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14 Thread repairs
Inserts with a zinc-nickel coating must be used when repairing
damaged threads.
Make sure all steel chips have been removed.
Always use genuine parts when replacing studs.
Damaged threads can be repaired using thread inserts with zinc-
nickel coating.
WARNING
Only this coating ensures protection against contact corrosion.
Some threads are fitted with thread inserts at the factory.
14.1 Thread repairs for safety-related com‐
ponents
Depending on the design-related features of the specific vehicle,
repair work on threads (such as axle mountings or seat belt
mountings) may either be permissible or not possible.
Note
It is essential to refer to the Workshop Manual for the relevant
vehicle in such cases.
General InformationBody Repairs, General Body Repairs - Edition 04.2018
68 14. Thread repairs