Infiniti QX4 (R50). Manual — part 509
SPD475A
3.
Remove locking nut with Tool.
Tool number:
KV38108300 (J44195)
4.
Remove companion flange with puller.
SPD113
5.
Remove center bearing with Tool and press.
Tool number: ST30031000 (J22912-01)
SPD128
JOURNAL (71H AND 80B)
NBPD0007S02
1.
Put matchmarks on shaft and flange or yoke.
SPD731
2.
Remove snap ring.
SPD732
3.
Remove pushed out journal bearing by lightly tapping yoke
with a hammer, taking care not to damage journal and yoke
hole.
PROPELLER SHAFT
Disassembly (Cont’d)
PD-8
SPD131
4.
Remove bearing at opposite side in above operation.
Put marks on disassembled parts so that they can be rein-
stalled in their original positions from which they were
removed.
SPD114
Assembly
NBPD0008
CENTER BEARING — 2WD —
NBPD0008S03
I
When installing center bearing, position the “F” mark on cen-
ter bearing toward front of vehicle.
I
Apply a coat of multi-purpose lithium grease containing
molybdenum disulfide to the end face of the center bear-
ing and both sides of the washer.
SPD117
I
Stake the nut. Always use new one.
I
Align match marks when assembling tubes.
SPD133
JOURNAL (71H AND 80B)
NBPD0008S02
1.
Assemble journal bearing. Apply recommended multi-purpose
grease on bearing inner surface.
When assembling, be careful that needle bearing does not fall
down.
SPD134
2.
Select snap ring that will provide specified play in axial direc-
tion of journal, and install them.
Refer to SDS, PD-11.
Select snap rings with a difference in thickness at both sides
within 0.06 mm (0.0024 in).
GI
MA
EM
LC
EC
FE
AT
TF
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
PROPELLER SHAFT
Disassembly (Cont’d)
PD-9
SPD732
3.
Adjust thrust clearance between bearing and snap ring to zero
by tapping yoke.
SPD874
4.
Check to see that journal moves smoothly and check for axial
play.
Axial play: 0.02 mm (0.0008 in) or less
PROPELLER SHAFT
Assembly (Cont’d)
PD-10
Service Data and Specifications (SDS)
GENERAL SPECIFICATIONS
=NBPD0009
2WD Model
NBPD0009S01
Transmission
A/T
Propeller shaft model
3F80B-2BJ
Number of joints
3
Coupling method with transmission
Flange type
Type of journal bearings
Solid type (disassembly type — without birfield joint —)
Distance between yokes
mm (in)
80 (3.15)
Shaft length (Spider to spider)
mm (in)
1st
650 (25.59)
2nd
749 (29.49)
Shaft outer diameter
mm (in)
1st
75 (2.95)
2nd
65 (2.56)
4WD Model
NBPD0009S02
Location
Front
Rear
Propeller shaft model
2F71H
2S80B-T
Number of joints
2
Coupling method with transmission
Flange type
Sleeve type
Type of journal bearings
Solid type (disassembly type)
Distance between yokes
mm (in)
71 (2.80)
80 (3.15)
Shaft length (Spider to spider)
mm (in)
553 (21.77)
927 (36.50)
Shaft outer diameter
mm (in)
50.8 (2.000)
75 and 63.5 (2.95 and 2.500)
SERVICE DATA
NBPD0010
Unit: mm (in)
Propeller shaft runout limit
0.6 (0.024)
Journal axial play
0.02 (0.0008) or less
SNAP RING (80B)
NBPD0011
Unit: mm (in)
Thickness
Color
Part number*
1.99 (0.0783)
White
37146-C9400
2.02 (0.0795)
Yellow
37147-C9400
2.05 (0.0807)
Red
37148-C9400
2.08 (0.0819)
Green
37149-C9400
2.11 (0.0831)
Blue
37150-C9400
2.14 (0.0843)
Light brown
37151-C9400
2.17 (0.0854)
Black
37152-C9400
2.20 (0.0866)
No paint
37153-C9400
*: Always check with the Parts Department for the latest parts information.
GI
MA
EM
LC
EC
FE
AT
TF
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
PROPELLER SHAFT
Service Data and Specifications (SDS)
PD-11
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