1995 RENAULT MEGANE SCENIC Fuel

TOP AND FRONT OF ENGINE
Cylinder head gasket
11 F3R ENGINE
99028R
Remove:
- the throttle body,
- the fuel gallery.
Note : ensure that seals (13) do not fall off when
removing the pump, Diagram for drilling tool Mot. 1159 for use with
BA0X (diameter 10.5 mm).
Fit the bracket of tool Mot. 1159 under the water
pump.
99310R
99215R
Remove the engine support tool DESVIL M300 for
example.- the cylinder head bolts, using a 10 mm, long allen
key,
FACOM ST10L for example.
- the cylinder head.
11-19

TOP AND FRONT OF ENGINE
Cylinder head gasket
11F8Q ENGINE
REMOVAL
Put the vehicle on a 2 post lift.
Disconnect the battery.
Remove the engine undertray.
Drain the cooling circuit via the lower radiator
hose (radiator end).
SPECIAL TOOLING REQUIRED
TIGHTENING TORQUES (in daN.m)
Wheel bolt 9
Crankshaft pulley bolt 12
Suspended engine mounting cover bolt 6
Suspended engine mounting limiter bolt 4
Tensioner nut 5
EQUIPMENT REQUIRED
Star socket ST X 14 FACOM for example
Star socket EX 255 FACOM for example
Engine support tool DESVIL M300 for example
99174R
Mot. 251-01 Dial gauge mounting
Mot. 252-01 Pressure plate for measuring cylinder liner protrusion
Mot. 1311-06 Tool for removing fuel pipe
Mot. 591-02 Index
Mot. 591-04 Angular wrench for tightening the cylinder head
Mot. 1054
TDC pin
Mot. 1159 Tool for retaining the engine on the sub-frame
Mot. 1202 Hose clip pliers
Mot. 1273 Tool for checking belt tension
Mot. 1281-01 Oil filter wrench
Mot. 1289-03 Fork for centring suspended engine mounting limiter
Remove:
- the timing belt (see section 11 - timing belt),
- bolts (A) mounting the tensioner, together
with bolt (B) for the alternator drive belt ten-
sion strut mounting,
11-22

TOP AND FRONT OF ENGINE
Cylinder head gasket
11F8Q ENGINE
- the exhaust flange at the manifold outlet,
- the air filter,
- the earth strap,
- the fuel return union on the injection pump,
together with the mounting bracket on the
manifold,
- the mounting bolts for the inner timing cover
on the engine block.
95658-4R
Remove the oil filter.
Release the wiring from the alternator and move
the wiring to one side. Fit tool Mot. 1159 under the oil pump.
Note : cut the base of tool Mot. 1159 to 30 mm.
99023R2
99024R2
11-23

TOP AND FRONT OF ENGINE
Cylinder head gasket
11F8Q ENGINE
99028R
Diagram for drilling tool Mot. 1159 (diameter 10.5
mm).
Fit the bracket of tool Mot. 1159 under the water
pump.
99310R
98904S
Disconnect:
- the thermostat hoses,
- the connectors for the sensors,- the brake servo pipe,
- the 2 oil vapour rebreathing hoses on the decan-
ter,
- the accelerator cable,
- the preheater plug connector,
- the injection pump connectors,
- the solenoid valve pipes,
- the fuel supply pipe to the diesel fuel filter using
tool Mot. 1311-06
99461R
Remove the cylinder head bolts using the star
socket 55 toolEX 255
FACOM for example.
11-24

FUEL MIXTURE
Specifications
12
Vehicle GearboxEngine
Type SuffixBore
(mm)Stroke
(mm)Capacity
(cm
3)RatioCatalytic
converterDepollution
standard
BA0E JB1 E7J 764 75.8 77 1 390 9.1/1 C44 EU 96
* For a coolant temperature greater than 80°C and at stable engine speed of 2 500 rpm for
approximately 30 seconds.
** For legislative values, refer to specification for individual country.
*** Compatible with OR 91 unleaded.
Temperature in °C (± 1°) 0 20 40 80 90
Air temperature sensor
Type CTN
Resistance in Ohms7 470
to 11 9703 060
to 4 0451 315
to 1 600--
Coolant temperature sensor
Type CTN
Resistance in Ohms-3 060
to 4 0451 315
to 1 600300 to 370 210 to 270
Engine
Type SuffixTests carried out at idle speed*
Engine
speed
(rpm.)Emission of pollutants **
CO (%) CO
2 (%) HC (ppm) Lambda (λ)Fuel ***
(minimum octane
rating)
E7J 764 750±500.3
maximum14.5
minimum100
maximum0.97<λ<1.03 Unleaded (OR 95)
Engine
Type SuffixComputer Supplier’s No.Homologation
No.RENAULT No.
(G70*)
E7J 764 SIEMENS 35 tracks (FENIX 3) S 111 730 108 B 77 00 864 451 77 00 874 461
12-1

FUEL MIXTURE
Specifications
12
DESCRIPTION MAKE/TYPE SPECIAL NOTES
ComputerSIEMENS FENIX 335 tracks
Injection Regulated monopoint injection
Ignition Advance laws integral in injection computer
Ignition power module
Pinking sensor
Plugs
EYQUEM FC 52 LS
NGK BCP 5 ESGap: 0.9 mm
Tightening torque: 2.5 to 3 daN.m
Fuel filter Mounted in front of the fuel tank under the vehicle
Fuel pump
WALBROSubmerged in fuel tank
Flow: 50 litres/hour minimum
Pressure: 1.06 bar
Pressure regulator Pressure 1.06 bar (non-adjustable)
Solenoid injector Voltage: 12 V
Resistance : ≈ 2 Ω
Throttle body BOSCH Diameter 36 mm
Idle speed regulation
micromotorNon-adjustable
Integral no load switch
Fuel vapour recirculation
canister
Solenoid valve
CAN 10Voltage: 12 V
Resistance : ≈ 34.5 Ω
Heated oxygen sensor NGK Voltage at 850°C
Rich mixture : > 625 mvolt
Lean mixture: 0 to 80 mvolt
Tightening torque: 4.5 daN.m
Fault finding Throttle potentiometer
Idle speed regulation: 15≤#17≤30
Full load: 192≤#17≤210
Adaptive richness
operation: 112≤#30≤160
Adaptive richness
idle speed: 104≤#31≤160
12-2

FUEL MIXTURE
Specifications
12
Vehicle GearboxEngine
Type SuffixBore
(mm)Stroke
(mm)Capacity
(cm
3)RatioCatalytic
converterDepollution
standard
BA0F Manual K7M 702 79.5 80.5 1598 9.7/1 C45 EU 96
BA0F
AutomaticK7M 703 79.5 80.5 1598 9.7/1 C45 EU 96
BA0L Manual K7M 720 79.5 80.5 1598 9/1 C45 EU 96
* For a coolant temperature greater than 80°C and at stable engine speed of 2 500 rpm for
approximately 30 seconds.
** For legislative values, refer to specification for individual country.
*** Compatible with OR 91 unleaded.
Temperature in °C (± 1°) 0 20 40 80 90
Air temperature sensor
Type CTN
Resistance in Ohms7 470
to 11 9703 060
to 4 0451 315
to 1 600--
Coolant temperature sensor
Type CTN
Resistance in Ohms-3 060
to 4 0451 315
to 1 600300 to 370 210 to 270
Engine
Type SuffixTests carried out at idle speed*
Engine
speed
(rpm.)Emission of pollutants**
CO (%) CO
2 (%) HC (ppm) Lambda (λ)Fuel ***
(minimum octane
rating)
K7M702
720720±500.3
maximum14.5
minimum100
maximum0.97<λ<1.03 Unleaded (OR 95)
K7M 703 750±500.3
maximum14.5
minimum100
maximum0.97<λ<1.03 Unleaded (OR 95)
Engine
Type SuffixComputer Supplier’s No.Homologation
No. RENAULT No.
(G70*)
K7M 702 SIEMENS 55 tracks (FENIX 5) S 105 300 101 D 77 00 860 319 77 00 863 499
K7M 703 SIEMENS 55 tracks (FENIX 5) S 105 300 201 C 77 00 860 337 77 00 869 818
K7M 720 SIEMENS 55 tracks (FENIX 5) S 105 300 104 B 77 00 864 454 77 00 865 827
12-3

FUEL MIXTURE
Specifications
12
DESCRIPTION MAKE/TYPE SPECIAL NOTES
ComputerSIEMENS FENIX 555 tracks
Injection Semi-sequential regulated multipoint injection
Ignition Static with two dual output coils
Power module integral in computer
One pinking sensor
Plugs
EYQUEM FC 52 LS
CHAMPION C10YCGap: 0.9 mm
Tightening torque: 2.5 to 3 daN.m
Air filter Replace every other oil change
Fuel filter Mounted in front of the fuel tank under the vehicle
Replace at major service
Fuel pump
WALBROSubmerged in fuel tank
Flow: 80 litres/hour minimum for regulated
pressure of 3 bars and voltage of 12 V
Pressure regulator Regulated pressure
Zero vacuum: 3 ± 0.2 bars
Vacuum of 500 mbar : 2.5 ± 0.2 bars
Solenoid injector
SIEMENSVoltage: 12 V
Resistance : 14.5 ± 1 Ω
Throttle body
PIERBURG
714 186Diameter 44 mm
Idle speed regulation stepping
motor
EGR (K7M 703) solenoid valve
PIERBURG
72213000Voltage: 12 V
Resistance : 30 ± 3 Ω
Fuel vapour recirculation
canister
Solenoid valve
CAN 10
DELCO REMY
Voltage: 12 V
Resistance : 35 ± 5 Ω
Heated oxygen sensor NGK Voltage at 850°C
Rich mixture: > 625 mvolt
Lean mixture: 0 to 80 mvolt
Tightening torque: 4.5 daN.m
Fault finding
FICHE n° 27
CODE D13
SELECTOR ON S8
Throttle potentiometer
Idle speed regulation: 5 ≤ #17 ≤ 47
Full load: 164 ≤ #17 ≤ 253
R.C.O. idle speed: 4 % ≤ #12 ≤ 14 % (K7M 720)
6 % ≤ #12 ≤ 15 % (K7M 702/703 in P and N)
10 % ≤ #12 ≤ 20 % (K7M 703 in D)
Adaptive R.C.O
idle speed: - 2.4 % ≤ #21 ≤ + 6.2%
Adaptive richness
operation: 0 ≤ #30 ≤ 208
Adaptive richness
idle speed: 100 ≤ #31 ≤ 255 (K7M 720)
104 ≤ #31 ≤ 255 (K7M 702/703)
12-4