Installing front-axle carrier

CAUTION: Wheel carrier raised incorrectly

Risk of squashing
Risk of damage to components

→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

NOTE:

All screws and threaded joints on the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels, or the wheel suspension is raised with a universal vehicle lift. Dimension -1- , from lower edge of wing to center of axle corresponds to vehicle position. The current height can be found in → 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT . Always observe the following points!

Dimension 1 - center of wheel to lower edge of wing (rear axle shown)
Screws and nuts are Geomet-coated and must not be greased .

Installation is performed in reverse order. Check the following while doing this:
- Screw in and tighten new fastening screws -1 and 4- one after the other.
  Initial tightening 115 Nm (85 ftlb.) Final tightening +90°
- Screw in and tighten new fastening screws -2 and 3- one after the other.
  Initial tightening 115 Nm (85 ftlb.) Final tightening +90°
- Screw in and tighten new fastening screws -5 and 8- one after the other.
  Initial tightening 115 Nm (85 ftlb.) Final tightening +90°
- Screw in and tighten new fastening screws -6 and 7- one after the other.
  Initial tightening 115 Nm (85 ftlb.) Final tightening +90°
  
  Mounting for front-axle carrier
- Fastening screw securing engine mount to front-axle carrier -1- : Tightening torque 55 Nm (41 ftlb.)
- Not for V6 biturbo engines: Fastening screw securing retaining bracket for engine mount -4- : Tightening torque 30 Nm (22 ftlb.).
Engine mount
Only for V6 biturbo engines: Fit fastening screws -1, 2 and 3- on the engine mount.
1. 2.1. Tighten fastening screws -1- . Tightening torque 30 Nm (22 ftlb.)
2. 2.2. Tighten fastening screws -2- . Tightening torque 30 Nm (22 ftlb.)
3. 2.3. Tighten fastening screws -3- . Tightening torque 30 Nm (22 ftlb.)
  
  Fastening screws for engine mount
Support to lock carrier -1- : Tightening torque 5 Nm (3.5 ftlb.)
Support to front-axle carrier -2- : Tightening torque 23 Nm (17 ftlb.)

Lower strut
- Lower control arm to front-axle carrier: Tightening torque 140 Nm (104 ftlb.) Final tightening +180°