Porsche 996 TT, Repair Manual

Page: 234 / 2099

5 Corrosion protection measures during repairs
Measures for maintaining long−term body protection
Prerequisite for ensuring vailidity of the long−life guarantee
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Measures for maintaining long−term body protection
Note
After repair work, the standard corrosion−inhibiting coating should only be restored with the
corrosion−inhibiting agents approved by the manufacturer. The following points must be observed for
body repairs.
•
Always apply welding primer to both sides of the welding flange when resistance spot welding. •
Prime repair areas from outside. Prime on both sides in the accessible areas.
•
Seal all sheetmetal overlaps, sheetmetal edges, butt joints, weld seams etc. with body sealant. •
Only apply body sealant to primed sheetmetal parts. •
Apply single−coat top coat paint to the inside of the outer sheetmetal shell before welding. See "Paint
build−up": Paint Manual •
Build up paint on bright sheetmetal panels according to the painting methods described in the Paint
manual .
•
Repair or create standard undersealing by applying long−life undersealing material. •
Preserve cavities in the repair area with cavity preservation after applying a single−coat top coat. •
Check that the standard water drains (plugs) are functioning correctly or clean them after the cavity
preservation material has dried. •
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Prerequisite for ensuring vailidity of the long−life guarantee
Porsche long−life guarantee conditions
All body repair work must be carried out correctly and according to the specific Porsche instructions
for sheetmetal, paint and corrosion protection/preservation work. •
To prevent jeopardising the long−life guarantee, a Paint Condition Report is made out 2 years after
delivery of the vehicle. This condition report must be drafted annually be every Official Porsche
Centre. •
996420, 996421, 996450, 996451, 996430, 996431, 996840, 996841
5 Corrosion protection measures during repairs 171