Back panel, quarter panel and luggage compartment water drain panel with reinforcement are already removed before commencing the repair.
Move carpets and wiring out of the working area.
C-pillar reinforcement
Mill out the spot welds.
Mill out the spot welds (two panel thicknesses).
Outer wheelhouse
Mill out the spot welds.
Mill out the spot weld (two panel thicknesses).
Inner wheelhouse
Mill out the spot welds.
Grind out the MIG-brazed joints.
NOTE:
In order to make a proper MIG welded joint, the MIG brazed areas must be ground back according to the specified dimensions (by approx. 5 mm).
When grinding back, it must be ensured that all the residual traces of the MIG brazed joints are completely removed.
Inner rear wheelhouse (MIG-brazed areas)
Grind back the MIG brazed areas.
Installation
NOTE:Before resistance spot welding of body panels with a total panel thickness of 3 mm and greater, the welding equipment instructions contained in sub-section 501-25 must be followed.
Outer wheelhouse
Drill holes for puddle welding (diameter: 10 mm).
NOTE:Drill through one panel thickness at the upper area of outer wheelhouse (position 2) through the existing holes in the inner quarter panel before puddle welding.