Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 300ZX 1984-1985,1988,1990,1994-1996 Approved 1984 Engine Fuel & Exhaust
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ENGINE CONTROL, FUEL &
EXHAUST SYSTEM1
SECTION FE
CONTENTS
ENGINE CONTROL SYSTEM FE-2
FUEL SYSTEM . . . . . . FE-3
EXHAUST SYSTEM .. . ... FE-5
ENGINE CONTROL SYSTEM
Accelerator Control System
a Check to see if throttle valve fully opens when accelerator pedal is fully depressed and if it returns to idle
when released.
b. Adjust accelerator pedal free play b y turning adjusting nut.
c On automatic transmission models, make sure kickdown switch rod is fully pushed in when accelerator
pedal is depressed completely
d ON A.S C.D equipped models, first adjust accelerator wire and then A S C.D cable. For details, refer t o
"Automatic Speed Control Device" in EL section
e Check accelerator control parts for improper contact with any adjacent parts
f When connecting accelerator wire, be careful not to twist or scratch i t s inner wire.
g Apply a light coat o f recommended multi-purpose grease t o all sliding or friction surfaces Do not apply
grease to wire
AS C D anuator
Bushing IReplacel
(D)20-40(31-41.22 30
-
4 5 IO 4.0.5.2 9 .3.61
Klckdown switch I A / T )
Ickdown
\ Frar play at pedal
\
pad comer
1-2mm
IO 0 4 . 0 08 ml
0 N m Ikgm,ft-lbl SFE753
FE-2
FUEL SYSTEM
WARNING:
When replacing fuel line parts, be sure to observe the following.
a. Put a "CAUTION. INFLAMMABLE" sign in workshop.
b. Be sure t o furnish the workshop with a C 0 2 fire extinguisher.
c. Be sure t o disconnect battery ground cable before conducting operations
d Put drained fuel i n an explosion-proof container and put lid on securely.
CAUTION :
Before disconnecting fuel hose, release fuel pressure from fuel h e . Refer t o the "Releasing Fuel Pressure"
a Do not disconnect any fuel line unless absolutely necessary.
b. Plug hose and pipe openings t o prevent entry of dust or dirt
c. Always replace O-ring and clamps with new ones
d. Do not kink or twist hose and tube when they are installed.
e Do not tighten hose clamps excessively t o avoid damaging hoses.
f When installing fuel check valve, be careful of i t s designated direction (Refer to section EC).
g. Run the engine and check for leaks a t connections
FE-3
FUEL SYSTEM
Removal of Fuel Tank
Do not separate fuel tank and fuel filler tube ex- 8 When installing fuel filler neck ring tighten as
cept when replacement is necessary. follows~
1 Disconnect harness connectors of fuel tank -Filler tube
gauge unit and electric fuel pump in luggage
compartment
2 Siphon or pump fuel from filler opening of fuel
tank into a suitable container Then blow away
fuel from filler opening with compressed clean
air
3 Remove fuel filler neck ring
/,/I' SFE765
-Removal of Fuel Gauge Unit-
Lift fuel gauge unit straight up off the fuel tank
Do not strike
with hammer
and tool
"1 1 / SFE756
Resistor gauge is made of ceramic material. Be
careful not t o bend it.
4 Remove rear right side wheel
5 Remove fuel filler tube protectors and discon-
nect ventilation hose
SFE757
-
SFE755 -Removal of Electric Fuel Pump-
6. Disconnect fuel hoses and evaporative hose on Remove fuel tank, then detach fuel pump
fuel tube side.
7 Loosen bolt and nut securing mounting bands
and then remove fuel tank with filler tube.
FE-4
EXHAUST SYSTEM
CAUTION.
Be careful not to drop or damage catalytic converter.
Never wet catalytic converter with water, oil, etc
When removing muffler assembly, always separate it from center tube
On non-turbocharger models, when removing heat shield plates from front tube, remove the entire front
tube assembly
After installation, check that mounting brackets and mounting insulator are free from undue stress I f
any o f above parts is not installed properly, excessive noises or vibrations may be transmitted t o vehicle
body
When connecting center tube and muffler assembly, use the Genuine Nissan Sealant "Exhaust Sealant K i t
20720.N2225" or an equivalent t o eliminate gas leakage a t the joint
Check all tube connections for exhaust gas leaks, and entire system for unusual noises, with engine
running
FE-5
EXHAUST SYSTEM
FE-6
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