1995 RENAULT MEGANE SCENIC engine

MANUAL GEARBOX
5th gear on the vehicle
21
Put a wooden block between the 5th gear fork
and the drive gear to take the backlash and refit a
new pin into the 5th gear fork using B.Vi. 31-01
complying with the assembly direction, the split
should be pointing towards the rear housing.
90498-1S
85979R1
Fit a new O-ring to ensure that the rear housing is
sealed.
Return the gearbox to neutral and check that all
gears can be engaged.
If any problems occur, check that reverse gear is
not engaged.Fit the rear housing by engaging nozzle (A) into
the primary shaft.
Tighten the mounting bolts to a torque of 2.4
daN.m.
87180R
Fill the gearbox with oil.
Check that the rear housing does not leak when
the engine is running.
21-22

MANUAL GEARBOX
Differential output seal
REMOVAL
Remove the engine undertray.
Drain the gearbox.
Put the front of the side being worked on on axle
stands.
Remove the wheel.
Extract the driveshaft pins using tool B.Vi. 31-01.Remove :
- the track rod end (tool T.Av. 476),
TIGHTENING TORQUES (in daN.m)
Brake caliper mounting bolt 2.7
Shock absorber base mounting bolts 17
Track rod end 3.5
Wheel bolts 9
CONSUMABLES
SPECIAL TOOLING REQUIRED
Loctite FRENBLOC :
Brake caliper mounting bolt
RHODORSEAL 5661 (Eg. CAF 4/60 THIXO) :
Ends of driveshaft pins
MOLYKOTE BR2 :
Right hand sunwheel splines
21
B.Vi.31-01 Set of pins
T.Av.476 Ball joint extractor
B.Vi.945 Mandrel for fitting differential seals
B.Vi.1058 Mandrel for fitting differential seals
(JB3 tapered bearings)
91755R
85965R
21-23

AUTOMATIC TRANSMISSION
Use
23
DRIVING
The automatic transmission is lubricated under
pressure and therefore this only occurs if the en-
gine is running.
As a result, and with the risk of serious damage,
the following instructions must be complied with:
- never drive with the ignition off
(going down-
hill for example), we cannot stress enough how
dangerous this practice is.
- never push a vehicle (eg. : to reach a petrol
pump), except by following the instructions in
the "Towing" paragraph.
In addition, the vehicle is only driven if the engine
is running. It is therefore impossible to start the
engine of a vehicle with automatic transmission
by pushing it.
TOWING
In all cases, it is preferable to tow the vehicle on a
trailer or with the front wheels off the ground.
However, if this is not possible, the vehicle can be
towed at a speed below 25 mph (40 km/
h and
over a maximum distance of 30 miles (50 km) (le-
ver in N).
23-2

AUTOMATIC TRANSMISSION
Identification
23
* For identifying with the XR25 test kit, see MR TA.A.
Gear ratios
Gear 1st 2nd 3rd 4th Reverse
Gear reduction2.71 1.55 1 0.68 2.11
Overall reduction10.35 5.92 3.82 2,6 8.06
Speed in km/h at 1000 rpm. with
1.76 m tyres10.19 17.83 27.66 40.79 13.11
VEHICLETRANS-
MISSION
TYPE ENGINE CONVERTERSTEP
DOWNRATIO SPEEDOELECTRONIC
UNIT*
BA0 AD4 013 K7M 227 69/77 19/65 22/20 114
23-3

AUTOMATIC TRANSMISSION
Oil change frequencies
23
The mechanism is drained during the major service.
The oil level must be checked every 10000 miles (15 000 km) in case there is a slight oil leak.
The final drive is never drained ; it is filled for life.
The strainer is no longer replaced (NT 2261A).
Only the level may change due to a slight leak.
Oil capacity
NOTE :if the automatic transmission is replaced, only check the oil level since the transmission is supplied by
the Parts Department full of oil.
TOTAL volume
MECHANISM
5.7 l
FINAL DRIVE1 l
Fault warning light
MESSAGE FROM THE ELECTRONIC FAULT
WARNING LIGHT
Normal operation :
• The warning light is not illuminated during
normal operation whether the vehicle is being
started, engine running or when the vehicle is
stationary.
Presence of a fault :
• Vehicle stopped, engine running, or when
driving, warning light permanently illuminated
• Vehicle moving, warning light illuminates and
extinguishes without action at the ignition key.
• Vehicle moving, warning light illuminates
briefly.Oil temperature < - 20 °C or > + 140 °C
• Vehicle moving or stationary, warning light
flashes at a rate of approximately 1 flash per
second, in this case, reduce the performance
requirement by moderating acceleration.
23-6

Oil pressure
Before starting:
- if the gearbox has been drained, fill it with 3.5
litres of oil,
- if you are simply checking the level, you must
add 0.5 litre of the recommended type of oil.
1-Vehicle on a 4 post lift, transmission at am-
bient temperature.
2-Start the engine with the selector lever in the
Park position.
3-Connect the
XR25 test kit and enter:
D14then
#0 4
4-Raise the vehicle and allow the engine to run
until it reaches a temperature of 60 °C.
5-When the desired temperature has been rea-
ched, open the top-up plug; allow the excess
oil to overflow (must be more than 0.1 litre)
for approximately 20 seconds. Replace the
plug
6-If the volume of oil which flowed out is less
than 0.1 litre, the level is not correct. Repeat
the operation.
In this case, add 1 litre of the recommended oil
and allow the transmission to cool down between
successive operations.
AUTOMATIC TRANSMISSION
Filling - Levels
23
FILLING - TOPPING UP
Filling is performed though tube (D).
Use a funnel fitted with a 15/100 filter so as to
prevent any impurities entering.
The level
MUST be checked in accordance with the
following method:
94845R1
The transmission is fitted with an oil pressure
take-off. Connect the B.Vi. 1215 to check the
automatic transmission pressure sensor only.
The oil pressure cannot be altered.
Its value is determined by the electronic compu-
ter.
94845-1R
23-8

Strainer mounting bolts 0.5
Sump mounting bolts1
Mounting bolts for engine mounting
dampers on side member2
Rear support mounting bolts6.5
Wheel bolts9
Strainer mounting bolts0.5
Distributor mounting bolts0.5
AUTOMATIC TRANSMISSION
Hydraulic Distributor
23
REMOVAL
Put the vehicle on a 2 post lift.
Put the lever in the "P" (Park) position.
Drain the automatic transmission (mechanismsec-
tion;
drain plug with triangular socket).
Remove:
- the expansion bottle,
- the air filter,
- the two upper bolts (A) of the engine moun-
ting damper and slacken the other two (B), wi-
thout removing them.
TIGHTENING TORQUES (In daN.m)For versions with ABS
Remove the mounting nut (C) from the ABS
electro-pump assembly on the rubber mounting.
Remove the front left hand wheel and remove the
plastic shield from the wheel arch (in order to be
able to remove the two rear mounting bolts of
the automatic transmission sump at a later stage).
Using the component jack, raise the automatic
transmission.
94933-1R
94933R
94887S
23-9

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