Longitudinal Member Threads, Servicing
Special tools, testers and auxiliary items required
- Thread repair set VAS 6027
Interchangeable threaded plates and threaded holes with wire thread inserts conforming to DIN 8140 (Heli-coil) are installed to secure the subframe to the body.
See component overviews to learn which threads can be repaired.
Repairing Damaged Threads
If the Heli-coil thread inserts are damaged, replace them with the next largest size. Observe the following when doing so
- Servicing work may only be performed once per thread.
| CAUTION | When drilling, it is essential that eye protection be worn! |
- The Heli-coil thread inserts must have a zinc-nickel coating.
- Thread insert must be same length as thread in body.
- Have the thread repair checked by the responsible foreman or next person in charge.
- Shavings that remain in the body must be imbedded in wax.
- Correct any damage to the underbody sealant layer.