AWD

Rear Subframe

• Welding and straightening work on supporting or wheel carrying components of the suspension is not permitted.

• Always replace self-locking nuts.

• Always replace corroded bolts/nuts.

• Bonded rubber bushings can only be turned to a limited extent. Therefore, only tighten bolts on components with bonded rubber bushings when the wheel bearing housing is lifted (curb weight position). Refer to => [ Rear Subframe ] Rear Subframe.

• Always replace bonded rubber bushings on both sides of the vehicle.

Special tools, testers and auxiliary items required

• Torque Wrench (40-200 Nm) (V.A.G 1332)

• Engine-/Gearbox Jack (V.A.G 1383 A)

Removing

• Be aware that if there is additional work where the drive axle twelve point bolt must be loosened, this must also occur with the vehicle resting on the wheels. Remove the drive axle to wheel hub bolt. Refer to => [ Drive Axle to Wheel Hub Bolt, Loosening and Tightening, with a Twelve Point Bolt with Ribs ] Drive Axle to Wheel Hub Bolt, Loosening and Tightening, with a Twelve Point Bolt with Ribs.

- Remove the wheels.

- Remove the coil springs. Refer to => [ Coil Spring ] Coil Spring.

- Remove the rear muffler.

- Disconnect the electric connections between the rear subframe and the body.

- Remove the shock absorber lower bolt - arrow - from the wheel bearing housing.






- Disconnect brake lines - 1 and 2 -.






- Disconnect the parking brake connectors from the brake caliper.

- Remove the retainer - 1 -, by pressing out the inner pins - arrows A -.






- Remove the wire - 1 - from the trailing arm bracket - arrow A -.






- Mark the installed position of the bracket - 2 - to the body.

- Remove the trailing arm bracket bolts - B arrows -.

- Disconnect the left rear level control system sensor connector.

- Check whether there is a mark (colored dot) - arrows - on the driveshaft rear flexible disc or the input flange. If there is no mark, mark the position of the rear flexible disc to the input flange - arrows -.






- Disconnect the right rear and the left rear ABS wheel speed sensor connectors.

- Remove the driveshaft rear flexible disc bolts - arrows - from the input flange.






- Loosen the driveshaft center bracket bolts - arrows - two turns.






- Support the driveshaft at the tunnel brace using a block of wood.






- Move the driveshaft as far as possible in the direction of the transmission.

- Disconnect the connector to the Haldex clutch above the final drive.

- Now, secure the vehicle on both sides, to the lifting arms of the hoist using tensioning straps (T10038).






If the vehicle is not secured, it could slide off of hoist.

- Place the engine-/gearbox jack (V.A.G 1383 A) with the universal transmission support (V.A.G 1359/2) below the subframe and secure it with the strap.






To locate subframe, the locating pins (T10096) must be installed one after the other on both sides of the vehicle at positions - 1 and 2 -.






- Loosen the bolts - 1 and 2 - on both sides of the vehicle.

• Only the left side of the vehicle is shown in the illustration.

- Location the position of the subframe using the locating pins (T10096).






• The locating pins (T10096) may only be tightened to a maximum of 20 Nm, otherwise the threads of the locating pins will be damaged.

- Replace the subframe bolts one after the other on both sides using the locating pins (T10096) and tighten them to 20 Nm.

The position of the subframe is now secured.

- Carefully lower the subframe.

• Make sure there is enough clearance for the brake lines, electrical wires and driveshaft centering pin when lowering.

Installing

Install in the reverse order of removal. Note the following when doing so:

- When installing the wire for the electrical parking brake, make sure the dimension - a - between the connector - 1 - and the retainer - 2 - is exact.






Dimension - a - = 150 mm

Connect the driveshaft to the rear final drive input flange.

- Bleed the brake system.

Tightening Specifications