ABS 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 SUSPENSION
(2 0.28,14-201
(~hayr replace when
lnSuletOr coyer
Shack absorber
mounting
mulator
69 - 88 (7 .9,51 - 651
Bound bumper -
upper rpmg seat rubber
Dust cover -
Shock absorber
~~~er rpmg seat rubber
L9) 59.78 (6.8.43.58)
Differential mounting Insulator
Member msulator stopper
suspension member
arsemblv
(1 6-2 1.12-151
- 39 13.4.22 -291 Member tnsulator
Rubber bushing
spring seat stay 98-118110-12,
16-21116-21.12-151
n 59 - 78 16.8,43-581
23-311 Bushing
n 31-42 (3 2-43.
23.311
N rn (kg-m, ft-lbl
S R A454
RA-13

REAR SUSPENSION
Stabilizer Bar
REMOVAL AND INSTALLATION
Remove stabilizer bar
SRA458
Final tightening should be carried out at curb
weight with
tires on ground
INSPECTION
Check stabilizer bar for deformation or cracks
Replace if necessary
Check rubber bushings for deterioration or
cracks Replace if necessary.
Shock Absorber
(Non - adjustable type)
REMOVAL AND INSTALLATION
Remove shock absorber upper end nut.

Disconnect shock absorber lower end.
SRA459
Final tightening should be carried out at curb
weight with tires on ground
INSPECTION
Check all rubber parts for wear, cracks, damage
or deformation Replace if necessary.
If oil leakage occurs, replace shock absorber
assembly.
Inspect threads for cracks or other damage
Replace if necessary
Inspect piston rod for cracks, deformation or
other damage Replace shock absorber
assembly if necessary
ASSEMBLY
Tape around piston rod
so as not to damage it
when tightening lock nut.
/-Washer
insulator cover
RA-14

REAR SUSPENSION
Suspension Arm (Cont'd)
Remove axle shaft assembly Refer to Axle
Remove stabilizer bar bolt
Remove suspension arm pin
Before removing, put matching mark on pin.
Shaft for removal
Disconnect shock absorber lower end
When installing, tighten suspension arm pin nut
to specified torque after installing wheels and
placing vehicle on ground under the curb
weight. Refer to Section MA for toe-in adjustment
INSPECTION
Check suspension arm for deformation or
Check rubber bushings for wear or other
If necessary, replace rubber bushing using a
suitable tool.
cracks Replace if necessary.
damage
SRA465
Suspension Member and
Differential Mounting Insulator
INSPECTION
Check differential mounting insulator for
deformation or cracks Replace if necessary
Check suspension member for deformation or
cracks Replace if necessary
If member insulator is deformed or cracked,
replace
it using a suitable tool
a
SRA455
b Install member insulator using a suitable tool.
Be sure to install in
its proper place.
SRA456
RA-16

~ ~ ~ REAR
SUSPENSION-Adjustable Shock Absorber
Shock absorber A
assembly 11
I Insulator cover I
Shock absorber
mounting insulator
Shock abrorber mounting bracket
Removal an
Remove luggage side trim Then disconnect
Disconnect connector gripping both sides of sub-
harness connector.
connector
Bound burnbei
Dust cover
U SRA466
Installation
Remove shock absorber upper end nut
SRA467
CAUTION:
Keep water and dust away from connector.
Disconnect shock absorber lower end.
RA-18

~ REAR SUSPENSION- Adjustable Shock Absorber
Inspection
Refer to
Non-adjustable Shock Absorber Tape around piston rod so as not to damage It
when assembling
Connect sub-harness with connector within
piston rod using guide.
Be careful not to
damage connector
SRA469
Trouble Diagnosis
Refer to FRONT AXLE AND FRONT SUSPEN-
SION
RA-19

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Coil diameter mm Inn1
mm 1,”) Free length
General Specifications
I I I
11014331
364114331 370 11457) 364114331 370 114 57) 376 114801
SUSPENSION
VG30E VG30ET
Vehicle model 2/2+2 seater 2 seater 2+2 seater
SF GL GL GL-L
Suspension type Semi-trailing arm type independent rear suspension
Adjustable
coll sprmg Wire diameler mmlinl 128105041 130105121 128105041
Non-adjustable
13 0 (0 5121 ~~
~
Pmon diameter mm lml 32 - 32 1 (1 260 - 1 2641 25 - 25 1 (0 984.0 9881
24 5 I2 5, 1401 Spring wnnant
Nlmm Ikdmm. Ib/cnl
Pinon rod diameter mm 11”) 22 IO 87)
Identification coloi
125(04921
Red x 1 Yellow x 2 Yellow x 1
Yellow x 2
Cylinder diameter mm (on1
Damping force
[at 0 3 m I1 0 ftirec II
Yellow x 1
Yellow x 2
486 I1 913) 38 1 (1 5001
Firm Normal Soft
White x 1
I White x 2 ~
Shock
absorber
Type
609 3 123 991/392 5 115 451
588 160,132f
294 130,661
I ~ ~~ Stabilizer tube
diameter Outer mm (ml 22 2 10 874)
Inner mm (in) I 17 0 IO 6691
RA-20

SERVICE DATA AND SPECIFICATIONS (S. D.S.)
Tightening Torque
Item Nm kg-m ft-lb
Wheel nut 78-98 80-100 58-72
Three-way connector
Connector mounting 5 - 7 05-07 36-51
bolt
Connector to brake 15. 18 15-18 11-13
tube
Brake tube connector 15.18 15-18 11-13
flare nut
Shock absorber
Lower end fwng bolt
Adlustable 59-78 6-8 43 -58
Non-adlustable 69-88 7.9 51 -65
Upper end fixing bolt 31 .42 32-43 23-31
Piston rod self-locking
""1 Adjustable 46-62 47.63 34-46
Non-adjustable 20. 27 20-28 14-20
Suspension member
Suspension member to 78.108 8.11 58-80 suspension member stay
Suspensionmemberstay
20-25 20-26 14-19
to body
Suspension
memberto 98- 118 10- 12 72 .E7 sus~ennon arm
Sprmt seat stay
Stay to suspension arm Front 59-78 6-8 43 - 58
Rear 69-88 7-9 51 -65
Stay to parking cable 16 - 21 16-21 12-15 clamp
Item N-m kg-rn ft-lb
Rear disc brake Baffle plate fwng bolt 8. 11 08-11 58-80
Torque member fixing 38.52 39-53 28.38
bolt
Differential carrier Dafferenttal carrier to 98. 118 10 - 12 72.87
mountma bracket
Mounting bracket to
body Bolt 29-39 3-4 22.29
NU1 59.78 6-8 43 .58
Differential carrier to 59. 78 6.8 43.58 suspension member
Stabilizer Stabtlizer bar to 16.21 16-21 12.15
IYSP~~O~O~ arm
Stabilizer bar clamp to 31 - 42 3 2 4 3 23.31 suspension member
Drive shaft
Drive shaft to companion
flange
Turbo 59.69 60-70 43-51
Non turbo 39-49 40 50 29.36
Wheel bearino lock nut 294.392 30.40 217 - 289
RA-22