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MIG brazing, CV (EU)

MIG brazing, CV (EU)


Certain weld joints on the car have been replaced by a new type of weld joint using bronze rod, so-called "MIG brazing". The areas affected are: at the sill, the windscreen frame and by the A-pillar. The characteristic sign of MIG brazing is that it is gold in colour.

Plate damage where MIG brazing exists involves a new method and requires a new type of equipment. Before Saab workshops have been trained and have procured new equipment, damaged cars with MIG brazing must be taken to the closest Opel workshop which has MIG brazing equipment. A list of "Opel dealer MIG Brazing equipment" is in our database IRIS under Service Information - Technical News - Group 8 Body- MIG-Brazing. The list will be updated regularly and will be found under "What's New?" in IRIS. Where appropriate where Opel authorised workshops do not have suitable equipment, contact one of the six approved suppliers for support. The list of "MIG- Brazing equipment suppliers" is in our database IRIS under Service Information - Technical News - Group 8 Body- MIG-Brazing.

Different settings for the welding machine, the so-called "welding parameters" are required depending on equipment and plate thickness. The following documents contain parameters for six approved pieces of equipment. Ensure that the Opel authorised workshops and the independent workshops engaged have the parameters for the localised areas and relevant method from WIS. Pure argon gas must be used in all cases and the welding rod must be 1 mm.

Warning

Repairs to MIG brazing using conventional welding methods and normal filler material are forbidden. Cracks can arise which can impair performance in a collision.


Parameters for upper windscreen frame


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
1 Overlap 2.0/1.0 4 Pulse 2.6 Kemppi
1 Overlap 2.0/1.0 6 5 Cloos
1 Overlap 2.0/1.0 2 Short-arc 4 ElmaTech
1 Overlap 2.0/1.0 Pulse 60 (Trim -2) Car-o-Liner
1 Overlap 2.0/1.0 4 Pulse 3.3 Fronius
1 Overlap 2.0/1.0 4 Pulse 4.3 Wieländer


Parameters for A-pillar/door opening


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
2 Plug weld 1.2/2.2 4 Pulse 2.6 Kemppi
2 Plug weld 1.2/2.2 6 5 Cloos
2 Plug weld 1.2/2.2 2 Short-arc 4 ElmaTech
2 Plug weld 1.2/2.2 Pulse 60 (Trim -2) Car-o-Liner
2 Plug weld 1.2/2.2 4 Pulse 3.3 Fronius
2 Plug weld 1.2/2.2 4 Pulse 4.3 Wieländer


Parameters for extension piece member, lower area


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
3 Overlap 1,1/1.2 5 Pulse 2.9 Kemppi
4 Overlap 1.1/2.2 4 Pulse 2.7 Kemppi
3 Overlap 1.1/1.2 5 5 97 Cloos
4 Overlap 1.1/2.2 6 5 89 Cloos
3 Overlap 1.1/1.2 4 Short-arc 5.2 ElmaTech
4 Overlap 1.1/2.2 2 Short-arc 4.0 ElmaTech
3 Overlap 1.1/1.2 Pulse 58 (Trim -1) Car-o-Liner
4 Overlap 1.1/2.2 Short-arc 63 (Trim 0.3) Car-o-Liner
3 Overlap 1.1/1.2 4 Pulse 3.3 Fronius
4 Overlap 1.1/2.2 2 Short-arc 2.3 Fronius
3 Overlap 1.1/1.2 4 Pulse 4.3 Wieländer
4 Overlap 1.1/2.2 4 Pulse 4.3 Wieländer


Parameters for inner A-pillar


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
5 Overlap 1.0/2.5 5 Pulse 3 Kemppi
5 Overlap 1.0/2.5 5 5 97 Cloos
5 Overlap 1.0/2.5 4 Short-arc 5.2 ElmaTech
5 Overlap 1.0/2.5 Pulse 58 (Trim -1) Car-o-Liner
5 Overlap 1.0/2.5 4 Pulse 3.3 Fronius
5 Overlap 1.0/2.5 4 Pulse 4.3 Wieländer


Parameters for extension piece member, upper area


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
6 Overlap 1.1 / 1.2 4 Pulse 2.7 Kemppi
7 Plug weld 1.1 / 2.2 4 Pulse 2.7 Kemppi
8 Plug weld 1.1 / 1.2 / 2.2 5 Pulse 3.0 Kemppi
9 Overlap 1.1 / 1.2 4 Pulse 2.7 Kemppi
6 Overlap 1.1 / 1.2 6 5 Cloos
7 Plug weld 1.1 / 2.2 6 5 Cloos
8 Plug weld 1.1 / 1.2 / 2.2 5 5 97 Cloos
9 Overlap 1.1 / 1.2 6 5 Cloos
6 Overlap 1.1 / 1.2 2 Short-arc 4 ElmaTech
7 Plug weld 1.1 / 2.2 2 Short-arc 4 ElmaTech
8 Plug weld 1.1 / 1.2 / 2.2 4 Short-arc 5.2 ElmaTech
9 Overlap 1.1 / 1.2 2 Short-arc 4 ElmaTech
6 Overlap 1.1 / 1.2 Short-arc 63 (Trim 0.3) Car-o-Liner
7 Plug weld 1.1 / 2.2 Short-arc 63 (Trim 0.3) Car-o-Liner
8 Plug weld 1.1 / 1.2 / 2.2 Pulse 58 (Trim -1) Car-o-Liner
9 Overlap 1.1 / 1.2 Short-arc 63 (Trim 0.3) Car-o-Liner
6 Overlap 1.1 / 1.2 2 Short-arc 2.3 Fronius
7 Plug weld 1.1 / 2.2 2 Short-arc 2.3 Fronius
8 Plug weld 1.1 / 1.2 / 2.2 4 Pulse 3.3 Fronius
9 Overlap 1.1 / 1.2 2 Short-arc 2.3 Fronius
6 Overlap 1.1 / 1.2 4 Pulse 4.3 Wieländer
7 Plug weld 1.1 / 2.2 4 Pulse 4.3 Wieländer
8 Plug weld 1.1 / 1.2 / 2.2 4 Pulse 4.3 Wieländer
9 Overlap 1.1 / 1.2 4 Pulse 4.3 Wieländer


Parameters for outer sill


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
10 Overlap 0.8 / 2.2 4 Pulse 2.7 Kemppi
11 Overlap 0.8 / 2.2 4 Pulse 2.7 Kemppi
10 Overlap 0.8 / 2.2 6 5.0 Cloos
11 Overlap 0.8 / 2.2 6 5.0 Cloos
10 Overlap 0.8 / 2.2 2 Short-arc 4.0 ElmaTech
11 Overlap 0.8 / 2.2 2 Short-arc 4.0 ElmaTech
10 Overlap 0.8 / 2.2 Short-arc 63 (Trim 0.3) Car-o-Liner
11 Overlap 0.8 / 2.2 Short-arc 63 (Trim 0.3) Car-o-Liner
10 Overlap 0.8 / 2.2 2 Short-arc 2.3 Fronius
11 Overlap 0.8 / 2.2 2 Short-arc 2.3 Fronius
10 Overlap 0.8 / 2.2 4 Pulse 4.3 Wieländer
11 Overlap 0.8 / 2.2 4 Pulse 4.3 Wieländer


Parameters for windscreen frame, lower section


Area
Weld joint type
Plate combination
Program
Method
Rod feed
Ampere
Manufacturer
12 Overlap 1.2 / 1.0 4 Pulse 2.7 Kemppi
13 Overlap 1.2 / 2.2 4 Pulse 2.7 Kemppi
12 Overlap 1.2 / 1.0 6 5.0 Cloos
13 Overlap 1.2 / 2.2 6 5.0 Cloos
12 Overlap 1.2 / 1.0 2 Short-arc 4.0 ElmaTech
13 Overlap 1.2 / 2.2 2 Short-arc 4.0 ElmaTech
12 Overlap 1.2 / 1.0 Short-arc 63 (Trim 0.3) Car-o-Liner
13 Overlap 1.2 / 2.2 Short-arc 63 (Trim 0.3) Car-o-Liner
12 Overlap 1.2 / 1.0 2 Short-arc 2.3 Fronius
13 Overlap 1.2 / 2.2 2 Short-arc 2.3 Fronius
12 Overlap 1.2 / 1.0 4 Pulse 4.3 Wieländer
13 Overlap 1.2 / 2.2 4 Pulse 4.3 Wieländer