1995 RENAULT MEGANE SCENIC check engine

CLUTCH
Fault finding
20
The gearbox clunks in 1st or
reverse gear only when
cold:
- vehicle stationary,
- engine running.
Check the grade
of the
gearbox oil
INCORRECT
Change the oilCheck the internal
parts of the gearbox
CORRECT
20-7

CORRECT
CLUTCH
Fault finding
20
Juddering
INCORREC
Check the travel of
the fork(1)
Check the clearance
Check the condition
of the gearbox
mountings
Change the
mountings, check
the engine
mountings are
tight and check
that the gearbox is
properly mounted
on the engine
CORRECT
Change the clutch
plate and repair
the leak
INCORRECT
(*)Depending on version
(1)See "Removal - Refitting" chapter(2)Grommet positioned on the end of the clutch
cable on the gearbox side.
CORRECTINCORRECT
Check the
condition of the
clutch
CORRECT
INCORRECCORRECT
CORRECTINCORRECT
Check the condition
of the fork
CORRECT
Check the
condition of the
pins and support
points
INCORRECT
Replace the
faulty partsCheck the condition
of the pedal and
assistance spring (*)
Replace the
faulty parts
Replace the
fork
Check the
automatic
clearance device
INCORRECT
Repair the
automatic
adjustment
device
Check the condition
of the cable and the
anti-noise rubber
washer (2)
20-10

MANUAL GEARBOX
Diagnostic
21
Abnormal noises when driving
• Stop the vehicle
• Engine running
• Gear lever in neutral
Check
driveshafts
Check
wheel
bearingsReplace the
driveshafts
Replace the
wheel bearings
CorrectIncorrect
CorrectIncorrect
The noise
stops
Yes
Check the thrust
pad, cable and
plate
Replace the faulty
parts
The noise
stops
Look for the
noise in the
engine
Amount
of clearance
Check the toothed
sector of the clutch
pedal and the
cable
Oil level
YesNo
CorrectIncorrect
No
Look for the noise in
the engine
Remove the gearbox
and repair it
The noise
stops
Yes
No
Clutch fully depressed
Remove the
gearbox and
repair it
21-7

MANUAL GEARBOX
Diagnostic
21
Gears jump out
Check
engine and
gearbox
mountings
Adjust the
linkageTighten the bolts or
replace the
mountings
Remove the gearbox
Check the locking
system of the hubs
and sliding gears
IncorrectCorrect
CorrectIncorrect
Replace the faulty
parts
Adjust the linkage
Gear sticking
Adjust the
control
Check the
parts forming
the control
Remove the gearbox
and check:
- the locking balls
- the forks
- the locking plungers
CorrectIncorrect
Adjust the gearbox
control
IncorrectCorrect
Replace the faulty
parts
Adjust the linkage
21-8

MANUAL GEARBOX
Gearbox (Removal - Refitting)
- the stub-axle carrier driveshaft assembly by re-
leasing the lower ball joint,
- the sub-frame-side member tie rod (A).
21
All engines
RIGHT HAND SIDE OF THE VEHICLE:
Remove the driveshaft pins using toolB.Vi. 31-01
90130R2
Remove :
- the bolt (1),
- the 2 mounting bolts (2) from the base of the
shock absorber,
Check that the driveshaft rollers cannot be remo-
ved by hand. If this is the case, when refitting,
check that the needles have not fallen into the
gearbox.Remove the bolts from the base of the shock ab-
sorber.
98712R1
Tilt the stub-axle carrier and release the drives-
haft.
Remove the stub-axle carrier driveshaft assembly
by releasing the lower ball joint.
Remove and secure the brake caliper.
Remove the mudguard.
Remove the sub-frame body tie rod.99070R1
91755-1R2
21-10

MANUAL GEARBOX
Gearbox (Removal - Refitting)
21
E and K
engines
REFITTING
Coat the sides of the guide tube and the fork pads
with
MOLYKOTE BR2 grease.
Position the fork on the notches of the clutch
thrust pad.
Connect the engine to the gearbox.
Check that the rings (C) for centring the engine-
gearbox are present and are in the correct posi-
tion.
86308R2
Special notes for E7J - K7M engines
Remove the engine/gearbox assembly from above
(see Workshop Repair Manual Chap. 10).
Once the engine and transmission assembly is sui-
tably clear, remove the bolts from around the
gearbox.
Release the gearbox from the engine by removing
the pin (C).
86415R2
Refit:
- the heat shield,
- the exhaust downpipe.
Refit the other components by carrying out the re-
moval operations in reverse (see Workshop Repair
Manual Chapter 10).
21-11

MANUAL GEARBOX
Gearbox (Removal - Refitting)
21
F
engine
86308R2
86415S
Position the sub-frame support trolley and lower
the vehicle.
Remove the sub-frame by loosening the 4 moun-
ting bolts.
Be careful not to forget to remove the power as-
sisted steering pipe mounting from the sub-
frame.
Under the vehicle :
- position the component jack under the gearbox
without lifting it,
- release the gearbox and the engine by remo-
ving the studs (C).
98755R1
Refit:
- the assembled support,
- the sub-frame,
- the steering.
Refit:
- the heat screen,
- the exhaust downpipe,
- the suspended engine mounting bar.
Refit the other components by carrying out the re-
moval operations in reverse.
REFITTING
Coat the sides of the guide tube and the fork pads
with
MOLYKOTE BR2 grease.
Position the fork on the notches of the clutch
thrust pad.
Offer the gearbox up using the component jack.
Connect the engine to the gearbox.
Check that the dowels for centring the engine-
gearbox are present and are in the correct posi-
tion.
21-17

MANUAL GEARBOX
Gearbox (Removal - Refitting)
21
Position the driveshaft with respect to the sun-
wheel, pivot the stub-axle carrier, engaging the
driveshaft into the sunwheel using the shouldered
pin B.Vi. 31-01 in order to align the holes. F engine
A chamfer on the leading edge of the sunwheel
facilitates makes it easier to fit new roll pins.
Seal the ends
(RHODORSEAL 5661).
Fill with fluids.
Fit the caliper mounting 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 brake pads. F
engine
86070-1R1
Check the adjustments of the upper mountings
(refer to chapter 10).
Ensure that the movement limiter is mounted the
correct way round: the nuts should be fitted on
the exhaust pipe side.
92661S
74937-4S
Tighten all nuts and bolts to the recommended
torques.
Fill the gearbox with oil.
21-18