2009 RENAULT TWINGO Panelwork Workshop Manual

42A-20
FRONT UPPER STRUCTURE
Upper reinforcement of scuttle side panel: Description42A
III - POSITIONING OF LOCAL ELECTRICAL
EARTHS
121245
IMPORTANT
To avoid damaging the vehicle's electric and elec-
tronic components, the battery and the earths of
any wiring harness near the weld area must be dis-
connected.
The earth of the welding machine must be placed
as close as possible to the weld area.

42A-21
FRONT UPPER STRUCTURE
Front wheel arch: General description
42A
DESIGN OF THE STRUCTURAL COMPONENT
Left side
This part consists of a wheel arch front section and a
windscreen wiper mechanism mounting.Right-hand side
This part consists of a wheel arch front section and an
engine mounting. IMPORTANT
Use a repair bench to ensure the positioning of the
points and the geometr y of the axle assemblies.
Note:
The information contained in the following descri-
bes the general repair procedure for all vehicles
having the same design for this part.
Before reading the following general information,
make sure that there are no special notes associa-
ted with the vehicle. These special notes are speci-
fied if necessary in other par ts of the sub-section
dealing with the component.
Note:
For a detailed description of a particular connec-
tion, see MR 400.
120930
120929

42A-22
FRONT UPPER STRUCTURE
Front wheel arch: Description
42A
Front left-hand wheel arch
Front right-hand wheel arch
There is only one way of replacing this part:
-complete replacement.I - COMPOSITION OF THE SPARE PART
Front left-hand wheel arch
120930
120929
IMPORTANT
Use a repair bench to ensure the positioning of the
points and the geometr y of the axle assemblies.
120906
No. Description Type Thic-
kness
(mm)
(1) Wheel arch Mild
steel1.2
(2) Angle bracket Mild
steel2
(3) Shock absorber
cup height adjus-
terMild
steel1.3
(4) Wiper motor fixed
supportMild
steel1.6
(5) Shock absorber
cupMild
steel2

42A-23
FRONT UPPER STRUCTURE
Front wheel arch: Description
42A
Front right-hand wheel arch II - PART IN POSITION
III - POSITIONING OF LOCAL ELECTRICAL
EARTHS
120905
No. Description Type Thic-
kness
(mm)
(6) Wheel arch Mild
steel1.2
(7) Engine mounting
height adjusterMild
steel1.8
(8) Angle bracket Mild
steel2
(9) Shock absorber
cup height adjus-
terMild
steel1.3
(10) Scuttle panel
fixed central sup-
por tMild
steel0.95
(11) Engine mounting
height adjuster
stiffenerHLE2
(12) E ngine support
plateMild
steel2
(13) Shock absorber
cupMild
steel2
120907
IMPORTANT
If the mating faces of the parts to be welded are not
accessible, make EGW plug welds to replace the
original resistance welds (see MR 400).
121245

42A-24
FRONT UPPER STRUCTURE
Front wheel arch: Description
42A
121246
WARNING
To avoid damaging the vehicles electric and electro-
nic components, the earths of any wiring harness
near the weld area must be disconnected.
Position the earth of the welding machine as closely
as possible to the weld area (see MR 400).

42A-25
FRONT UPPER STRUCTURE
Front wheel arch, front section: General description
42A
DESIGN OF THE STRUCTURAL COMPONENT
This is the basic part; it only fulfils the function of the
front section of the front wheel arch.WARNING
The information contained in the following descri-
bes the general repair procedure for all vehicles
having the same design for this part.
Before reading the following general information,
make sure that there are no special notes associa-
ted with the vehicle. These special notes are speci-
fied if necessary in other par ts of the sub-section
dealing with the component.
For a detailed description of a particular connec-
tion, see MR 400, 40A, General Information.
110658
WARNING
If the spot welds cannot be made as they were ori-
ginally using an electrical spot welding machine,
they should be replaced with plug welds after holes
have been drilled in the first panel.

42A-26
FRONT UPPER STRUCTURE
Dashboard cross member: Removal - Refitting
42A
REMOVAL
a
I - REMOVAL PREPARATION OPERATION
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of components)
(MR 413, 88C, Airbags and pretensioners).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (MR 411, 80A, Battery).
aRemove:
-the dashboard (see Dashboard: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the steering column (see Steering column: Re-
moval - Refitting) (MR 411, 36A, Steering assem-
bly).II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the dashboard cross member wiring harnesses,
-the flange bolts (1) ,
-the flange.
aRemove the bulkhead tie-rod bolt (2) . Equipment required
Diagnostic tool
Tightening torquesm
the dashboard cross
member bolts21 Nm
windscreen aperture
lower cross member tie-
rod bolt21 Nm
the bulkhead tie-rod bolt8 Nm
the flange bolts21 Nm
IMPORTANT
To avoid any risk of triggering when working on
or near a pyrotechnic component (airbags or pre-
tensioners), lock the airbag computer using the
diagnostic tool.
When this function is activated, all the trigger
lines are inhibited and the airbag warning light on
the instrument panel lights up continuously (igni-
tion on).
IMPORTANT
Never handle the pyrotechnic systems (preten-
sioners or airbags) near to a source of heat or
naked flame - they may be triggered.
119713
121240

42A-27
FRONT UPPER STRUCTURE
Dashboard cross member: Removal - Refitting
42A
aRemove:
-the bolts (3) ,
-the windscreen aperture lower cross member tie-
rod bolt (4) ,
-the dashboard cross member bolts (5) ,
-the dashboard cross member.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the dashboard cross member,
-the dashboard cross member bolts (5) .
-the windscreen aperture lower cross member tie-
rod bolt (4) ,
-the bolt (3)
-the bulkhead tie-rod bolts (2) ,
-the flange,
-the flange bolts (1) ,
-the dashboard cross member wiring harnesses,
aTorque tighten:
-the dashboard cross member bolts (21 Nm),
-windscreen aperture lower cross member tie-
rod bolt (21 Nm),
-the bulkhead tie-rod bolt (8 Nm),
-the flange bolts (21 Nm).II - FINAL OPERATION.
aRefit:
-the steering column (see Steering column: Re-
moval - Refitting) (MR 411, 36A, Steering assem-
bly),
-the dashboard (see Dashboard: Removal - Refit-
ting) (MR 412, 57A, Interior equipment).
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
aUnlock the airbag computer using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 88C, Airbags and pretensioners).
121239