engine NISSAN 300ZX 1984 Z31 Maintenance Workshop Manual

MAINTENANCE
SECTION MA cr
i I
CONTENTS
PERIODIC MAINTENANCE . . .
GENERAL MAINTENANCE . . ...
LUBRICATION CHART . ..
ENGINE MAINTENANCE ... .
CHASSIS AND BODY MAINTENANCE
..
SERVICE DATA AND SPECIFICATIONS (S D.S.)
SPECIAL SERVICE TOOL
. .. MA- 2
.. MA- 4
. MA- 7
. MA-8
MA-17
... . . MA-36
... . MA-38

PERIODIC MAINTENANCE
The following charts show the normal malntenance schedule Under severe driving conditions, additional or
more frequent maintenance
w~ll be required. Refer to "Maintenance under severe driving conditions".
The periodic maintenance schedule
is repeated beyond the last mileage and period shown.
EMISSION CONTROL SYSTEM MAINTENANCE
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Pertodc rnantenance should be performed Miles x 1,000 15 30 45 60
at number of miles. kilometers or months. (K,lometerr x 1.0001 (241 (481 (721 (961
Months 12 24 36 48
whichever comer first
Reference
Page
Orwe belts I I MA-8
Air cleaner filter R R MA-8
Vapor hnes 1. If MA4
Fuel lines (hoses. piping. connections. etc ) If if MA-9
Fuel filter See NOTE (11. MA-9
Englne coolant R R MA-10
MA-1 1
Engine 081
MA-1
1
Replace every 7.500 mile6
(12.000 kml or6 months
Replace every 5,000
miles
18.000 kmJ or 6 months
Replace
at the first 011
Except turbocharged engine
Turbocharged engine
Ewne 011 f,lter change and then every MA-1 1 second od change
Spark plugs R R MA-12. 13
I"",..""
Exhaust gas sensor I I MA-15. 16
NOTE:
(1) If vehicle is operated under extremely adverse weather conditions or in areas where ambient temperatures are either
extremely
low or extremely high, the filters mlght become clogged. In such an event, replke them immediately.
(2) Maintenance Items and antervals wlth "*" are recommended by NISSAN MOTOR CO., LTD. Other maintenance items and
intervals
are required.
Abbreviations A = Adjust
R =Replace
I = Inspect Correct or replace if necessary
MA-2
.

CHASSIS AND BODY MAINTENANCE
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Periodic mamtenance should be performed Mdes x 1,000 15 30 45 60
at number of miles. kilometers or months IKnlometers x 1 0001 1241 1481 1721 196) Reference page
whichever comes first Months 12 24 36 48
Brake liner E hoses I I I I MA-26
Brake
pads E discs I 1 I I MA-27
Brake fluid
R R MA-26
Manual and
automatic transmission E differential gear 011 I I I I MA-18, 19. 20
Power rteerlng lines E hares I I I I MA-34
Steering gear & linkage, & suwenston parts I I I I MA-21,22,23.34
Steertng llnkage ball
~OlntL E front suspension ball JOllltS
Propeller shaft14 I I MA-20
Locks.
hinges E hood latch L L L L MA-35
Front wheel bearing grease
I I MA-22
Exhaust system
I I I I MA-17
Seat belts, buckles, retractors. anchors E adiusler I I I I MA-35
I MA-21,34
Abbreviations A =Adlust
R = Replace
I = Inspect Correct or replace if necessary
MAINTENANCE UNDER
SEVERE DRIVING CONDITIONS
The maintenance intervals shown on the
preceding pages are for normal operating
DW"g Mal"te"a"Ce Mal"te"a"Ce Malnte"a"Ce condition item OperaflO" interval
C Aw cleaner filter R More frequently
R Every 3.000 miles Engine 001 IExceDt turbo- ABC E charged engine) 15.000 km) or 3 months conditions If the vehicle is operated under
severe driving conditions as shown below, Engine 081 ITurboCharged R Every 2,500 miles
more frequent maintenance must be per-
formed on the following items as shown in A E
engd
Engine 081 filter R At the first 001 change
(4,000 kml or 3 months
and then every second 011 the table rhmae
Severe driving conditions
A - Repeated short distance driving
6 - Extensive idling
C - Driving in dusty conditions
D - Driving in extremely low or hlgh
ambient temperatures
E - Towing a trailer
F - Driving in areas using road salt or
G - Driving on rough andlor muddy
H - Driving in high humidity areas or in
other corrosive materials
roads
mountainous areas
A C EFG Brake pads & dorm I Every 7,500 miles 112,oW kml or 6 months
124.000 kml or 12 months
I48 Ow kml 01 24 monlhi
H Brakefluid R Every 15.000 miles
EG Manual and automatic trans- R Every 30.000 miles mmmn & drtferentml (lea, 011)
G Steering gear & linkage. I Every 7.500 miles 112 000 kml or 6 months
Every 7,500 miles
112.000 kml or 6 months
& rurpenrlon parm
(I front rurpenrlo" ball 1Ol"fS
CO FG Steering linkage ball pnts I
F Locks. hinges & hood latch I Every 7.930 miles
A EFG Exhaust system I Every 7,500miler
Maintenance operations I = lnr~ect Correct or replace 11 necerrary R = Replace
112.000 kml or 6 months
112.000 kml or 6 monthi

GENERAL MAINTENANCE
General maintenance includes those items which should be checked during the normal day-today operation
of the vehicle They are essential if the vehicle is to continue operating properly The owners can perform the
checks and inspections themselves
or they can have their N ISSAN/DATSUN dealers do them for a nominal
charge
Item Reference item in MA section
OUTSIDE THE VEHICLE
Tires Check the pressure with
a gauge periodically when at
a service station, including the spare, and adjust to the
specified pressure
if necessary Check carefully for damage,
cuts
or excessive wear.
Wheel nuts When checking the tires, make sure no nuts are TIRE REPLACEMENT
missing, and check for any loose nuts Tighten if neces-
sary
0 CHECKING TIRE CONDITION
Wheel nut
Tire rotation Tires should be rotated every 24.000 km 0 TIRE ROTATION
(15,000 miles).
Wheel alignment and balance If the vehicle should pull to 0 CHECKING TIRE CONDITION
either side while driving on
a straight and level road, or if
you detect uneven or abnormal tire wear, there may be a 0 CHECKING WHEEL ALIGNMENT
need for wheel alignment
If the steering wheel or seat 0 WHEEL INSPECTION
vibrates
at normal highway speeds, wheel balancing may be
needed.
Abnormal tire wear
Windshield glass Check for abrasions or scratches -
Windshield wiper blades Check for cracks or wear if they do
not wipe properly
Doors and engine hood Check that all doors and the engine
hood operate smoothly
as well as the trunk lid and back
hatch.
Also ensure, that all latches lock securely Lubricate
if necessary. Make sure that the secondary latch keeps the
hood from opening when the primary latch
is released
-
0 LUBRICATING LOCKS, HINGES AND HOOD
LATCH
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, clean-
ing
the vehicle, etc.
turn signal lights. and other lights are all operating properly
and installed securely.
Also check headlight aim.
Lights Make sure that the headlights,stop lights. tail lights. -
Warning lights and buaerslchimes Make sure that all warn-
ing lights and buzzers/chimes are operating properly
Horn Make sure it operates properly -
Windshield wrper and washer Check that the wipers and
washer operate properly and that the wipers do not streak

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

kmlmils Month
ENGINE ANTI FREEZE- - COOLANT
FRONT WHEEL
BEARING GREASE -
BRAKE FLUID -
DIFFERENTIAL - GEAR OIL
* Maintenance under severe driving condittons
z
tl
:
h)
whsather conditions or in areas where ambient
temperatures are either extremely low or extreme ly high, the filter might becomeclogged In such
, -1 --I-- 4 - -1 - t WINDSHIELD AND REAR
WINDOW WASHER FLUID --
-/---l--]--t-]-- POWERSTEERINGFLUID
w-1 --I- -ENGINE OIL (Except turbocharger engine)
- - @) OIL FILTER
*
--MANUAL TRANSMISSION
--AUTOMATIC
TRANSMISSION
@ Replace at the first 011 change After that. replace 011 filter every second engine 011 change

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 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

ENGINE MAINTENANCE
Changing Ei
WARNING:
To avoid the danger of being scalded, never
attempt to change the coolant when the engine
is hot.
1 Before drainmg engine coolant
1) Except auto air conditioner equipped models
Slide temperature control lever to
"HOT"
position
SMAJ81 A
2) Auto air conditioner equipped models
Turn ignition switch
"ON" and set temperature
at maximum
Then turn ignition switch
"OFF".
SMA782A
2 Open radiator cap and drain plug to drain
engine coolant.
SMA703A
ine Coolant
3 Open drain plug on right side of cylinder block
to drain coolant from cylinder block.
4 Close drain plug and drain cock securely Then,
fill radiator with water and warm up engine
5 Stop engine and wait until it cools down.
6. Repeat procedure from step 2 through step 5
two or three times.
7 Drain water and fill radiator and engine with
new coolant up to
filler opening Follow
instructions attached to anti-freeze container
for
mixing ratio of anti-freeze to water.
Slowly pour coolant through coolant fryer neck
to allow air in system to escape.
8. Fill reservoir tank up to "MAX" level Then
close radiator cap.
9. Run the engine at approximately 2,000 rpm
for about one minute.
IO. Stop the engine and after it cools down, refill
the radiator
and engine with coolant up to the
filler opening. Fill the reservoir tank with
coolant up to "MAX" level.
Coolant capacity:
VG30E engine
VG30ET engine
10.5 P (11-1/8 US qt, 9-1/4 Imp qt)
11.0 P (1 1-5/8 US qt, 9-5/8 Imp qt)
MA-1 0