ABS NISSAN 300ZX 1984 Z31 Maintenance Workshop Manual

ENGINE MAINTENANCE
Checking Fuel System
Check fuel lines and tank for proper attachment,
leaks, cracks, damage,
loose connections, chafing
and deterioration
SMA803A
CAUTION.
a. Do not reuse fuel hose clamp after loosening
b. Tighten high pressure rubber hose clamp
so
that clamp end is 3 mm (0.12 in) from hose
end or screw position (wider than other
portions of clamp)
is flush with hose end.
Tightening torque specifications are the same
for all rubber hose clamps.
When tightening hose clamp, ensure that screw
does not come into contact with adjacent
parts
10-1dNm IO 10 -0.15 kgm. 07 - 1 1 h-lbl
SMAS04A
Replacing Fuel Filter
Before removing fuel filter, release fuel pressure
from fuel line
to eliminate danger.
1 Start engine
2 Remove luggage floor mat
3. Disconnect fuel pump harness connector with
engine running
SEF7148
4. After engine stalls, crank engine two or three
times to make sure that pressure
is released
5 Turn ignition switch off and connect fuel
pump harness connector
6 Loosen fuel hose clamps
SMA780A
7 Replace fuel filter.
Do not reuse fuel hose clamps.
Be careful not to spill fuel over engine com-
partment. Place a rag
to absorb fuel.
Use high pressure type fuel filter. Do not use a
synthetic resinous
fuel filter.
MA-9
I

CHASSIS AND BODY MAINTENANCE
Checking Front Axle and Front Suspension Parts
(1) Shake each front wheel
Check axle and suspension parts for looseness,
wear or damage.
SMA525A
(2) Retighten all nuts and bolts to the specified
torque
Refer to section
FA for tightening torque
SMA614
SMA615
(3) Check axle and suspension parts for wear,
cracks or damage.
0 Check strut (Shock absorber) for oil leakage
or damage
SMA113
Check suspension ball joint for grease leakage
and ball joint dust cover for damage
SMA7ZJA
MA-21
LL

CHASSIS AND BODY MAINTENANCE
Checking Rear Axle and
Rear Suspension Parts (Cont'd)
(3) Check axle and suspension parts for wear,
cracks or damage
0 Check shock absorber for oil leakage or dam-
age
- SMA726A
--Checking Drive Shaft
Check boot and drive shaft for cracks, wear, dam-
age or grease leakage.
SM A743 A
,Checking Front Wheel Alignment -
PRELIMINARY INSPECTION
Tire pressure
Wheel bearing axial play
Suspension ball joint
Steering linkage and connections
Shock absorber operation
Tighten each front axle and suspension parts
Measure vehicle height (Unladen).
The vehicle must be on a level surface both
fore and
aft, and transversely.
Repair or replace the damaged portion or
parts
Steering gear housing looseness at frame
" U n I aden "
Fuel tank, radiator and engine oil tank all full
Spare tire, lack, hand tools, mats in position
CAMBER, CASTER AND KINGPIN
INCLINATION
Camber, caster and kingpin inclination are preset
at
factory and cannot be adjusted
Camber.
-35 to 55'
Caster :
5"50 - 7"3Q
Kingpin inclination:
12"15' - 13"45'
TOE-IN
1 Mark a base line across the tread
After lowering front of vehicle, move it up and
down
to eliminate friction.
MA-23
4

CHASSIS AND BODY MAINTENANCE
Checking Rear
PRELIMINARY INSPECTION
0 Tire pressure.
0 Wheel bearing axial play
0 Shock absorber operation.
0
0 Measure vehicle height (Unladen)
Tighten each rear axle and suspension part
The vehicle must be on a level surface both
fore and
aft, and laterally
Repair or replace the damaged portion or parts
0
"Unladen"
Fuel tank, radiator and engine oil tank all full
Spare
tire, jack, hand tools, mats in position
CAMBER
Camber
is preset at factory and cannot be adjusted
Camber:
-1"55'tO -25'
TOE-IN
1. Mark a base line across the tread
SMA123
nee1 Alignment
2 Measure toe-in
~~ner parallel to center Ime of body-
Toe-in = A - B
, Front 8 SMA124
Toe-in:
-2 to 2 mm (-0.08 to 0.08 in)
3 Toein can be adjusted by inside of rear arm
bushing pins
Unit
Tobl" TObOltl Max 9 6 10 3781 Max 9.6 (0.378)
When performing toe adjustment, always set the
cams in the same position on the right and left rear
arm bushing pins.
MA-25
,,_l