Subframe With Attachments
Subframe with Attachments
Special tools, testers and auxiliary items required
• Torque wrench (V.A.G 1331)
• Torque wrench (V.A.G 1332)
• Engine-/transmission jack (V.A.G 1383 A) with universal transmission support (V.A.G 1359/2)
• Tensioning strap (T10038)
• 2 wood blocks
Removing
- Determine dimension - a - from the center of the wheel to the lower edge of the wheel housing before starting work while the vehicle is resting on its wheels.
- Place the vehicle on a hoist.
- Remove wheels.
- Remove coil springs. Refer to => [ Coil Spring ] Removal and Replacement.
- Remove the rear muffler.
- Remove the left and right bolt - 2 - and the bracket with wires - 1 -.
- Release the connector - 1 - from the left ABS wheel speed sensor (G46) and right ABS wheel speed sensor (G44) and remove it.
- Disconnect the right and left electromechanical parking brake connectors - 3 -.
- Disconnect the connector - 5 - from the Left Rear Level Control System Sensor (G76) and, if equipped, from the Right Rear Level Control System Sensor (G77).
- Remove the left wiring harness- 4 -, and if equipped, the right one as well.
- If the vehicle has electronically controlled damping, disconnect the connector on the shock absorber and free up the wiring harness.
- Release the retaining tabs - A - and remove the stone deflector - 2 -.
- Remove the bolt - arrow - and washer.
- Remove the bolt - 1 -.
- Remove the brake caliper.
- Guide the brake caliper past the wheel suspension and secure it on the body so the weight of the caliper does not stress or damage the brake hose or line.
- Attach the upper transverse link to the wheel bearing housing by hand - 1 -.
- On the Convertible, remove the diagonal braces. Refer to => [ Diagonal Brace, Cabriolet ] Diagonal Brace, Cabriolet.
- On the Sportback, remove the diagonal braces. Refer to => [ Diagonal Brace, Sportback ] Diagonal Brace, Sportback.
- Remove the cover - 1 - and - 2 -..
- Install the stone deflectors - 1 - and - 2 -, if applicable.
Before -loosening- subframe bolts, secure vehicle from tipping over, for example, load the luggage compartment with approximately 50 kg.
- Place the (V.A.G 1383 A) with the (V.A.G 1359/2) under the subframe and secure it using the (T10038).
- Support the back of the subframe - 1 - using a suitable wood block - 2 -.
- Support the front of the subframe - 4 - using a suitable wood block - 3 -.
- Guide the (T10038) between the subframe and plastic reservoir.
- Route the (T10038) under the (V.A.G 1359/2) and tighten it.
- Remove the left and right bolts - 1 - and - 2 -.
- Remove the left and right supports - 3 -.
- Remove bolts - arrows -.
• Before lowering the subframe, make sure all the electrical wiring connections have been disconnected and removed.
- Carefully lower subframe with components. Be careful of the brake caliper and its lines.
Installing
Install in reverse order of removal. Note the following:
Tightening specifications, refer to => [ Subframe, Stabilizer Bar, Coupling Rod and Diagonal Brace Overview, FWD ] Subframe, Stabilizer Bar, Coupling Rod and Diagonal Brace Overview, FWD.
Tightening specifications, refer to => [ Wheel Bearing Housing, Wheel Bearing Unit and Coil Spring Shock Absorber Overview, FWD ] Wheel Bearing Housing, Wheel Bearing Unit and Coil Spring Shock Absorber Overview, FWD.
• Bonded rubber bushings can only be turned to a limited extent. Only tighten suspension screws when vehicle is in curb weight or control position.
• Wheel bearing, lifting to curb weight position on vehicles with coil springs. Refer to => [ Wheel Bearing with Coil Spring, Lifting to Curb Weight Position ] Rear Suspension.
- The center of the subframe mount holes must be aligned to the bolting points on the body.
• Only install the coil springs when the subframe bolts have been tightened to the specification.
- Tighten wheel.
- Wheel alignment is required, see Table. Refer to => [ Wheel Alignment ] Wheel Alignment.
• The wheel alignment on the front and rear axles must be performed on a VW/Audi approved alignment rack.