1987 NISSAN PULSAR fuel filter

94 Fuel and Engine Management

FUEL FILTER
To Remove and Install
Refer to the Engine Tune-up section for the
procedure to remove and install the fuel filter.

FUEL PUMP
To Test Electrical Circuit
Refer to the EGI and Fuel Pump Relays heading
later in this section for the test procedures.

To Remove and Install
(1) Depressurize the fuel system as previously
described.

(2) Disconnect the negative battery terminal.
(3) Remove the rear seat backrest as described
under the Seats heading in the Body section.
(4) Remove the bolts securing the fuel pump
cover plate to the floor pa nel, remove the rubber
grommet and slide the cover plate from the wiring
harness. (5) Mark the fuel hoses to ensure correct install-
lation and disconnect the hoses from the fuel pump. (6) Remove the fuel pump retaining screws and
carefully remove the fuel pump from the fuel tank.


View of the fuel pump cover plate removed, showing
the fuel pump installed.
Installation is a reversal of the removal procedure
with attention to the following points:

(1) Ensure that a new fuel pump O ring seal is
installed. (2) Tighten the fuel pump retaining screws and
the fuel hose clamps securely.
(3) Ensure that the rubber grommet is seated
correctly in the fuel pump cover plate. (4) Install the fuel pump cover plate ensuring
that the arrow on the plate is facing the front of the
vehicle. (5) Connect the negative battery terminal, start
the engine and test for leaks as previously described.
Rectify as necessary.
FUEL PRESSURE REGULATOR
To Remove and Install — 1.8 Liter Engine
(1) Depressurize the fuel system as previously
described.

(2) Disconnect the negative battery terminal.
View of the fuel pump assembly removed from the fuel
tank. Installed view of the fuel pressure regulator. 1.8 liter
engine.

96 Fuel and Engine Management

terminal D16 on 1.6 liter engines, or D15 and D16
on
1.8 liter engines.

The test lamp should light.
If the test lamp does not light check the wiring
harness for continuity between the injector wiring
connector(s) and the control unit wiring connector
terminals.

Repair or renew the wiring harness as necessary.
To Remove and Install Injectors and Fuel Rail — 1.8
Liter Engine.

(1) Depressurize the fuel system as previously
described.
(2) Disconnect the negative battery terminal.
(3) Thoroughly clean around the injectors and

View of the fuel rail, injectors and pressure regulator
removed from the engine.
the fuel rail to prevent foreign material entering the
engine.

(4) Suitably mark the fuel hoses, loosen the hose
clamps and disconnect the fuel hoses from the fuel
rail. (5) Disconnect the vacuum hose from the fuel
pressure regulator. (6) Loosen the hose clamp and disconnect the
engine ventilation hose from the throttle body. (7) Remove the bolts securing the fuel rail and
injectors to the inlet manifold. (8) Carefully raise the fuel rail and injectors
from the inlet manifold until the injector nozzles are
clear of the manifold. (9) Disconnect each injector wiring connector by
pushing in the wire retaining clip.
(10) Using a small screwdriver, remove the injec-
tor retaining clip and withdraw the injectors from the
fuel rail.
Installation is a reversal of the removal procedure
with attention to the following points:

(1) Check the condition of the injector O ring
seals and renew if necessary. (2) Install the injectors to the fuel rail and secure
with the retaining clips. (3) Connect the wiring connectors to each injec-
tor ensuring that the wire clip is locked in position. (4) Install the injectors to the inlet manifold,
carefully guiding the injectors into place ensuring that
the O ring seals are not damaged.
(5) Install the fuel rail retaining bolts and tighten
to the specified torque. (6) Install the fuel hoses to the fuel rail
and
tighten the hose clamps securely.
(7) Check for fuel leaks as previously described.
To Remove and Install Injector — 1.6 Liter Engine

(1) Depressurize the fuel system as previously
described. (2) Disconnect the negative battery terminal.
(3) Remove the air cleaner assembly. If neces-
sary refer to the heading Air Cleaner Assembly in this
section.
(4) Remove the injector retaining plate screw
and remove the injector retaining plate from the
throttle body assembly. (5) Insert the blade of a screwdriver from the
front of the throttle body assembly under the rim of
the injector in which the retaining plate locates.
Support the screwdriver on a suitable object to act as
a fulcrum. (6) Carefully lever the screwdriver until the
injector can be withdrawn from the throttle body
assembly.
(7) Remove and discard the upper and lower O
ring seals from the injector . If necessary remove the
lower filter screen from the injector.
NOTE: As the injector contains electrical

View of the fuel injector removed from the throttle body assembly. 1.6 liter engine.

Fuel and Engine Management 97
circuitry do not immerse it in cleaning
solvent as this may result in irreparable
damage.

Installation is a reversal of the removal procedure
with attention to the following points:

(1) Lubricate the new O ring seals with auto-
matic transmission fluid prior to installing them to the
injector. If removed, ensure that the lower filter screen
is installed. (2) Firmly push the injector into the throttle
body assembly until it is fully seated, ensuring that the
injector connection terminals face towards the rear of
the vehicle.
(3) Apply Loctite 262 to the injector retaining
plate screw and tighten securely.
(4) Start the engine and check for fuel leaks as
previously described.
(5) Install the air cleaner and tighten the retain-
ing nuts securely.
FUEL METER ASSEMBLY - 1.6 LITRE
ENGINE

To Remove and Install
(1) Remove the injector as previously described.
(2) Mark the fuel supp ly and return hoses,
release the clamps and disconnect the hoses from the
fuel meter assembly.
(3) Remove the air cleaner assembly base gasket
from the fuel meter assembly. (4) Remove the bolts and screws securing the
fuel meter assembly to the throttle body and remove the fuel meter assembly. Remove and discard the
gasket.

(5) If necessary, remove the fuel pressure regu-
lator as previously described.

Installation is a reversal to the removal procedure
with attention to the following points;

(1) If removed, install the fuel pressure
regulator
as previously described.
(2) Place a new gasket on the throttle body,
aligning the holes in the gasket with those in the
throttle body, ensuring that the idle air passage is not
blocked. (3) Coat the fuel meter assembly retaining
screws with Loctite 26 2 and tighten securely.
(4) Install the fuel meter assembly retaining bolts
and tighten to the specified torque.
(5) Connect the fuel supply and return hoses and
tighten the clamps securely. (6) Install the injector as previously described.
(7) Start the engine and check for fuel leaks.
Rectify as necessary. (8) Install the air cleaner assembly.
FUEL TANK

To Remove and Install
(1) Depressurize the fuel system as previously
described.
(2) Disconnect the negative battery terminal.
(3) Remove the fuel pump cover plate retaining
screws, disconnect the wi ring harness rubber grommet
from the cover plate and remove the cover plate from
the wiring harness. (4) Raise the rear of the vehicle and support it
on chassis stands. Refer to the Wheels and Tires
section if necessary. (5) Remove the fuel tank drain plug and drain
the fuel into a petroleum resistant container. (6) Mark the fuel hoses and disconnect the hoses
from the fuel pump.
(7) Disconnect the hoses from the fuel filler neck
pipe, the fuel check valve and the fuel tank breather
pipe.
View of the fuel meter assembly removed from the
throttle body. HANDBRAKE CABLE MOUNTING
Installed view of the fuel tank.

Fuel and Engine Management
(8) Remove the bolts retaining the intermediate
exhaust pipe to the rear of the catalytic converter,
remove the bolt securing the exhaust mounting to the
underbody and slightly lower the intermediate exhaust
pipe. Support the intermediate pipe to prevent the
tailpipe fouling the lower bumper panel.
(9) Remove the bolts retaining the stabilizer bar
mounting brackets to the underbody and allow the
stabilizer bar to drop.
(10) Remove the bolts retaining the exhaust heat
shield to the underbody, located at the front of the
fuel tank. (11) Remove the handbrake cable mounting
bracket retaining nuts and remove the mounting
brackets from the mounting studs. (12) Remove the fuel tank retaining bolts and
maneuver the fuel tank from the vehicle. Installation is a reversal of the removal procedure
with attention to the following points:

(1) When installing the fuel tank, ensure that the
fuel pump wiring harness is directed through the
aperture in the floor. (2) Install the stabilizer bar mounting
bracket
bolts and tighten to the specified torque. Refer to the
Rear Suspension section.
(3) Using a new gasket, install the intermediate
exhaust pipe to the catalyti c converter ensuring that
the earth wire terminal is installed and tighten the
bolts securely. (4) Connect the fuel filler neck hose, the fuel
check valve hose and the breat her hose ensuring that
they are secured firmly. (5) Tighten the fuel tank drain plug to the
specified torque. (6) Connect the fuel hoses to the fuel pump,
using the marks made during removal to ensure
correct installation. (7) Install the fuel pump wiring harness and the
rubber grommet to the fuel pump cover plate. Install
the cover plate and tighten the retaining bolts se-
curely.
(8) Connect the fuel pump wiring connector
securely. (9) Check for fuel leaks as previously described.
6. AIR FLOW COMPONENTS
NOTE: Before proceeding with any of the
operations in this section, refer to the Ser-
vice Precautions and Procedures heading.

AIR CLEANER ASSEMBLY
To Renew Element
The procedure for renewing the air cleaner ele-
ment is covered in the Engine Tune-up section.

To Remove and Install — 1.8 Liter Engine
(1) Disconnect the negative battery terminal.
(2) Release the air intake hose retaining clamps,
disconnect the hose from the air cleaner upper
housing and the throttle body and remove the hose. (3) Remove the screw securing the air cleaner
intake duct to the front panel mounting bracket. (4) Remove the hexagon head screws retaining
the air cleaner mounting bracket to the right hand
inner mudguard and remove the air cleaner from the
engine compartment. (5) Release the upper housing retaining clips,
separate the upper housing from the lower housing
and remove the element. (6) Remove the air cleaner intake duct retaining
screw and disconnect the duct from the lower air
cleaner housing. (7) If necessary, remove the bolts securing the
mounting bracket to the ai r cleaner lower housing and
separate the mounting bracket from the housing. (8) Thoroughly clean the upper and lower hous-
ings in cleaning solvent and check for cracks, splits or
damage that would allow unfiltered air to enter the
engine. Renew any components as necessary.
Installation is a reversal of the removal procedure
with attention to the following points:

(1) Ensure that the r ubber insulators are in-
Dismantled view of the ai r cleaner assembly. 1.8 liter
engine.

Fuel and Engine Management 99
stalled on each side of the air cleaner mounting
bracket when installing the mounting bolts.

(2) If renewing the element, ensure that the
specified element is installed and is correctly seated in
the air cleaner housing. (3) Ensure that the air intake hose clamps are
tightened securely.
To Remove and Install — 1.6 Liter Engine

(1) Disconnect the negative battery terminal.
(2) Remove the nuts and washers retaining the
air cleaner to the throttle body assembly. (3) Release the top cover retaining clips and
remove the top cover and the air cleaner element.
Remove the air cleaner retainer from the throttle body
bolts. (4) Disconnect the engine vent hose from the air
cleaner support clamp. (5) Slightly raise the air cleaner and tilt it
towards the windscreen. Disc onnect the engine vent
hose and the temperature sensor vacuum hose from
the underside of the air cleaner. (6) Remove the air cleaner housing from the
engine.

Dismantled view of the air cleaner.
(7) Thoroughly clean the air cleaner housing and
top cover and check for cracks or damage that would
allow unfiltered air to enter the engine. Renew any
components as necessary.

Installation is a reversal of the removal procedure
with attention to the following points:

(1) Inspect the air cleaner base gasket. Renew if
necessary. (2) Connect the engine vent hose and the tem-
perature sensor vacuum hose. (3) Install the air cleaner ensuring that the hot air
inlet tube is located correc tly between the exhaust heat
shield and the air cleaner housing. (4) When installing the top cover retaining nuts,
hand tighten only. THROTTLE BODY ASSEMBLY

To Remove and Install — 1.8 Liter Engine
(1)
Disconnect the negative battery terminal.
(2) Release the air intake hose clamp and dis-
connect the air intake hose from the throttle body. (3) Unclip the actuating rod from the throttle
lever using a small screwdriver under the ball socket if
necessary.
(4) Mark the throttle body vacuum hoses with
quick drying paint or similar and disconnect the hoses
from the throttle body. Disconnect the engine vent
hose from the throttle body. (5) Disconnect the wiring connectors from the
throttle position sensor and the IAC valve.
(6) Remove the retaining nuts and withdraw the
throttle body and gasket.
View of the throttle body and actuating rod. The rod
length must be set so that dimension A - 8—9 mm for
automatic transaxle models and 3—4 mm for manual
transaxle models.

View of the throttle body and associated components.

140
AUTOMATIC TRANSAXLE
SPECIFICATIONS
Make .............................................. JATCO RL3F01A
Type .....................3 speed and reverse epicyclic gear
train with lock up torque converter
Operation .................................... Automatic hydraulic
Lubricant:
Type....................................................... Dexron IT
Capacity................................................. 6.3 liters
TORQUE WRENCH SETTINGS
Drive plate to crankshaft bolls ........................60 Nm
Drive plate to torque converter bolts ..............49 Nm
Convener housing to engine ...........................22 Nm
Converter housing to transaxle ........................23 Nm
Transaxle sump to transaxle ............................. 7 Nm
Oil cooler pipe to transaxle .............................49 Nm
Selector shaft locknut .......................................42 Nm
Transaxle filter bolts.........................................12 Nm
1. AUTOMATIC TRANSAXLE TROUBLE SHOOTING
NO DRIVE IN D RANGE
{1) Low fluid level in transaxle: Check the fluid
level in the transaxle and top up if required.

(2) Incorrectly adjusted selector cable: Check
and adjust the selector cable as detailed. (3) Incorrect or contaminated transaxle fluid:
Drain and refill with the recommend type and quan-
tity of transaxle fluid.
NOTE: Check the possible causes in the
order given.

NO REVERSE IN R RANGE
(1) Low fluid level in transaxle: Check the fluid
level and top up if required. (2) Incorrectly adjusted selector linkage: Check
the condition of the selector cable, selector quadrant
and selector arm for wear and damage. Adjust as
required.

Check the drive shaft oil seals as a likely leak source.
SLIPPING OR ROUGH UPSHIFT
(1) Incorrectly adjusted selector linkage: Check
and adjust the selector linkage. (2) Low fluid level in transaxle: Check the fluid
level and top up if required.
NO TRANSAXLE KICKDOWN
(1) Incorrectly adjusted throttle cable: Check
and adjust the cable as detailed in the Fuel and Engine
Management section.
Check the oil cooler hose connections for leaks if the
fluid level is low.