wheel NISSAN 300ZX 1984 Z31 Front Suspension Workshop Manual

FRONT AXLE &
FRONT SUSPENSION
SECTION FA
CONTENTS
FRONT AXLE AND FRONT SUSPENSION .. . ..
FRONT AXLE - Wheel Hub . . . . ..
FRONT SUSPENSION . . . .. .
FRONT SUSPENSION -Spring and Strut Assembly
TENSION ROD AND STABILIZER BAR
TRANSVERSE LINK AND LOWER BALL JOINT
. .
SUSPENSION CROSSMEMBER .. .
ADJUSTABLE SHOCK ABSORBER .. . . .. .
SERVICE DATA AND SPECIFICATIONS (S D S )
SPECIAL SERVICE TOOLS . .
.
..
. FA- 2
FA- 3
FA- 6
FA- 7
FA-1 1
. FA-12
FA-14
. . . FA-15
. . FA-22
. FA-24
RL

FRONT AXLE AND FRONT SUSPENSION
Wheel alignment Camber, caster and kingpin inclination are preset at factory and cannot be adjusted The vehicle requires only toe-in adjustments
1-3 mm (0 04 -0 12 m)
Refer to section MA for Cheekmg Wheel Alignment
Wheel bearing Do not overtighten wheel bearing nut. as this can cause wheel bearing seizure Axial play 0 mm (0 on) . Tbghtenmg torque 25 - 29 N m (2 5 .3 0 kg-m. 18 - 22 ft-lb)
Return angle 60' Rotation narting torque with new grease seal 0.39.0 83 N m (4.0 - 8.5 kg-cm, 3.5.7 4 dbl wth used grease sal 0 10.0 44 N.m (1 0 - 4.5 kvm, 0 87.3 9 #nib) As measured at wheel hub bolt with new grease seal Lerr than 17 7 N (1 8 kg, 4 0 Ib) with used grease seal Lerr than 6.9 N 10 7 kg, 1.5 Ibl When measuring starting torque. do not include "dragging" resistance with brake pads
N m (kg-m, ft-lbl
SFA564
FA-2

FRONT AXLE - Wheel Hub
Baffle plate
pj3 2 - 4 3 10 33.0 44,2 4 - 3 21
f
-Disc rotor
Inner wheel bearing
yAdwstlng cap
* Always replace once they have been removed N rn (kgm, ft-lb)
J
Lock washeri
Wheel bearing lock nut
25-29 125- 3 0,lS 221
SFA565
FA-3

FRONT AXLE - Wheel Hub
Removal
1 Remove brake caliper assembly
Brake
hose must not be disconnected from brake
caliper assembly
2 Remove wheel hub with disc brake rotor and
wheel bearing from spindle
SFA568
Be careful not to drop outer bearing.
3 If it is necessary to replace bearing outer race,
drive
it out from hub with a brass drift and
mallet
h
SFAS80
Inspection
WHEEL BEARING
Check wheel bearing to see that it rolls freely and
IS free from noise, crack, pitting, or wear
WHEEL HUB
Check wheel hub for crack by means of
a magnetic
exploration or dyeing
test, and replace if cracked
installation
Pack hub and hub cap with recommended
multi-purpose grease up to shaded portions
Coat each bearing cone with recommended
multi-purpose grease.
FA781
FA-4

FRONT AXLE - Wheel Hub
Preload Adjustment
I
After wheel bearing has been replaced or front
axle
has been reassembled be sure to adjust wheel
bearing preload
as described below
1. Before adjustment, thoroughly clean all parts
to prevent
dirt entry.
2 Apply recommended multi-purpose grease
sparingly to the following parts
Threaded portion of spindle
Contact surface between lock washer and outer
wheel bearing
Hub cap and O-ring
Grease seal lip
O-'lng7
e- "
MulttpUrpOse grease point
SMAZO3A
3 Tighten wheel bearing lock nut,
25- 29N m 12.5 - 3 0 kgm, 18.22 h-lbl
SFAS87
4. Turn wheel hub several times in both direc-
tions to seat wheel bearing correctly
5. Again tighten wheel bearing nut
6. Turn back wheel bearing lock nut within
60".
7. Fit adjusting cap and new cotter pin,
SMAlZO
8 Measure wheel bearing preload and axial play
Axial play 0 mm IO In) When bearing preloal (As meamred at wheel hub bolt1 WRh new parts
With used parts ~errthanv7~ (iakg,aoIbl
Lerrthan6 9N (07 kg. 15 Ibl SFAS88
Repeat above procedures until correct starting
torque
is obtained
9. Spread cotter pin
SRA417
10 Install hub cap with new O-ring.
I
FA- 5

When removing each s~~pension part, check wheel allgnrnent and adlust If necessary
Refer to section MA for front axle and front suspension When innalling a bushing, do not allow It to prolect beyond the surface ares of the
warhsr
Do not allow the bushings and washers to come in conlact with grease. 011. soapy water. etc
* Always replace whenever disassembled
Strut assembly
Piston rad lock nut
(3 2.4 3,23 - 311
Strut mounting
Suspension crossmember
Tension rod bracket
m29-39
(3 - 4. 22.291
m96.120 19 8.12 2.71 881 Transverse link
LWasher
Lock nut*
m44- 54 (4 5.6 5,33- 40) m n
Knuckle arm
(c1 N m (kg m. ft-lbl g 0 10
n
8
z
-I
v)
c
v)
'cl
v)
z
e
5

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
-Inspection and Adjustment
WHEEL ALIGNMENT (Unladen'l)
Camber degree -35' to 55'
Carter degree 5'50 to 7'20
mm lml 1103 1004100 121 TOe-ltl degree'2 6 to 17'
Kingpin inclinatmn degree 12'15'10 13'45'
Front wheel turning angle
22'30'120" Toe-aut-turn
Inside/Outslde degree
35' to 39"/27' to 31' Full turn InridelOutslde degree
'1
'2 On both sides
Tankful of fuel, radiator coolant and engine 011 full
Spare
tire. jack, hand t001s. mats in desngned position
WHEEL BEARING
0 I01 Wheel bearing axial play
mm (in1
Wheel bearing lock nut
25 - 29 12 5.3 0,18 221 Tightening torque
N m Ikg-m.ft-lbl
Return angle degree 60'
Wheel bearing stanmg torque
N m (kgcm. in-lbl
With new grease seal 0 39.0 83 14 0 -8 5,3 5.7 41
010-044 I1 0 -45,087 - 3 911 Wlth used grease seal
At wheel hub bolt
N (kg, Ib)
686- 1461
10 70.149,l 54 -3 291 Wtth new grease seal
1 67 - 7 75
10 17.0 79,037.1 741 With wed grease seal
LOWER BALL JOINT
Stud end play mm 1ml 0 1 - 0 9 10004 -0 0351
Turnlng torque
New pan
N m Ikgcm. m-lb)
1 5 - 4 9 (15- 50,13 -431
Used part Morethan 1 OllO.87l
- Tightening Torque
-
Ire," Nm kg-m ft-lb
Wheel hub
Wheel bearing lock nut 25 - 29
Wheel hub to dtw rotor 49 - 69
Wheel nut 78 - 98
Knucklearm and knuckle
spindle
Knuckle arm to ride rod 54.98
Knuckle arm to 72 - 97
knuckle spindle
Toique member fixing
bolt
Knuckle spindle to
baffle plate
Side rod lock
nut
Ball joint
72 - 97
3 2.4 3
78 - 98
Lower ball pint to
knuckle arm
Strut to knuckle arm 71 - 97
Strut mounting 31 -42
insulator fixing bolt
Piston rod
lock nut 69 88
96. 120
Strut assembly
Gland packing 98-118
Tr.mrverre link Transverse link to 93 113
wspeniion member
Tension rod Tension rod to
tenmn rod bracket
Tenson rad bracket
to 29 39
body
Tension rod
to
transverse link
Stabilizer bar clamp 29. 39
to body (tension rod bracket)
Stablllzer bar to 16-22
transverse link
Surpenrlon member
Suspension member
69 - 88
to body
44 - 54
42 - 59
Stabilizer bar
25-30
50-70
80-100
55-100
73-99
73-99
0 33.044
8-10
98-122
72-99
32-43
7-9
10-12
9.5-11 5
45-55
3-4
43-60
3-4
16-22
7-9
18-22
36
- 51
58
- 72
40.72 53
- 72
53 - 72
24-32
58.72
71 -88
52.72
23-31
51 -65
72.87
69.83
33 - 40
22.29
31 -43
22 - 29
12-16
51 -65