NISSAN 300ZX 1984 Z31 Rear Suspension User Guide

DRIVE SHAFT--"Tripod-Tripod" Type
Assem bl1
Bend the edge at two positions (180" apart) and
ensure that housing sub-assembly does not rattle.
Place
a board on housing sub-assembly to prevent
it from being scratched.
SRA341
e Apply sealant
Cont'd)
e Set boot so that it does not swell or deform
when
its length is "L"
Length "L" 92 5 mm 13 642 m)
IL1
SRA453
RA-11

DRIVE SHAFT- “Double Offset-Birfield” Type
S R A449
CAUTION.
Joints on
both sides are non-disassembling type.
Inspection
DRIVE SHAFT
Check for cracks
or other damage Replace dnve
shaft assembly if necessary
BlRFlELD JOINT
Replace drive shaft assembly if birfield joint
is
damaged
DOUBLE OFFSET JOINT
Replace drive shaft assembly if double offset
joint
is damaged
BOOT
Replace drive shaft assembly
if boot IS fatigued,
cracked or worn
RA-12

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
Coil Spring
REMOVAL AND INSTALLATION
Jack up vehicle after setting spring compressor.
Then remove coil spring
When installing, correctly place coil spring in
the lower sprlng
seat rubber (Flat face of
sDrina
IS on top ) .-
Upper spring seat rubber
(Flat face)
Cob1 spring
!
~ower spring seat rubber SRA462
Suspen
REMOVAL AND INSTALLATION
I NSP ECTl ON
Check coil spring for yield, deformatlon or
cracks Replace
if necessary.
0 Check upper and lower spring seat rubbers for
wear, cracks or damage Replace if necessary
3n Arm
I/ I
SRA463
RA-15

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
Suspension Member and
Differential Mounting Insulator
(Cont’d)
View A
Front SRA457
RA-17

~ ~ ~ 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