Longitudinal Member Threads, Servicing

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(R)) are installed to secure the subframe to the body.

See the assembly overviews to learn which threads can be repaired.

Repairing Damaged Threads

If the Heli-Coil(R) 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!
Wear protective eyewear when drilling.

• The Heli-Coil(R) thread inserts must have a zinc nickel coating.

• Thread insert must be the same length as the thread in the 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.