Installing Front-Axle Carrier

WARNING: This page is about a different variant/trim than selected.

WARNING: Danger of objects or loads falling down

Risk of squashing or crushing
→ Secure components to prevent them from falling down.

Install front-axle carrier -9- .

Fig 1: Front-Axle Carrier Screws Tightening Sequence
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Screws on front-axle carrier
1. 1.1 Move front-axle carrier into installation position on > VAS 6832 - Master Gear unit elevating platform .
2. 1.2 Align front-axle carrier -9- according to the markings -A to D- .
3. 1.3 Replace screws on front-axle carrier.
4. 1.4 Screw in new screws on front-axle carrier and tighten in the sequence -1 to 8- .
  Screws -1 - to 4- :
  
  > Initial - tightening 115 Nm (85 ftlb.)
  
  > Final tightening + 90°
  
  Screws -5 - to 8- :
  
  > Initial - tightening 115 Nm (85 ftlb.)
  
  > Final tightening + 90°
> VAS 6832 - Master Gear unit elevating platform can now be removed.
Secure engine mount -1- .

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Engine mount screws
1. 3.1 Screw in and tighten screws -2- .
  > Tightening - torque 55 Nm (41 ftlb.)
2. 3.2 Replace screws -3- .
3. 3.3 Screw in and tighten screws -3- .
  > Tightening - torque 30 Nm (22 ftlb.)
Secure electric wire harness -1- on front-axle carrier.

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Electric wire harness on front-axle carrier
1. 4.1 Position electric wire harness -1- .
2. 4.2 Insert line bracket -3- into front-axle carrier.
3. 4.3 Clip electric plug connection for engine mount -2- into the line bracket.
4. 4.4 Screw on and tighten nut for line bracket -4- .
  > Tightening - torque 20 Nm (15 ftlb.)
Secure ground line -2- on the bracket in the opposite direction to -direction of arrow- . Make sure that the locking lugs -1- lock correctly.

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Ground line
Secure electric lines on the right longitudinal member.

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Electric lines on right longitudinal member
1. 6.1 Position ground line -3- and screw on and tighten nut -4- .
  > Tightening - torque 9 Nm (6.5 ftlb.)
2. 6.2 Position ground lines -1 to 6- and screw on and tighten nut -2- .
  > Tightening - torque 9 Nm (6.5 ftlb.)
3. 6.3 Connect and lock electric plug connection -5- and secure it to the holder.
4. 6.4 Secure clip -7- on the headlight vent line -8- .
Secure housing cover -2- at the right longitudinal member. Make sure that the locking lug -1- locks correctly.

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Housing cover
Install struts -1- on both sides of the vehicle.

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Strut
1. 8.1 Position strut -1- and push threaded bolt for the strut -1- into the front-axle carrier.
2. 8.2 Screw on and tighten nut on strut -3- .
  > Tightening - torque 23 Nm (17 ftlb.)
3. 8.3 Screw in and tighten screw on strut -2- .
  > Tightening - torque 3.6 Nm (2.6 ftlb.)
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).
Before tightening the screw securing control arm to front-axle carrier: Raise the wheel suspension to zero position using lifting equipment (e.g. > VAS 6931 - engine and gearbox jack with > T10149 - support ).

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Zero position (shown on rear axle as an example)
Secure control arm -1- on front-axle carrier.

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Control arm at front-axle carrier
1. 10.1 Remove fastening elements and position control arm -1- .
2. 10.2 Replace screw securing control arm to front-axle carrier -2- and nut.
3. 10.3 Screw in and tighten screw securing control arm to front-axle carrier -2- . Counter at the nut -3- at the same time and make sure not to damage the brake lines -4- .
  > Initial - tightening 70 Nm (52 ftlb.)
  
  > Final tightening + 180°
Install heat shields at the left and right.

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Heat shield on front-axle carrier
1. 11.1 Position heat shields.
2. 11.2 Screw in and tighten screws -1- .
  > Tightening - torque 9 Nm (6.5 ftlb.)
3. 11.3 Screw in and tighten screw -2- .
  > Tightening - torque 20 Nm (15 ftlb.)