Bonded Rubber Support Bushing Overview

NOTE:

In vehicles before VIN... N 000 001, replacing the bonded rubber bushing is not possible. If replacement is necessary, install complete support.

Fig 1: Bonded Rubber Support Bushing Overview

Courtesy of AUDI OF AMERICA, LLC

Mounting
Self-locking bolt
- Always replace
- Tighten to 140 Nm (52 ft lb) plus additional 1/2-turn (180°)
- Clean threads in trapezoidal arm with -M14- x 1.5 screw tap to remove adhesive residue
- Tighten only with vehicle standing on wheels
Washer
- 3 mm thickness
- Convex version
  NOTE:
  Starting with VIN... N 000 001, only convex washers are installed. When installing new supports with Part No. 4A0 511 329 A and/or 4A0 511 330 A, in vehicles before the above named VIN, always install convex shims instead of the previously installed 3 mm or 6 mm shims.
Bonded rubber bushing, front
- Do not transpose with rear bonded rubber bushing
- Replacing TRAPEZOIDAL ARM SUPPORT BONDED RUBBER BUSHING
Ribbed nut
- Always replace
- 135 Nm (100 ft lb)
Support
- Note left and right are different versions before pressing in bonded rubber bushing
- Also offered as replacement part with bushing
- Before tightening, align concentrically with mounting studs, then check toe after installation
Bonded rubber bushing, rear
- Provided with 8 identification knobs on front
- Do not transpose with front bonded rubber bushing
- Replacing TRAPEZOIDAL ARM SUPPORT BONDED RUBBER BUSHING
Washer
- Convex version
  NOTE:
  Starting with VIN N 000 001, only convex washers are installed. When installing new supports with Part No. 4A0 511 329 A and/or 4A0 511 330 A, in vehicles before the above named VIN, always install convex shims instead of the previously installed 3 mm or 6 mm shims.
Trapezoidal arm