NISSAN 300ZX 1984 Z31 Rear Suspension Workshop Manual

REAR AXLE &
REAR SUSPENSlOh
SECTION RA
CONTENTS
REAR AXLE AND REAR SUSPENSION ....... ..... RA- 2
REAR AXLE
-Axle Shaft. ... .... ...... ..... RA- 4
DRIVE SHAFT ........ ............... ...... RA-6
.. ....... RA- 7 DRIVE SHAFT - "Tripod-Tripod" Type
DRIVE SHAFT
- "Double Offset-6irfield"Type ... . . RA-12
REAR SUSPENSION
....... .... .. .. ... .... RA-13
REAR SUSPENSION -Adlustable Shock Absorber.
.... .......... RA-18
SERVICE DATA AND SPECIFICATIONS
(S D.S ) ...... .. .... RA-20
.......

REAR AXLE AND REAR SUSPENSION
Wheel alignment Camber Cannot be adjusted Vehtcle requires only toe-in adjustment
(3 2-43.23-311
Rubber seat For non-adjustable
059 -78 (6 -8.43.58)
For non-adjustable shock absorber 14.201
0 98 - 118 (10.12.72- 8
Differential mounting Bumper rubber 0 16-21
(1 6.2 1,12.15r
Shock absorber
0 98 - 118 (10 - 12.72.87)
Suspenrian member stay
Wheel bearing Axle shaft end play Less than 0 3 mm (0 012 1n1 Bearing preload Refer to Preload Adjustment
N m lkg-m. ft-lbl
SRA441
RA-2

REAR AXLE AND REAR SUSPENSION
Removal and Installation
a Disconnect brake hydraulic line and parking
brake cable
CAUTION.
When removing or installing brake tubes, use Tool.
SRA442
a Remove stabilizer fixing bolt
Remove rear exhaust tube (Refer to Section
FE for removal)
Disconnect propeller shaft (Refer to Section
PD for removal)
a
RA-3

cwv'tls

REAR AXLE-Axle Shaft
Installation
Wheel bearings are sealed type When installing,
make sure that
the sealed side of outer bearing
faces the axle shaft flange and that the sealed
side of inner bearing
faces the companion
flange
Select a distance piece having a mark corre-
sponding to the mark on bearing housing
When
a distance piece is reused, make sure that
both ends are not collapsed or deformed.
When installing, make
sure that larger side faces
axle shaft flange.
SUA445
Fill recommended multi-purpose grease to the
portions indicated below
CAUTION.
Keep grease away from lock nut thread portion
and seating surface.
Apply grease to Dtrtance piece Compa
c-
L Bearing housing
SUA446
RA-5

DRIVE SHAFT
Removal and Installation
Remove spring seat stay
Extract drive shaft from differential carrier by
prying
it with a suitable steel bar
CAUTl ON :
Be careful not to damage oil seal of differential
carrier
RA-6

DRIVE SHAFT-'"Tripod-Tripod" Type
Cmular clip Make sure c~rcl#p 1s properly meshed wth ride gear and will not come out Sllde loin1 boot'
slide pnt housing
Spider assembly
Wheel ride
ITripod IOd
Housing Cover' Differential carrier side (Tripod ioint)
Houslng sub-assembly
'Always replace once they have been disassembled
s R A448
Hold pmt boot assembly.
Boot band'
Disas
WHEEL SIDE
Remove plug and boot bands

mbly
DIFFERENTIAL CARRIER SIDE
Snugly place drive shaft assembly in a vise
Be careful not to damage drive shaft assembly.
Cut off hold jomt boot assembly wlth a metal
saw blade and remove housing sub-assembly
When cutting, ensure that drive shaft
is pushed into
housing sub-assembly to prevent spider assembly
from being scratched.
RA-7

DRIVE SHAFT-‘“Tripod-Tripod” Type
Disassembly (Cont’d)
0 Remove spider assembly Refer to WHEEL
SIDE
0 Cut off remaining part of hold joint boot
assembly with
a metal saw blade and remove
housing ring
Be careful not to scratch housing sub-assembly.
Be careful not to scratch housing
ring excessively.
Hold pint boot arsemb;; ring I, ’
Housing rub- = Surface where there
must be no scratches assembly
SRA451
0 Remove spider assembly
CAUTION:
The spider assembly
is a non-disassembling type,
consisting of a tripod, rollers, needle bearing and
washer.
1 ) Make matching mark.
SFA391
2) Detach spider assembly using a press
Do not attempt to directly touch contact surface
of drive shaft end. Use a suitable tool.
Be careful not to drop drive shaft.
SFA392
RA-8

DRIVE SHAFT-'"Tripod-Tripod" Type
Inspection
DRIVE SHAFT
Check for cracks or other damage Replace if
necessary
TRIPOD JOINT
Check spider assembly for bearing and washer
damage Replace spider assembly if necessary
Check slide joint housing and housing sub-
assembly for any damage Replace if necessary
Assembly
After drive shaft has been assembled, ensure
that
it moves smoothly over its entire range
without binding
Use NISSAN GENUINE GREASE or equiva-
lent after every overhaul
WHEEL SIDE
Be careful not to scratch boot with drive shaft
serration.
Install spider assembly.
1) Place drive shaft in a vise, using soft cushioning
pads.
2) Install spider assembly securely, ensuring marks
are properly aligned
Press-fit with spider assembly serration chamfer
facing shaft.
* k
Sultable tool
Chamfer
3) Stake serration portion evenly at three places
Avoid
areas which have been previously staked
Always stake
two or three teeth at each place.
Stake more than 1 mm (0.04 in)
More than 1 mm 10.04 m)
SFAd22

DRIVE SHAFT-'"Tripod-Tripod" Type
Assemb
Install hold joint boot assembly
SFA395
Pack with grease
Specified amount of grease
185 - 195 g (6.52 - 6.88 02)
Set boot so that it does not swell or deform
when
its length is "L".
Length "L" 111 5 mm (4 39 on1
SRA452
[Cont'd)
DIFFERENTIAL CARRIER SIDE
CAUTION.
When replacing housing ring or housing sub-
assembly, always replace them as a set.
Bend the edge over along the entire circumfer-
ence.
Bend
the edge at two positions (180" apart) and
ensure that housing cover
does not rattle.
Place a board
on housing cover to prevent it from
being scratched.
~~~340
0 Install new boot band and hold joint boot
Be careful
not to scratch boot with drive shaft
serration
0 Install spider assembly Refer to WHEEL SIDE
0 Pack with grease
Specified amount of grease:
Place hold joint boot assembly so that its
assembly onto drive shaft
155 - 165 g (5.47 - 5.82 OZ)
flange is in vise.
Do not place any other part of hold joint boot
assembly on a vise.
Insert housing sub-assembly into place.
Bend
the edge over along the entire circumfer-
ence
RA-10