Hammering out should be done, basically, the same way as for steel panels.

Because aluminum alloy has a higher elongation rate than steel, select use wood or plastic hammers depending upon the repair requirements.

Always keep the hammer and dolly surfaces polished so they do not damage the panel surfaces.

The hammer off dolly technique is used most it tends to cause less elongation and work hardening. When a hammer on dolly technique is required, pay careful attention to the elongation and tap lightly.

Shrinking of aluminum alloy panels is done the same way as steel panels.

Always use heat detection crayon or paint to measure and control the heat input during repairs.

Proceed with correction and repair the same as for steel panels.

When removing old paint layers on aluminum alloy panels, apply less pressure to the disc sander than for steel panels to prevent distortion.
Use a sanding disk with P80 to P120.

Finish sand filled surfaces with P80 sandpaper.

Featheredge the repair area using P120 sandpaper.

Somebody fillers cannot be directly applied on a raw aluminum alloy surface. In this case, apply epoxy-based primer to the surface before body filler application.