLY
NBAT0151
1.
Install O-rings onto servo piston retainer.
I
Apply ATF to O-rings.
I
Pay attention to position of each O-ring.
SAT918A
2.
Install servo cushion spring retainer onto band servo piston.
SAT919A
3.
Install E-ring onto servo cushion spring retainer.
SAT920A
4.
Install D-rings onto band servo piston.
I
Apply ATF to D-rings.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Band Servo Piston Assembly (Cont’d)
AT-335
SAT912A
5.
Install servo piston spring retainer, return spring C and piston
stem onto band servo piston.
SAT921A
6.
Place piston stem end on a wooden block. While pushing
servo piston spring retainer down, install E-ring.
SAT922A
7.
Install band servo piston assembly onto servo piston retainer
by pushing it inward.
SAT923A
8.
Install D-ring on OD band servo piston.
I
Apply ATF to D-ring.
SAT924A
9.
Install OD band servo piston onto servo piston retainer by
pushing it inward.
REPAIR FOR COMPONENT PARTS
Band Servo Piston Assembly (Cont’d)
AT-336
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