1998 NISSAN GT-R Service Manual

AXLE & SUSPENSION
WHEEL ALIGNMENT -
1 Camber I -0°45'-t45'
[caster
1 6"35'+45'
I Amount of side slip (Reference)(Only for HICAS)
mm I In 5 to Out 5
WHEEL BEARING
- -
12"50'-t45' GI
0 to In 2
In
5 to Out 5
-0°55'&30' EG
0 to Out 5.2
Front
Rear
- -
Location T Front axle
r- King pin inclination
Toe-in mm
Amount of side slip (Reference)
mm
Camber
Toe-in rnm
Applied model
I 2WD
Rotating torque
N.m
(kg-m)
Spring scale set position Less than
2.45 (0.25)
(NSK make)
Less than 3.33 (0.34)
(NTN make)
Spring scale measurement
N (kg) Without
SUPER HICAS
Less than
15.9 (1.63)
(NSK make)
Less than 21.6 (2.21)
(NTN make) Rear
axle
0.30
- 1 .I7 (0.03 - 0.12)
(NSK make)
0.520
- 1.882 (0.053 - 0.192)
(NTN make)
5.0
- 21 (0.5 - 2.2)
(NSK make)
2.95
- 10.5 (0.30 - 1 .O8)
(NTN make)
End play
mm l 0 With
SUPER HICAS
BALL JOINT
Oscillating torque N-m (kg-m)
Spring scale measurement (at cotter pin hole)
N (kg)
Sliding torque
N.m
(kg-m)
End play mm 0.50
- 3.40
(0.05 - 0.35)
7.95
- 55.3 (0.81 - 5.64)
0.50
- 3.40 (0.05 - 0.35)
0

I inu 6u!x!4 yu!l ~addn iuo~j I
(0'01 - 0'6) LO 1 - 6'88
(0-zc
- 0'0 1) LC1 - 0'66
I 6u!snoy alxe 08 yu!l le~aie7 I
Sv31H u3dnS "!!
SV31H
U3dnS InoW!M
(0'61 - 0'11) LZC - 801 I Jaqwaw uo!suadsns 01 yu!l asjansuejl I
6u!snoq alxe 01 Alquasse Jaq.Josqe y30qs
(0'6 - O'L) 88 - 69
(z.
1 - 6-01 11 - 6'8
(8'8
- Z'L) 98 - IL
(0'0
1 - 06'~) 0'86 - 0'8L
(0'81
- 0.12) PLZ - 902
Jaquaw uo!suadsns 01 yu!l IeJaiel
pol 6u!g3auuo:, ~e JaMOl
6upnoq alxe 01 JaMOl
Jaquraw uo!suadsns
04 ue JaMo7
Inu
WOI qn4 laWM

ROAD WHEEL AND TIRE
Dynamic Less than
10 (one side)
ROAD WHEEL
I G.JIUUOL imbalance
Less than 20
-- Wheel nut tightening torque
I
103 - 122
N.m
(kg-m)
(10.5 - 12.5) Steel
Less than 0.8
Less than
0.5
TIGHTENING TORQUE
Unit: N.m (kg-m)
Aluminum
Less than 0.3
Less than
0.3
Wheel type
Wheel nut 1 103 - 122 (10.5 - 12.5)
Runout limit mm
TIRE
Vertcal
Tire size Tire
air pressure kPa (kg/cm2) Front wheel 1 Rear
wheel

BRAKE
BRAKING FORCE
More than 10% of axle
weight
REAR DlSC BRAKE
Total braking force of rear wheels
Variation between right and left of
each wheel Brake
type
Less than 8% of axle weight ADllVC
9.3
Brake
pad
Disc rotor
Total
braking force OPZ11V
11.5
Standard
thickness (New) mm
Wear limit of thickness mm
Standard thickness (New) mm
Wear limit of thickness mm
Runout limit mm
More than 50%
of vehicle
weight at inspected
Note: The braking force when both front wheels are locked up can be considered to meet the total braking force.
2.0
16
14
BRAKE PEDAL
18
16
PARKING BRAKE
Free play (at pedal top surface)
mm I 3 - 11 Less than
0.07 Type DS17HD I
Brake
lining
Depressed pedal height under force
of 490 N (50 kg)
(from dash panel top surface)
mm
Brake
pedal height
(from dash panel top surface)
mm
Standard inner diameter
I (New) mm I
Standard thickness (New) mrn
Wear limit of thickness
mm M/T: 163 - 173 IVT: 170 - 180
172 dia. 3.0 1.5
M/T: More
than 85 A. More than 90 . . Drum I
I
Wear limit of inner diameter
mm I 173 dia.
Clearance between the edge of stop
lamp switch screw and pedal stopper
mm Operating
stroke
[under force of 196 N (20
kg)] 5 - 7 notches
CHECK VALVE I
I
Maximum stroke
19 notches
Number of notches when brake warning
lamp turns on
TIGHTENING TORQUE
Unit: N.m (kg-m)
Within 1 notch
Vacuum leakage
[at
vacuum Of 66'7 kPa (-500 mmHg)]
BRAKE BOOSTER
Within 1.3 kPa (10 mmHg) of
vacuum for 15 seconds
Master cylinder fixing nut
I 12 - 14 (1.2 - 1.5)
Vacuum leakage
[at vacuum of 66.7
kPa
(-500
mmHg)l
Within 3.3
kPa
(25
mmHg)
of
vacuum for 15 seconds Front
caliper mounting bolt
Brake tube flare nut -- - 152 - 154 (15.5 - 15.8)
15
- 17 (1.5 - 1.8)
FRONT DlSC BRAKE
Input rod standard length at installed
mm
Brake type
I AD25VB I CUSVD [OPZ~~VC
140
Standard thickness
Wear limit of
thickness
Standard thickness
mm
1 22 1 26 1 30
Disc rotor Wear limit of
thickness
Runout
limit Less than 0.07

STEERING
STEERING GEAR STEERING WHEEL
Steering wheel end play rnm -- -
Steering wheel free play rnm1 0-35 0
Steering gear type
Rack neutral position "L" mm
Amount of steering gear housing movement mm
I Within 22 PR29, PR26AD, PR26AF
68.5
STEERING
ANGLE
STEERING COLUMN
Inner wheel
Outer wheel 42"
33"
STC0101
D 88
Primary tightening torque 5.0 - 5.8 8T
Steering column length "L" mm
Retainer
adjustment
61
0
Re-tightening torque after loosening
once 5.0
- 5.8 Rs N.m (kg-m) (0.5 - 0.6)
MA
Range
within ill .5 mm from
STEERING LINKAGE Less than 98.0 EL (1 0.0)
(30.0)
Full range
Rack
sliding
force
Steering gear type
Oscillating torque 0.30
- 2.94
Nm
(kg-m)
(0.03 - 0.30) variations Less
than 147
Spring scale measurement
(at stud bolt hole) 6.48
- 64.6
N
(kg)
(0.66 - 6.59)
Tie-rod
ball joint
outer socket OIL PUMP Sliding torque 0.30 - 2.94
End play
Oscillating torque
1 .O - 7.8
Maximum oil pump pressure
MPa (kg/cm2) 8.822: (90)
(Without HICAS)
7.842:; (80)
(With HICAS)
STEERING FLUID Tie-rod ball joint
inner socket Spring
scale measurement (at
arrow position in figure below) 19.0 - 152
N (kg) (1.90 - 15.5)
Fluid capacity P I Approx. 1.0
End play mm Less than 0.2
mm 173.3
TIGHTENING TORQUE Tie-rod length "L"
Unit: N.m (kq-m)
Steering wheel nut
Steering gear to suspension member
Hydraulic tube (high pressure side) to oil
/ 50 - 68 (5.0 - 7.0)
Pump
30
- 39
(3.0 - 4.0)
89
- 91 (9.0 - 9.3)
24
- 29 (2.4 - 3.0)
30
- 39 (3.0 - 4.0)
79
- 98 (8.0 - 10.0)
32 - 42 (3.2 - 4.3)
14
- 17 (1.4 - 1.8)
Steering gear
to steering column
Outer socket to steering knuckle
Tie-rod lock nut
Oil pump fixing bolt
Hydraulic tube to
steering gear Large
Small
High pressure side
Low pressure side 15
- 24 (1.5 - 2.5)
28
- 39 (2.8 - 4.0)

SUPER HlCAS
POWER CYLINDER --
Oscillating torque 0.98 - 7.80 Power cylinder ball N.m (kg-m) (0.1 - 0.8) joint
End play
POWER CYLINDER LOWER LINK
Power cylinder lower link length mm 1 290.4t1.0
/ Lock nut
-- -- Clearance at power cylinder stroke mm 1 3.6k0.1
--- Outer link to axle housing 1 46 - 59 (4.6 - 6.1)
--- - - - - - -
TIGHTENING TORQUE
Unit: N-m (kg-m)
HlCAS actuator assembly fixing bolt 84.4 - 107
(8.60 - 11 .O)