Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 300ZX 1984-1985,1988,1990,1994-1996 Approved 1984 Front Axle & Front Suspension
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FRONT AXLE &
FRONT SUSPENSION
SECTION FA
CONTENTS
FRONT AXLE AND FRONT SUSPENSION .. . . . . FA- 2
FRONT AXLE - Wheel Hub . . . . . . FA- 3
FRONT SUSPENSION . . . .. . FA- 6
FRONT SUSPENSION -Spring and Strut Assembly . FA- 7
TENSION ROD AND STABILIZER BAR .. FA-11
TRANSVERSE LINK AND LOWER BALL JOINT . . . FA-12
SUSPENSION CROSSMEMBER .. . FA-14
ADJUSTABLE SHOCK ABSORBER . . . . .. . .. . FA-15
SERVICE DATA AND SPECIFICATIONS (S D S ) . . FA-22
SPECIAL SERVICE TOOLS . . . FA-24
RL
FRONT AXLE AND FRONT SUSPENSION
Wheel alignment
Camber, caster and kingpin inclination are
preset a t 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)
Return angle 6' 0
- -
Tbghtenmg torque 25 29 N m (2 5 .3 0 kg-m. 18 22 ft-lb)
Rotation narting torque
-
w i t h new grease seal 0 . 3 9 . 0 83 N m (4.0 8.5 kg-cm, 3 . 5 . 7 4 d b l
-
w t h used grease s a l 0 1 0 . 0 44 N.m (1 0 4.5 k v m , 0 8 7 . 3 9 #nib)
A measured at wheel hub bolt
s
w i t h new grease seal Lerr than 17 7 N ( 1 8 kg, 4 0 Ib) N m (kg-m, ft-lbl
with used grease seal Lerr than 6.9 N 1 7 k g , 1.5 Ibl
0
When measuring starting torque. do not include "dragging" resistance with brake pads SFA564
FA-2
FRONT AXLE - Wheel Hub
Baffle plate
p j 3 2 - 4 3 1 3 3 . 0 44,2 4 - 3 21
0
f
-Disc rotor
Inner wheel bearing
y A d w s t l n g cap
* Always replace once they have been removed
Lock w a s h e r i
Wheel bearing lock nut J
2 5 - 2 9 125- 3 0 , l S 221
N rn (kgm, ft-lb)
SFA565
FA-3
FRONT AXLE - Wheel Hub
Removal Inspection
1 Remove brake caliper assembly WHEEL BEARING
Brake hose must not be disconnected from brake Check wheel bearing t o see that it rolls freely and
caliper assembly IS free from noise, crack, pitting, or wear
WHEEL HUB
Check wheel hub for crack b y means of a magnetic
exploration or dyeing test, and replace if cracked
installation
2 Remove wheel hub with disc brake rotor and Pack hub and hub cap with recommended
wheel bearing from spindle multi-purpose grease up t o shaded portions
\ SFA568
Be careful not t o drop outer bearing.
3 If it is necessary t o replace bearing outer race,
drive it out from hub with a brass drift and
Coat each bearing cone with recommended
mallet
h
multi-purpose grease.
SFAS80 FA781
FA-4
FRONT AXLE - Wheel Hub
Preload Adjustment
I
After wheel bearing has been replaced or front 7. Fit adjusting cap and new cotter pin,
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
SMAlZO
Grease seal lip
8 Measure wheel bearing preload and axial play
O-'lng7
e- "
MulttpUrpOse grease point
SMAZO3A
Axial play 0 mm IO In)
3 Tighten wheel bearing lock nut, When bearing preloal
(Asmeamred a t wheel hub bolt1
WRh new parts
2 5 - 29N m ~ e r r t h a n v 7i a k g , a o I b l
( ~
-
1 . 3 0 kgm,
25 W i t h used parts
18.22 h-lbl Lerrthan6 9 N ( 0 7 kg. 1 5 Ibl SFAS88
Repeat above procedures until correct starting
torque is obtained
9. Spread cotter pin
\ SFAS87
4. Turn wheel hub several times in both direc-
tions to seat wheel bearing correctly
5. Again tighten wheel bearing nut SRA417
6. Turn back wheel bearing lock nut within
60". 10 Install hub cap with new O-ring.
I
FA- 5
When removing each s ~ ~ p e n s i o n check wheel allgnrnent and adlust If necessary
part,
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 i conlact with grease. 011.
n
soapy water. etc
* Always replace whenever disassembled
Strut assembly
Piston rad lock nut
n
( 3 2 . 4 3 , 2 3 - 311
8
z
Strut mounting -I
v)
Suspension crossmember c
v)
'cl
e
v)
Tension rod bracket 5
z
m29-39
-
( 3 4.
22.291
Transverse link
m 9 6 . 1 2 0 1 8 . 1 2 2.71
9 881
LWasher Knuckle arm
Lock nut*
m m44-54 (4 5 . 6 5 , 3 3 - 40)
n
g N m (kg m. ft-lbl
0
10 (c1
FRONT SUSPENSION - Spring and Strut Assembly
Removal and Installation Disassembly
Remove tension rod nuts and knuckle arm Avoid dirt and dust getting inside strut.
fixing bolts Compress spring so as to permit turning of
strut mounting insulator by hand
I
SFA571
Make sure brake hose is secure and not twisted. Remove piston rod lock nut so as not t o darn-
age piston rod / /
Remove gland packing with Tool Retract
piston rod by pushing it down until it bottoms.
n
ST35652000 1 SFA573
Slowly withdraw piston rod from cylinder
together with piston guide.
FA- 7
FRONT SUSPENSION - Spring and Strut Assembly
Inspl
Wash all parts, except for nonmetallic parts,
clean with suitable solvent and dry with com-
pressed air.
a Blow dirt and dust off of nonmetallic parts
using compressed air
a. Oil oozing out around gland packing does not
call for strut replacement.
If oil leakage is evident on spring seat, check
piston rod and gland packing t o correct the
cause of problem.
If oil leakage occurs on welded portion of LCylinder
outer strut casing, replace strut assembly. SFA137
b. If shock absorber itself is malfunctioning,
PISTON ROD
replace as shock absorber kit (including piston
rod, cylinder, bottom valve and guide bushing). a Inspect piston rod for cracks, deformation or
other damage Replace shock absorber, if
necessary
a Inspect threads for cracks or other damage
Replace shock absorber, if necessary.
INNER CYLINDER AND OUTER CASING
Rod diameter:
a Inspect inner cylinder and outer casing for 21.78 - 21.94 mm (0.8575 - 0.8638 in)
cracks, deformation or other damage. For inner Maximum runout
cylinder damage, replace shock absorber. For Less than 0.1 mm (0.004 in)
outer casing damage, replace strut assembly
Inner diameter: To'ai
gauge R
Inner cylinder
32 0 . 3 2 1 mm (1.260 - 1 264 in)
n
\
Piston rod
SFA137
STRUT MOUNTING INSULATOR
SFA136 Replace if cemented rubber-to-metal portion are
melted or cracked. Rubber parts should also be
replaced, if deteriorated.
Maximum runout. STRUT MOUNTING BEARING
Inner cylinder Replace if inspection reveals abnormal noise or
Less than 0.2 mm (0.008 in) excessive rattle in axial direction
FA-8
FRONT SUSPENSION - Spring and Strut Assembly
Assc
Before assembly, keep away from dust to prevent Tighten gland packing
entry of dust.
Add correct amount of fluid
Use "NISSAN GENUINE STRUT FLUID" or
equivalent.
Oil capacity i s very important since performance o f
strut varies with amount of fluid in strut.
Capacity:
270 me (9 1 US fl oz,9.5 Imp fl 02)
ST35652000l
1 - 1
SFAS91
rTnrque wrench c
FA065
Lubricate sealing lip of gland packing. lo^, m-I-L mi f t J d
1 3ftl
0
Ea
N m Ikg-m,ft-lbl
SFA141
Install gland packing e
78i8.581 . _.
_.
c __
Be careful not to damage sealing lip. :
+
0
59 16,431
rn
I
I1 01 I1 51 1201 (ftl
L Length of torque wrench
SFA144
FA-9
FRONT SUSPENSION - Spring and Strut Assembly
Repeat following procedures several times so that
air will be thoroughly bled from strut
FA279
FA280
After placing spring in position between upper and
lower spring seats, release compressor gradually.
`-piace spring m positton
SFA149
F A - I0
TENSION ROD AND STABILIZER BAR
Removal and Installation
Remove tension rod and stabilizer bar
SFA287
Install tension rod as shown below.
SFA289
Final tightening should be carried out a t curb
weight with tires on ground.
FA-I1
TRANSVERSE LINK AND LOWER BALL JOINT
Removal ar Installation
Separate knuckle arm from tie-rod using Tool. To install transverse link, first temporarily
tighten nuts securing transverse link spindle
which connects transverse link to suspension
cross member.
Final tightening should be carried out at curb
weight with tires on ground.
Make sure mating surface o f bushing is clean
and free from oil and grease.
SFA575
Separate knuckle arm from strut. Remove
stabilizer, tension rod and transverse link
SFA576
Separate ball joint from knuckle arm using
press
SFA577
FA-I 2
TRANSVERSE LINK AND LOWER BALL JOINT
:tion
0 Check ball joint for play. I f ball stud IS worn, When a high-pressure grease gun IS used, operate
play in axial direction i s excessive or joint is the grease gun carefully so that grease IS injected
hard to swing, replace transverse link assembly. slowly and new grease does not come out from the
clamp portion.
e 2.
Turning torque " A :
New parts
1.5.4.9 N m
-
(15 - 50 kgcm, 13 43 in-lb)
Used parts
More than
1.0 N m (10 kgcm. 8.7 in-11~.
Turning torque "B".
New parts
-
1 5 4.9 N.m
-
(15 50 kgcm, 13 43 in-lb)
~
Used parts
More than
1.0 N.m (10 kgcm, 8.7 in-lb)
Axial play "C".
- -
0.1 0.9 mm (0.004 0.035 in)
0 Check condition of dust cover. Replace if
necessary
0 Check rubber bushing for damage, cracks and
deformation, replace transverse link If neces-
sary
0 Check transverse link for damage, cracks,
deformation; replace transverse link if neces-
sary.
To lubricate, remove plug and install grease
nipple in i t s place
Pump grease slowly until old grease is com-
pletely forced out. After greasing, reinstall
Plug
FA-I3
SUSPENSION CROSSMEMBER
Removal and Installation Inspection
Precaution Check suspension crossmember for deformation or
Support engine weight to remove load from engine cracking.
mounting. Replace if necessary.
FA-I4
ADJUSTABLE SHOCK ABSORBER
rStwt assembly
-4.3.23-
31 - 4 2 (3 2 -4.3,23- 31)
(Without Tool1
P~rtonrod lock nut
69 . 8 8 (7 .9.51 .651
Shock
absorber
Strut mounting tnsulator
Strut mounting bearing m
im
Oust seal
Upper seat
-
e
Bound bumper
I Dust cover
i e
N m Ikg m ft Ibl
SA589
Removal ar Installation
CAUTION: Remove tenslon rod nuts and knuckle arm
Keep water and dust away from connector. fixing bolts.
Disconnect connector grlpplng on both sides of
sub-harness connector.
SFA570
Make sure brake hose IS secure and not twisted.
FA-I5
ADJUSTABLE SHOCK ABSORBER
-Removal and Installation( C o n t ' d L
0 Connect sub-harness to connector within 0 Carefully insert the shock absorber cartridge
piston rod using guide Be careful not t o into the outer strut tube.
damage connector. CAUTION:
Do not drop the shock absorber or otherwise
mishandle it.
SRA469
Disassembly SFA165
Avoid dirt and dust getting inside strut
After the shock absorber has been inserted
0 Remove coil spring Refer to Front Suspension
into the outer tube, gently shake the strut
(Spring and Strut Assembly)
assembly right and left so that the shock
0 Remove gland packing Refer to Front Suspen-
absorber is centered.
sion (Spring and Strut Assembly)
Install gland packing and tighten the gland
packing with the Gland Packing Wrench and
a torque wrench
Refer to Spring and Strut Assembly for assembly
Be careful not to damage the piston rod during
tightening.
Inspection
Refer to Front Suspension (Spring and Strut
Assembly)
ST35652000-
I - ) SFA591
Further steps are the same procedure as the
conventional strut assembly Refer to Spring
and Strut Assembly for assembly
FA-I6
ADJUSTABLE SHOCK ABSORBER
Harness Description
Sub-harness
Rear shock absorber
SFA590
Electrical Circuit
SCHEMATIC
I I l,* I"" I
SOFT NORMAL 0 V
SOFT 7 5 V
FIRM NORMAL 0 V
I 111-4 IOV I
SFAS82
FA-I 7
I I
FA-I8
ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses
'henomenoi
I Checking method
Possible cause Corrective action
on switch Checking procedure Result
3 lamps D Lamp burnt out (1 I Operate switch and One lamp on Replace burnt out
a l l off B Fuse blown check lamp for lighting lamp
B Harness wire broken condition
(2) Check fuse 3 lamps all off ( 1 ) Replace fuse
(31 Check power and
(2) Replace 3 lamps
grounding harnesses for
(3) Repair harness
broken wires
~~~~~~ ~~
2 lamps off Switch side harness Operate switch and check One lamp on Repair harness
shorted lamp for proper lighting con-
2 lamps always on ( 1 ) Replace switch
Switch out of order dition
(2) Replace harness
3 lamps D Switch side harness Operate switch, check lamp One lamp off ( 1I Replace harness
311 on shorted for proper lighting condition (2) Replace switch
B Switch out of order 3 lamps on (31 Replace controller
B Controller out of
order
One lamp 01 D Harness wire broken Operate switch while lamp is Selected On Repair harness
and 2 lamps (Selected signal going on and off Other On and
on and off wire broken) Do this with key on. Off
B Motor harness (1) Connect dummy actua- Selected On Repair harness
wire broken, or tors (motors) in 4 places, 2otherr . On
shorted and operate switches (for and off
F, N, S),check lampsfor
proper lighting condition Any dummy
(2) Check dummy actuators actuator not
for normal operation in operating
4 places (Front-Right,
Front-Left, Rear-Right,
Rear-Left)
~ ~~
D Position switch Connect dummy actuators in Selected ._On Repair harness
harness wire 4 places, and operate switches 2 others . On
broken or shorted (for F, N. S),check lamps for and off
proper lighting condition Any place where
Further, check 4 places for any actuator is
any actuator operating longer Dperating more
than 4 seconds than the specified
time after lamp
starts t o go on
and off
FA-I9
ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses (Cont'd)
'henomenoi Checking method
Possible cause Corrective action
on switch
Checking procedure Result
~
One lamp o Wire broken or (1I Changing the connection Selected On Replace shock
2 lamps on shorted in motor combinations of the 3 2others On absorber
rnd off harness of shock dummy actuators, check and off
[continued) absorber 4 shock absorbers one by (When connected
one using the operation t o shock absorber
described in (2) below out of order)
(2) Turn switch t o F, N, S
and check lamp for
proper lighting condition
b Wire broken or Same as above Same as above Same as above
shorted in position
switch harness of
shock absorber
1 Motor completely Same as above Same as above Same as above
locked
1 Motor overloaded (1) Turn key off t o stop Selected . On Normal
(Temporary overload the lamp from going 2others Off If it is frequent,
on and off, then turn key take action as
on again and check lamp described in (3) below
for proper lighting
condition
12) Check power voltage Below 9 V Repair power system
(Charge battery)
:3)-1 Changing the connectior Selected On Replace shock
combinations o f the 2others On absorber
4 actuators, check each and off
of the 4 shock absorbers (when connected
in one place described to overloaded
in 131-2 below shock absorber1
13j-2 Turn switch to F, N, S,
and check lamp for
proper lighting condi-
tion.
Controller out o f Replace with normal control- jelected On Replace controller
order er, and operate switch, check Zothers .On
amp for proper lighting con- 3nd off
jition I Returned t o
iormal state)
FA-20
ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses (Cont'd)
Cherking method
'henomenon
Possible cause Corrective action
on switch Checking procedure Result
3 lamps on Switch malfunction Turn key off to stop the lamp Selected On Replace switch
and off from going on and off, then 2others . Off
turn key on again and check
lamp for proper lighting con-
dition
Switch contact (1) Operate switch, check Selected - On ReDlace switch
out of order lamp for proper lighting 2 others .. Off
condition
( 2 ) Turn switch to original 3lamps .On
position, and check lamp and off
for occurrence of on and
off condition
Harness disconnected Turn key off t o stop the lamp 3 lamps On ReDair harness
from going on and off, and off
then turn key on again and
check lamp for propc-
lighting condition
FA-21
SERVICE DATA AND SPECIFICATIONS (S.D.S.)
General Specifications
VG30ET VG30E
Vehicle model 2 seater 2+2 seater 2 seater 2+2 seater
GL GL-L SF GL GL-L G L GL-L
13 5 (05311
~ ~~ ~~
Coil diameter m m (in1 170 (6 691
Free length mm ( ~ n l 293 5 (11 56) 3000lll811 293 5 (11 561 300 0 (11 81 1 306 0 (12 051
Red x 1, Yellow x 1, f l e d x 1. Yellow x 1, W h m x 1,
ldentlflcat8an color
White x 1 White x 1 White x 1 White x 1 White x 1
strut
TYDe I Gasfilled double acting hydraulic Double acting hydraultc
I Adptable
~~ ~
I ~~ ~
Non-adlustable
~
lnnter cvlmder
Inner diameter mm Iin) 3 5 0 - 3 5 1 (1 378- 13821 32 0 - 32 1 (1 260 - 1 2641
Maximum runout mm (in1 1 Less than 0 2 (00081 I Less than 0 2 (0 008)
Piston rod
Rod diameter m m (ml 25 (0981 I 22 1 87)
0
Maxmum runout mm (in1 I Less than 0 1 1 0041
0 I Less than 0 1 10 0041
Stroke
mm Iinl 191 8 1 5511131 8 I1 2521
7
Maxtmum/Minimum
Damping force [ a t 0 3 m (1 0 ft)/rec 1 Ftrm Normal Soft
1.510 1,226 530
Expansion (kg'lb' 981 1100, 221)
(154,3401 (125,2761 (54. 1191
N Ikg, Ib) 785 637 255
Compression 4 4 1 (45.991
(80. 1761 (65. 1431 (26. 571
Stabilizer bar diameter mm (In) I 22 (0871
Tension rod diametei mm (in) I 181071)
FA-22
SERVICE DATA AND SPECIFICATIONS (S.D.S.)
-Inspection and Adjustment - Tightening Torque
WHEEL ALIGNMENT (Unladen'l)
-
Ire," Nm kg-m ft-lb
Camber degree -35' to 55' Wheel hub
Wheel bearing lock nut 25 - 29 25-30 18-22
Carter degree 55
'0 to 7'20
Wheel hub to dtw rotor 49 - 69 50-70 36 - 51
mm l m l 1 1 0 3 1 0 0 4 1 0 0 121
TOe-ltl
Wheel nut 78 - 98 80-100 58 - 72
degree'2 6 t o 17' Knucklearm and knuckle
spindle
Kingpin inclinatmn degree 12'15'10 13'45' Knuckle arm to ride rod 54.98 55-100 40.72
Front wheel turning angle Knuckle arm to 72 - 97 73-99 53 - 72
Toe-aut-turn knuckle spindle
22'30'120"
Inside/Outslde degree Toique member fixing 72 - 97 73-99 53 - 72
bolt
Full turn
35' to 39"/27' to 31' Knuckle spindle to 32.4 3 0 33.044 24-32
InridelOutslde degree
baffle plate
'1 Tankful of fuel, radiator coolant and engine 011full
Side rod lock nut 78 - 98 8-10 58.72
Spare tire. jack, hand t001s. mats i desngned position
n
'2 On both sides Ball joint
Lower ball p i n t to 96. 120 98-122 71 - 8 8
knuckle arm
Strut assembly
WHEEL BEARING Strut to knuckle arm 71 - 97 72-99 52.72
Wheel bearing axial play Strut mounting 31 -42 32-43 23-31
0 I01 insulator fixing bolt
mm (in1
Piston rod lock nut 69 88 7-9 51 -65
Wheel bearing lock nut
Gland packing 98-118 10-12 72.87
Tightening torque
25 - 29 12 5 . 3 0,18 221
N m Ikg-m.ft-lbl Tr.mrverre link
Transverse link to 93 113 9.5-11 5 69.83
Return angle degree 6'
0 wspeniion member
Wheel bearing stanmg torque Tension rod
N m (kgcm. in-lbl Tension rod to 44 - 54 45-55 33 - 40
With new grease seal 0 3 9 . 0 83 14 0 - 85 , 3 5 . 7 41 t e n m n rod bracket
Tenson rad bracket t o 29 39 3-4 22.29
010-044
Wlth used grease seal body
I1 0 - 4 5 , 0 8 7 - 3 911
Tension rod to 42 - 59 43-60 31 - 4 3
At wheel hub bolt transverse link
N (kg, Ib)
Stabilizer bar
6 8 6 - 1461 22 - 29
Wtth new grease seal Stabilizer bar clamp 29. 39 3-4
1 7 0 . 1 4 9 , l 54 - 3 291
0
to body (tension rod
1 67 - 7 75 bracket)
With w e d grease seal
1 1 7 . 0 79,037.1 741
0 Stablllzer bar to 16-22 16-22 12-16
transverse l i n k
Surpenrlon member
Suspension member 69 - 88 7-9 51 -65
LOWER BALL JOINT to body
Stud end play mm 1ml 0 1 - 0 9 10004 - 0 0351
Turnlng torque
N m Ikgcm. m-lb)
New p a n 1 5 - 4 9 (15- 50,13 -431
Used part Morethan 1 OllO.87l
SPECIAL SERVICE TOOLS
Tool number
Tool name
(Kent-Moore No )
ST35490000 Gland packing wrench
(526083)
ST35652000 Clamp
( - )
HT72520000 Ball joint remover
(525730-A)
FA-24
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