checking oil NISSAN 300ZX 1984 Z31 Maintenance Workshop Manual

GENERAL MAINTENANCE
Item Reference item in MAsection
Windshield defroster Check that the air comes out of the
defroster outlets properly and in sufficient quantity when
operating the heater or
air conditioner
Rear view mirror Make sure that it is secure
-
-
Sun visors Make sure that they can be moved freely and are
secure
Steering wheel Check that it has the specified free play Be
sure to check for changes in the steering condition, such
as
excessive free play, hard steering or strange noises
-
Specification
Free
play Less than 35 mm (1 38 in)
Seats Check front seat position controls such as seat adjust- -
ters, seatback recliner, etc to ensure they operate smoothly
and that
all latches lock securely in every position Check
that the head restraints move up and down smoothly and
that
the locks (if so equipped) hold securely in all latched
positions Check that the latches lock securely for folding-
down rear seatbacks
Seat belts Check that all parts of the seat belt system e g
buckles, anchors and retractors operate property and ANCHORS, RETRACTORS AND ADJUSTER
smoothly Check the belt webbing for cuts, fraying, wear or
damage
INSPECTING SEAT BELTS, BLUCKLES,
Accelerator pedal Check the pedal for smooth operation -
and make sure the pedal does not catch or require uneven
effort
Clutch pedal Make sure the pedal operates smoothly and
check that
it has the proper free travel
ADJUSTING CLUTCH PEDAL HEIGHT AND
FREE PLAY
Brakes Check that the brake does not pull the vehicle to
one side when applied
Brake pedal Check the pedal for smooth operation and
make sure
it has the proper distance under it when de-
pressed fully Check the brake booster function
CHECKING BRAKE PEDAL DEPRESSED HEIGHT
0 CHECKING BRAKE BOOSTER FUNCTION
Parking brake Check that the lever has the proper travel and
confirm that your vehicle
is held securery on a fairly steep
hill with only the parking brake applied
0 CHECKING PARKING BRAKE
Automatic transmission "Park" mechanism Check that the
lock release button on the selector lever operates properly
and smoothly
On a fairly steep hill check that your vehicle
is held securely with the selector lever in the "P" wsition
without
aDDlvina anv brakes
UNDER THE HOOD AND VEHICLE
The maintenance items listed here should be checked periodically e g each time you check the engine oil or refuel
MA-5

GENERAL MAINTENANCE
Item
Windshield washer fluid Check that there
is adequate fluid
in the tank
Reference item in MA section
-
Engine coolant level Check the coolant level when the -
engine is cold
Radiator and hoses Check the front of the radiator and
clean off any dirt, insects,
leaves, etc , that may have
accumulated Make sure the hoses have no cracks, deforrna-
tion, rot or loose connections
Brake and clutch fluid levels Make sure that the brake and CHECKING CLUTCH FLUID LEAKS
clutch fluid
levels are between the "MAX" and "MIN" lines INSPECTING BRAKE LINES & HOSES
on the reservoir
Engine drwe belts Make sure that no belt if frayed, worn,
cracked or oily CHECKING AND ADJUSTING DRIVE BELT
Engine oil level Check the level on the dipstick after park- -
ing the vehicle on a level spot and turning off the engine
Power steering fluid level Check the level on the dipstick
when the fluid
is cold and the engine is turned off
0 CHECKING POWER STEERING FLUID LEVEL
Automatic transmission fluid level Check the level on the CHECKING AUTOMATIC TRANSMISSION
dipstick after putting the selector
level in "P" with the FLUID LEVEL
engine idling
Exhaust system Make sure there are no loose supports, 0 INSPECTING EXHAUST SYSTEM
cracks or holes If the sound of the exhaust seems unusual
or there
is a smell of exhaust fumes, immediately locate the
trouble and correct
it
Underbody The underbody is frequently exposed to corro-
sive substances such as those used on icy roads or to control
dust
It is very impOrtant to remove these substances, other-
wise rust will form on the floor pan, frame, fuel lines and
around
the exhaust system. At the end of winter, the
underbody should be thoroughly flushed with plain water,
being careful to clean those
areas where mud and dirt can
easily accumulate.
Fluid leaks Check under the vehicle for fuel, oil, water or
other fluid
leaks after the vehicle has been parked for a 0 INSPECTING MANUAL TRANSMISSION OIL
while.
Water dripping from the air conditioner after use is 0 INSPECTING AUTOMATIC TRANSMISSION FLUID
normal. If you should notice
any leaks or gasoline fumes
are evident, check for
the cause and correct it immediately.
0 CHECKING CLUTCH FLUID LEAKS
0 INSPECTING DIFFERENTIAL GEAR OIL
0 INSPECTING FRONT AXLE AND SUSPENSION
0 INSPECTING REAR AXLE AND SUSPENSION
0 INSPECTING BRAKE LINES & HOSES
0 CHECKING POWER STEERING LINE & HOSES
PARTS
PARTS
MA-6

ENGINE MAINTENANCE
Aw conditioner
compressor
Power steering oil pump
Applied pushing force
Checking Drive Belts
1 Inspect for cracks, fraying, wear or oil adhe-
sion Replace
if necessary
The belts should not touch
the bottom of the
pulley groove.
2
Adjust if belt deflections exceed the limit.
0 VG3OE engine (without turbocharger)
Check drive belt deflections by pushing middle
between pulleys
16 9-11 7-9
10 63) (0 35.0431 (0 28 - 0 351
21 13-16 10-13 (083) (051 -0631 (039-0511
98 N (10 kg. 22 Ibl
Power steering
Alternator pulley
Water pump pulle
SMA777A
VG30ET engine (with turbocharger)
Replacing Air Cleaner Filter-
The viscous paper type air cleaner filter does not
require any cleaning operation between renewals.
SMA779A
Checking Vapor Lines
1. Visually inspect vapor lines for proper attach-
ment, cracks, damage,
loose connections,
chafing and deterioration
2. Check vacuum relief valve for clogging,
sticking, etc
MA-8

ENGINE MAINTENANCE
Checking idle Speed (VG30E engine)
Preparation
WARNING:
a. Depress brake pedal while accelerating the engine to prevent forward surge of vehicle.
b. Inspection should
be carried out while shift lever IS in "D" position on automatic transmission equipped
models.
c. After inspection and adjustment have been made, shift the lever to "N" or "P" position.
Engage parking brake and lock both front and rear wheels with wheel chocks.
Turn
off air conditioner and headlamps.
Keep front wheels straight ahead.
c START I 1
Start engine and warm up untgl water
temperature Indicator poinrs to middle of
I
To harness 4
Stop engine and anach adapter harness between ignmon coil primary winding terminals and harness connector Then set
timer under no-load, then run engine at
+
Stop engine and connect idle UP solenoid
harness connector
Dismnnm adapter harness Connector and
connect ignition
coil harness connector io
(- END
MA-I 4
-

ENGINE MAINTENANCE
Checking Exhaust Gas Sensor (Cont'd)
Preparation
When checking exhaust gas sensor, make sure that the following are
in good order
0 Battery
0 Hoses
Engine oil and coolant levels
E C C S. components
E.C C S. harness and connectors
Oil filler cap and oil level gauge
Checking procedure
START
Stan engine and warm UP until water
temperature indicator Points
IO middle
of gauge
I +
Run engine at about 2.000 rpm for abut
2 minutes under noload
I
E C C S control unit is turned fully
referring to MIXTURE RA
MA-1 6

CHASSIS AND BODY MAINTENANCE
Checking Clutch System
Check clutch fluid lines for proper attachment,
leaks, chafing, deterioration, etc
SMA741A
Checking M/T Oil
1. Check manual transmission for signs of leakage
SMA429A
2 Check oil level
LFiller plug
SMAl03
Never start engine while checking oil level.
Changing M/T Oil
n
Drain plug
Oil capacity:
FS5W71C and BW T-5 (FS5R90A)
1.9 Liters (4 US pt, 3-3/8 Imp pt)
MA-1 8

CHASSIS AND BODY MAINTENANCE
Changing A/T Fluid
1
2
3
Drain fluid by removing oil pan
Replace gasket with new
one
Refill with fluid and then check fluid level
Oil capacity:
7.0 liters (7-3/8 US qt, &1/8 Imp qt)
Checking Propeller Shaft
Check propeller shaft for damage, looseness or
grease leakage.
Check iwrnal far , wear or damage
Check rube surface for ~ ~~ dents or cracks
4 Check tightening torque
SMA269
-Checking
Differential Gear Oil-
1 Check differential carrier for signs of oil
leakage
SMA432A
2 Check oil level.
o T-
SMA257A
-Changing Differential Gear Oil-
-
SMA363A
Oil capacity.
1.3 Liters (2-3/4 US pt, 2-1/4 Imp pt)
MA-20

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
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