sensor RENAULT MEGANE SCENIC 1995 Service User Guide

ENGINE AND PERIPHERALS
Engine - Gearbox
10
F8Q engine
- the air inlet sleeve, the air filter and its
mounting,
- the cooling assembly (see section 19
"Radiator"),
- the alternator belt (see section 16
"Alternator").
Disconnect the compressor feed wire (if fitted).
Remove:
- the compressor mounting bolts (if fitted) and
secure it to the front cross member,
- the power assisted steering pump pulley,
- the oil filter,
- the power assisted steering pump mounting
bolts as well as the power assisted steering
pipe bracket bolt.
Move the pump away and secure it to the sub-
frame.
Disconnect:
- the heating hoses on the thermostat
mounting,
98904R1
- the preheating unit (secure it to the engine),
- the accelerator and clutch cables,
- the altimetric sensor corrector,
- the relay plate and the engine connection unit
electrical connector,
- the fuel supply pipe on the diesel filter using
tool Mot. 1311-06,
98756R
99461R
- the connector on the diesel filter. - the brake servo pipe,
- the pipes and connectors on the fast idle and
EGR solenoid valves,
10-15

ENGINES AND PERIPHERALS
Engine and transmission assembly
10
E7J Engine
SPECIAL TOOLING
Mot. 1040-01 Dummy cradle for removing and
refitting the engine and
transmission assembly
Mot. 1202 Hose clip pliers
Front sub-frame mounting bolt 6
Rear sub-frame mounting bolt 11
Upper shock absorber cup mounting bolt 3
Wheel bolts 9
Brake caliper mounting bolt 3.5
Universal steering joint mounting bolt 3.5
TIGHTENING TORQUES (in daN.m)
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect:
- the battery,
- the relay plate and the engine connection unit
electrical connector,
98756R
- the connectors of the ignition module and the
HT coil wire,
- the oxygen sensor connector,
- the accelerator and clutch cables.
Drain:
- the cooling circuit,
- the engine if necessary,
- the gearbox (by removing the cover) if
necessary.
Remove:
- the earth strap,
- the air filter,
- the nut and the eccentric bolt (1) (remove
using a roll pin punch) from the steering shaft
yoke after having pushed the protector back.
97390-1R
10-19

ENGINES AND PERIPHERALS
Engine and transmission assembly
10
K7M engine
/ AT
- the heat shield from the exhaust manifold,
- the catalytic converter (disconnect the oxygen
sensor) and attach the exhaust pipe to the
body,
- the horn,
- the tie rod between the shock absorber
turrets,
- the air filter,
- the earth strap,
- the absolute pressure sensor,
- the expansion bottle and attach it to the
engine.
Disconnect:
- the accelerator cable and the kickdown switch
connector,
- the brake servo pipe,
- the relay plate and the engine connection unit
connectors,
98756R2
- the automatic transmission computer
connector,
- the canister pipe.Remove the battery mounting bracket.
Disconnect:
- the injection feed wire in the scuttle panel
and the starter feed wire,
- the fuel supply and return pipes using tool
Mot. 1311-06, unclipping them from their
mounting,
99461R
- the heater hoses on the thermostat.
Unclip the radiator and hold it to one side by
attaching it to the engine.
10-25

ENGINES AND PERIPHERALS
Engine and transmission assembly
10
F3R engine
98710R
Remove:
- the front wheels,
- the right and left hand mudguards,
- the brake calipers and the ABS sensors (attach
them to the body),
- the sub-frame-body tie rods,
- the exhaust downpipe (disconnect the oxygen
sensor),
- the horn,
- the two exhaust heat shields,
99612R
- the gear control at the gearbox end (turn it
over and attach it to the exhaust pipe),
- the front bumper,
PRJ1002
- the air inlet sleeve, the air filter and its
mounting.
Disconnect:
- the relay plate and the engine connection unit
electrical connector,
98756R
10-30

ENGINES AND PERIPHERALS
Engine and transmission assembly
10
F3R engine
- the accelerator and clutch cables,
- the heater hoses on the thermostat mounting.
Remove the battery mounting bracket.
Disconnect:
- the injection feed wire in the scuttle panel
and the starter feed,
98754R
- the brake servo pipe,
- the connectors for the fan, the relays, the
thermistor and the pressostat,
- the pipe on the canister,
- the upper and lower radiator hoses,
- the fuel return and supply pipes, unclipping
them from their mounting.Remove:
- the suspended engine mounting cap,
- the injection computer mounting and attach
it to the engine,
- the expansion bottle and attach it to the
engine,
- the absolute pressure sensor,
- the accessories belt (see section 11).
Unclip the power assisted steering reservoir.
Disconnect the compressor feed wire (if fitted).
Remove:
- the four mounting bolts for the air
conditioning compressor (if fitted), move it to
one side and attach it to the front of the
vehicle,
- the earth strap,
- the nut and eccentric bolt (1) (use a roll pin
punch) from the steering yoke after pushing
the protector back.
97390-1R
10-31

ENGINES AND PERIPHERALS
Engine and transmission assembly
10
F8Q engine
Remove:
- the preheating unit (attach it to the engine),
- the fuel return union on the injection pump.
Disconnect:
- the fuel supply pipe on the diesel fuel filter
using tool Mot. 1311-06,
99461R
- the altimetric sensor connector,
- the relay plate and the engine connection unit
electrical connector,
98756R
- the feed wire for the preheating unit in the
scuttle panel and the starter feed.
98754R
- the heater hoses on the thermostat mounting,
98904R1
10-38

ENGINE AND PERIPHERALS
Sump
10
SPECIAL TOOLING REQUIRED
B.Vi. 31-01 Set of punches
Mot. 453-01 Hose clamp pliers
Mot. 1311-06 Tool for removing fuel pipe
T.Av. 476 Ball joint extractor
Wheel bolt 9
Track rod nut 3.5
Shock absorber base bolt 17
Engine tie bar bolt:
- on gearbox 6.5
- on sub-frame 7.5
Right hand engine mounting nut 4.5
Left hand gearbox mounting nut 4.5
Sump bolt 0.7 to 0.9
Oil pump bolt 2.5
Tie bar bolt on gearbox 2.5
Tie bar bolt on engine 5
TIGHTENING TORQUES (in daN.m)
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery.
Remove the expansion bottle and position it
below the level of the upper radiator hose on the
thermostat.
Disconnect the upper radiator hose on the
thermostat and clamp it using tool Mot. 453-01.
98710R
Remove:
- the front wheels,
- the right hand mudguard,
- the catalytic converter (disconnect the oxygen
sensor connector),
- the gearbox control at the gearbox end. K7M engine
steel sump
EQUIPMENT REQUIRED
Engine support tool
(example : DESVIL M300)
10-48

TOP AND FRONT OF ENGINE
Cylinder head gasket
11 E7J - K7M ENGINE
SPECIAL TOOLING REQUIRED
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery.
Remove:
- the timing belt (see section 11, timing belt),
- the air filter,
- the rocker box cover,
- the earth strap,
- the fuel pipes,
- the canister solenoid valve pipe.
Disconnect the throttle body connections.(in daN.m)
TIGHTENING TORQUESor
(in degrees)
Wheel bolt 9
Crankshaft pulley 2 daN.m + 68° ± 6°
Timing tensioner nut 5
98714R3
Release the wiring from the cylinder head.
Remove the upper mounting bolt for the dipstick ,
the brake servo pipes and the absolute pressure
sensor, together with the accelerator cable. Mot. 588 Retaining flange
Mot. 591-02 Index
Mot. 591-04 Angular wrench for angular tightening
Mot. 1273 Tool for checking belt tension
EQUIPMENT REQUIRED
Star socket ST X 12 FACOM for example
11-12

TOP AND FRONT OF ENGINE
Cylinder head gasket
11
Drain the cooling circuit via the lower radiator
hose and the cylinder block via the drain bolt.
92073R1
Remove:
- the thermostat hose,
- the connectors for the sensors,
98711R3
- hoses 4,5,6, and 7,
- the upper alternator mounting,
98745R1
- the exhaust heat shield,
- the exhaust downpipe,
- the cylinder head bolts except bolt (F) which
should be slackened off only (use a 12 star
socket, for example
ST X 12 FACOM ), then
pivot the cylinder head around this bolt,
92106R
E7J - K7M ENGINE
11-13

TOP AND FRONT OF ENGINE
Cylinder head gasket
11 F3R ENGINE
Remove:
- the timing belt (see section 11-Timing belt),
- the spark plug caps.
98899R
98900S
Disconnect:
- the pinking sensor,
- the cylinder reference sensor,
- the absolute pressure sensor and its pipe,
- the idle speed valve,
- the air and coolant sensors,
- the throttle potentiometer,
- the injectors,
- the canister solenoid valve pipe,
- the oil vapour rebreathing pipe,
- the brake servo pipe,
- the accelerator cable,
- the fuel supply and return pipes (gallery end),
- the coolant temperature sensor (9).
Remove:
- the air filter,
- hoses 3, 4, 5, 6, 7, 8,
99222R
11-17