C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
Paint coat too thin
Cause
Inadequate spraying
Action
Note that certain interior areas such as the engine compartment and cargo compartment accept thin paint. The seats and upholstered areas inside the car
also accept thin paint.
On exterior surfaces sand the paint with P 400 or P 600 sandpaper and respray.
Spray mist, masking faults, visible paint seams and other visible touch-ups brush strokes for example
Cause
Masking not correctly applied (bad masking).
Spray pressure too high.
For some reason the paint work repairs or brush retouching carried out in the factory have not had a satisfactory result.
Action
Either just polishing or alternatively first sanding then polishing. Do not polish edges.
Paint mist should only be sanded if polishing does not give a satisfactory result. Paint is sanded matt and apply topcoat.
Surfaces can be improved by spot retouching or by limited repainting of the necessary area.
Sand scratches in the panel or primer
Cause
Sanding edges, sanding holes, sanding scratches, circular scratches or breaks.
Action
Lighter scratches can be removed with P 1100-1200 sandpaper and polishing.
Only deeper scratches are sanded, filled and repainted.
Scratches in paint
Cause
Scratches from sharp objects, polishing marks or cleaning scratches.
Action
Smaller scratches can be treated with polishing paste and polish.
Deeper scratches are sanded down with P 1200 sandpaper, polished with polishing paste and then polish.
Scratches down to the undercoat are filled with paint and polished. Respraying may be necessary.
Cracking
Cause
Coat too thick.
Oven temperature too low.
ultra violet radiation on metallic paints (applies especially to hot climates)
Action
Grind down to primer with P 320 sandpaper.
Build up new color coat.
Blistering
Cause
Hand sweat
Hard water
Badly cleaned surface.
Action
Sand down to primer with P 320 sandpaper.
Build up new color coat.
Craters in the paint ("fish eyes")
