Page 17 of 209
40A-12
GENERAL INFORMATION
Earths on body: List and location of components
40A
For the earth stud fitting procedure, see MR 400.
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).
121241
Page 42 of 209
41A-3
FRONT LOWER STRUCTURE
Front end lower cross member: Description
41A
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.
Page 49 of 209
41A-10
FRONT LOWER STRUCTURE
Front side member, front section: Description
41A
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.
Page 53 of 209
41A-14
FRONT LOWER STRUCTURE
Front side member closure panel, front section: Description41A
Right-hand side
III - POSITIONING OF LOCAL ELECTRICAL
EARTHS
120640
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
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).
Page 55 of 209
41A-16
FRONT LOWER STRUCTURE
Front side member, rear section: Description
41A
III - POSITIONING OF LOCAL ELECTRICAL
EARTHS
121246
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.
Page 58 of 209
41A-19
FRONT LOWER STRUCTURE
Front subframe front mounting: Description
41A
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.
Page 61 of 209
41A-22
FRONT LOWER STRUCTURE
Engine stand: Description
41A
III - POSITIONING OF LOCAL ELECTRICAL
EARTHS
121247
121246
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.
Page 64 of 209
41A-25
FRONT LOWER STRUCTURE
Front half unit: Description
C44
41A
II - PART IN POSITION
Complete replacementIII - POSITIONING OF THE NEARBY ELECTRICAL
EARTHS
(8) Engine stand HEL/
Mild
steel2
(9) Front cup height
adjusterMild
steel1.3
120629
Note:
For more detailed information on welded connec-
tions with three thicknesses, see MR 400.
IMPORTANT
If the mating faces of the parts to be welded are not
accessible, use EGW plug welds instead of the ori-
ginal resistance welds (see MR 400) No. Description Type Thic-
kness
(mm)
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).