1995 RENAULT MEGANE SCENIC Fuel

FUEL TANK
Gauge
19
For petrol engines, the pump and gauge sender
unit are an inseparable assembly.
For diesel engines, there is no pump submerged in
the fuel tank, there is only a gauge sender unit.
For removing the gauge sender unit refer to the
section FUEL TANK "Pump - sender unit".
Checking the gauge sender unit
Ensure the resistance varies by moving the float.
DisplayValue between terminals
A1 and B1 (in Ω)
4/4 7 maximum
3/4 54.5 ± 7
1/2 98 ± 10
1/4 155 ± 16
Minimum 300 ± 20
Display Height H (in mm)
4/4 48
3/4 90
1/2 133
1/4 147
Minimum 190
Measuring the height H
With the gauge sender unit removed, place it on a
flat surface.
H is the height measured between the float pin
and the working surface.
NOTE : these value are given for information only.
19-25

Mot. 1264-01 Wrench for removing the pump -
sender unit nut.
Mot. 1265 Pliers for removing quick release
unions (petrol engine)
Mot. 1265-01 Pliers for removing quick release
unions (diesel engine)
FUEL TANK
Pump and sender unit
19
SPECIAL TOOLING REQUIRED
IMPORTANT :
During all operations on the fuel tank or fuel sup-
ply circuit, it is vital to:
- avoid smoking and keep all heat sources away
from the working area,
- take precautions against fuel splashes due to
the residual pressure in the fuel pipes when
they are removed.
REMOVAL
The fuel tank does not need to be removed to re-
move the pump and sender unit assembly. It may
be reached from inside the vehicle as follows :
- disconnect the battery,
- lift the rear bench seat,
- remove the plastic cover,
- disconnect the electrical connector (1),
- remove the clips (2).
97163R5
19-26

FUEL TANK
Pump and sender unit
19
Use pliers Mot. 1265 (petrol engine) or Mot. 1265-
01 (diesel engine) to disconnect:
- the fuel supply pipe (3) (marked by a green
quick release union),
- the fuel return pipe (4) (marked by a red quick
release union and an arrow (B)).
96420R1
Remove the mounting nut (5) using tool
Mot. 1264-01 (release the nut, remove the tool
then slacken the nut by hand and remove it).
Remove the pump and sender unit assembly.
99367S
NOTE : if several hours may elapse between remo-
ving and refitting the pump and sender unit as-
sembly, refit the nut to the fuel tank to prevent it
from distorting.
19-27

FUEL TANK
Pump and sender unit
19
REFITTING
Check the seal is not damaged and renew it if ne-
cessary.
First fit the seal on the fuel tank before refitting
the assembly.
Position the pump and sender unit assembly (ar-
row (F) should be aligned with the longitudinal
axis of the vehicle, pointing backwards).
Fit the nut and tighten it to a torque of
3.5 daN.m.
Clip the fuel pipes back together (tools Mot. 1265
or Mot. 1265-01 do not need to be used).
Refit the safety clips (2).
Reconnect the electrical connector .
Refit the plastic cover.
ALLOCATION OF CONNECTOR TRACKS
TRACK ALLOCATION
A1 Earth
A2 Low fuel warning light
B1 Gauge information to instrument panel
B2 Not used
C1 Pump
C2 Pump
19-28

SPECIAL TOOLING REQUIRED
Mot. 1040-01Dummy cradle for removing-
refitting the engine and
transmission assembly
Mot. 1202Hose clamp pliers
Mot. 1311-06Tool for removing fuel pipes
TIGHTENING TORQUES (in daN.m)
Sub-frame front mounting bolts6
Sub-frame rear mounting bolts11
Shock absorber upper cup mounting bolts3
Wheel bolts9
Brake caliper mounting bolts3.5
Steering universal joint mounting bolt3.5
Nut for mounting rubber engine mounting
onto front left side-member mounting4.5
Put the vehicle on a two post lift.
Disconnect the battery.
Drain:
- the cooling circuit through the lower radiator
hose (radiator end),
- the engine if necessary.
Remove:
- the front wheels,
AUTOMATIC TRANSMISSION
Automatic transmission (Removal - Refitting)
23
K7M
ENGINE
- the left and right hand mudguards,
98710S
- the sub-frame-body tie-rods,
- the brake calipers and secure them to the body,
- the front bumper,
REMOVING FROM UNDERNEATH
PRG23.1
23-15

- the heat shield from the exhaust manifold,
- the catalytic converter (disconnect the oxygen
sensor) and secure the exhaust pipe to the
body,
- the horn,
- the acoustic tie-rod between the shock
absorber turrets,
- the air filter,
- the earth strap,
- the absolute pressure sensor,
- the expansion bottle and secure it to the
engine.
Disconnect:
- the accelerator cable as well as the kickdown
switch connector,
- the brake servo pipe,
- the relay plate and the electrical connectors
from the engine connection unit,
AUTOMATIC TRANSMISSION
Automatic transmission (Removal - Refitting)
23
K7M
ENGINE
- the connector from the automatic transmission
computer,
- the canister pipe.
Remove the battery mounting bracket.
- the heating pipes on the thermostat.
Unclip the radiator and move it away by securing
it to the engine.
98756R
Disconnect:
- the injection supply wire located in the scuttle
panel as well as the starter motor supply,
- the fuel inlet and outlet hoses using Mot. 1311-
06, unclip them from their support,
99461R
23-16

83
INSTRUMENT PANEL
Fuel level sensor

83
INSTRUMENT PANEL
Fuel level sensor