Installing Rear Wheel Bearing Housing

CAUTION: Electrically moved components

Danger of limbs being trapped
→ Switch off electric power to drive motor.

→ Make sure it does not switch on again.

→ Check that there is no electric charge.

WARNING: Wheel bearing housing raised incorrectly

Risk of crushing
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).

Information

Once PDCC is ready for operation, chassis adjustments can be made. To avoid injury/crushing, only work near the anti-roll bar, lower trailing arms and bellows of the steering gear without establishing operational readiness and always allow for the run-on time of 60 seconds.

Information

Lubricate the drive shaft splines all the way around with Molub Alloy Paste TA .
The thread must be free of grease .

Install rear wheel bearing housing -1- .

1.1 Thinly grease the splines of the drive shaft with Molub Alloy Paste.
1.2 Insert drive shaft into wheel hub and position rear wheel bearing housing -1- on lower trailing arms.
1.3 Insert new screw -4- .
1.4 Screw on new nut -3- and counter at screw -4- , but do not tighten yet.

1.5 Screw new nut onto drive shaft -2- and tighten hand-tight.

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Rear wheel bearing housing

Secure rear upper control arm -1- to the wheel bearing housing.

2.1 Fit rear upper control arm -1- on wheel bearing housing.

2.2 Insert new screw -3- and screw on new nut -2- , but do not tighten yet.

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Rear upper control arm on wheel bearing housing

Secure front upper control arm -1- to wheel bearing housing.

3.1 Fit front upper control arm -1- on wheel bearing housing.

3.2 Insert new screw -3- and fit new nut -2- , but do not tighten yet.

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Front upper control arm on wheel bearing housing

Secure steering rod -1- to wheel bearing housing -2- .

4.1 Fit steering rod -1- .

4.2 Screw in new screw -3- , but do not tighten yet.

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Steering rod

Information

Threaded joints must only be tightened in zero position. Otherwise, warping can occur in the bearings.

Lift wheel suspension to zero position using > VAS 6931 - engine and gearbox jack . > Zero position (shown on rear axle as an example)

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Zero position (shown on rear axle as an example)

Secure lower trailing arm -1- .

6.1 Tighten nut -2- and counter at screw -3- .

> Tightening torque 70 Nm

> Torque angle + 180 °

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Lower trailing arm on wheel bearing housing

Tighten threaded joint securing upper control arm at the rear -1- to wheel bearing housing.

7.1 Tighten nut -2- and counter at screw -3- .

> Tightening torque 70 Nm (52 ftlb.)

> Torque angle + 90 °

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Upper control arm on wheel bearing housing

Tighten threaded joint securing upper control arm at the front -1- to wheel bearing housing.

8.1 Tighten nut -2- and counter at screw -3- .

> Tightening torque 70 Nm (52 ftlb.)

> Torque angle + 90 °

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Upper control arm on wheel bearing housing

Tighten screw on steering rod -3- .
> Tightening torque 70 Nm (52 ftlb.)

> Torque angle + 90 °

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Steering rod

Secure electric wiring harness -1- .

10.1 Position electric wiring harness -1- .
10.2 Connect and lock electric plug connections -2 and 3- .

10.3 Engage retaining rubbers -4- in the holder.

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Electric wiring harness

Install rear brake cover plate -1- .

11.1 Fit rear brake cover plate -1- .

11.2 Fit and tighten screws -2- .

> Tightening torque 8 Nm (6 ftlb.)

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Rear brake cover plate