air condition RENAULT MEGANE SCENIC 1995 Service Repair Manual

VALUES AND SETTINGS
Accessories belt tension
07
98706R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
T Tensioner
→Tension check point
ALTERNATOR AND POWER ASSISTED STEERINGE7J / K7M
ENGINES
98707R
Tension
(US=SEEM unit)Multitoothed
air
conditioning
belt (1)Multitoothed
alternator belt
(2)Multitoothed
power assisted
steering belt
(3)
Fitting110 ± 7 84 ± 6 84 ± 6
Minimum
operating75 52 52
AIR CONDITIONING
07-8

VALUES AND SETTINGS
Accessories belt tension
07
98751R
AIR CONDITIONING ALTERNATOR AND POWER ASSISTED STEERING
F3R
ENGINE
98752R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
E Water pump
T Tensioner
→Tension check point
Tension
(US=SEEM unit)Multitoothed
air
conditioning
belt (2)Multitoothed
power assisted
steering belt
(1)
Fitting109 ± 3 107 ± 3
Minimum
operating62 62
07-9

VALUES AND SETTINGS
Accessories belt tension
07
98837-1R2
Remove :
- the lower timing cover,
- the belt.
SPECIAL NOTES FOR REMOVING THE
ACCESSORIES BELT
REMOVAL
Disconnect the battery.
Before removing the accessories belt, check the
value of the tension.
The tension measured must be between 61 and 77
SEEM units.
F8Q ENGINE
Air conditioning
98837R2
Slacken bolt (A) then bolt (B), until the shoulder is
exceeded, whilst holding the automatic tensio-
ning plate using a 9 mm socket (eg. : FACOM J
151 ratchet), then slacken the belt by moving the
ratchet in the direction of the arrow. Remove the mounting bolt for the diesel pipe re-
taining bracket and move it.
99706R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
E Water pump
G Roller
T Tensioner
→Tension check point
07-11

VALUES AND SETTINGS
Accessories belt tension
07
REFITTING
Refitting is the reverse of removal.
The belt is tensioned by bringing the automatic
tensioner up against the bolt (B), without forcing
it, using a 9 mmsocket (eg. : FACOM J151 rat-
chet).
F8Q ENGINE
Air conditioning
98837-1R3
Check the tension of the accessories belt with the
previously listed values.
NOTE: never refit a belt which has been removed.
07-12

Page
COOLING
Specifications
Filling - bleeding
Checking
Radiator
Diagram
Exhaust
General
Catalytic converter
Exhaust pipe assembly
Fuel tank
Fuel tank
Filler neck
Gauge
Pump and sender unit
Engine suspension
Suspended engine mountings
Engine mounting pads19-1
19-2
19-3
19-4
19-6
19-12
19-15
19-16
19-19
19-23
19-25
19-26
19-29
19-32 COOLING - EXHAUST- FUEL TANK -
ENGINE SUSPENSION
1916-1
16-9 STARTING - CHARGING
Alternator
Starter motor
16
IGNITION - INJECTION
IGNITION
Power module
Static ignition
Spark plugs
Injection
General
Location of components
Special notes on semi-sequential
injection
Special notes on sequential injection
Injection fault warning light
Engine immobiliser function
Computer configuration as a
function of the gearbox type
17
14-1
14-9
14-13
14-19
14-21
14-22 ANTIPOLLUTION
Fuel vapour recirculation
Oil vapour rebreathing
Exhaust gas recirculation (EGR)
Catalytic converter
Catalytic converter - oxygen sensor
Test for the presence of lead
14
17-28
17-29
17-32
17-33
17-34
17-36
17-39 IGNITION - INJECTION
(continued)
Injection strategy / automatic
transmission
Injection strategy / air conditioning
Idle speed correction
Idle speed adaptive correction
Richness regulation
Adaptive richness correction
Operating wiring diagram
17
Page
17-1
17-2
17-5
17-6
17-12
17-17
17-19
17-24
17-25
17-26
Contents

ENGINE AND PERIPHERALS
Engine - Gearbox
10
K7M engine
98749R
Remove:
- the heat shield from the exhaust manifold
- the catalytic converter,
- the gearbox selector rod,
- the nuts (1) from the engine and gearbox
mountings,
- the nuts (2) from the engine tie-bar mounting,
PRJ1001
- the power assisted steering pipe mountings
from the gearbox,
- the speedometer.
Disconnect the reversing light.
Remove:
- the acoustic tie-rod between the two shock
absorber turrets,
- the air filter,
- the accelerator cable from the throttle body,
- the clutch cable from the gearbox,
- the hoses (4), (5), (6), (7) and (8),
- the expansion bottle and secure it to the
wheelarch,
- the fuel supply and return pipes,
- the brake servo pipe,
- the absolute pressure sensor,
- the earth strap.
Disconnect:
- the power assisted steering and air
conditioning pressostats,
- the compressor supply and the fan unit
supply,
- the temperature switch sensor.
99167R
10-8

ENGINE AND PERIPHERALS
Engine - Gearbox
10
K7M engine
Remove:
- the relay plate and the engine connection unit
connector,
98756R
- the pipe from the canister solenoid valve,
- the injection computer and secure it to the
engine,
- the starter motor feed wire from the battery.
Disconnect the injection feed wire located in the
scuttle panel.
98754R
Remove:
- the accessories belt,
- the power assisted steering pump pulley.
Move the power assisted steering pump and the
the air conditioning compressor away (without
opening the circuits).
Secure the low pressure pipe for the compressor
to the air filter mounting.
Position the load positioning tool.
Lift the engine to remove the three bolts, the
engine tie-bar mounting and the gearbox
mounting.
Remove the engine.
REFITTING
Refitting is the reverse of removal.
Fill the gearbox and the cooling circuit and bleed
the circuit (see section 19).
Fit the brake caliper bolts with Loctite
FRENBLOC and tighten to the correct
torque.
Press the brake pedal several times to bring the
pistons back into contact with the pads.
NOTE: ensure the heat shields are correctly
positioned.
10-9

ENGINE AND PERIPHERALS
Engine - Gearbox
10
F (E) engine
- the relay plate and the engine connection unit
connector,
98756R
- the earth strap,
- the suspended engine mounting cover cap.
Disconnect:
- the injection computer and unclip it from the
computer mounting,
- the injection feed wire located in the scuttle
panel,
- the starter motor feed.
98754R
Remove the fuel supply and return pipes.
Remove the absolute pressure sensor.
Disconnect:
- the air conditioning and power assisted
steering pressostats,
- the compressor and fan unit supply,
- the temperature switch sensor and the oxygen
sensor,
- the canister bleed pipe.
Remove:
- the expansion bottle,
- the injection computer mounting,
- the accessories belt (see section 11),
- the power assisted steering pulley.
Remove the three bolts (1) from the power
assisted steering pump and the four bolts (2) from
the air conditioning compressor.
99502-3R
10-12

ENGINE AND PERIPHERALS
Engine - Gearbox
10
F (E) engine
Move the power assisted steering pump and the
air conditioning compressor away (without
opening the circuits).
Remove the air conditioning low pressure pipe
clip on the suspended gearbox mounting.
Remove the bonnet.
Remove the engine tie-bar.
99308R4
Position the load positioning tool.
Lift the engine to remove the suspended engine
mountings adn gearbox.
Remove the engine.
REFITTING
Refitting is the reverse of removal.
For the accessories belt tension (see section 07).
Fit the suspended engine mounting cover and the
movement limiter assembly.
ADJUSTING THE LONGITUDINAL MOVEMENT
LIMITER
Slacken the two limiter bolts (E).
Insert the fork for centring the limiter Mot. 1289-
03 into the openings in the suspended engine
mounting cover.
99166-1R
Tighten the two limiter bolts (E) to a torque of
6 daN.m.
Fill the gearbox and cooling circuit and bleed the
circuit (see section 19).
Fit the brake caliper bolts with Loctite
FRENBLOC and tighten to the correct tor-
que.
Press the brake pedal several times to bring the
pistons back into contact with the pads.
NOTE: ensure the heat shields are correctly
positioned.
10-13

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