Front Wheel Drive: Overview
Front Wheel Drive
=> [ Subframe, Transverse Link and Tie Rod ]
=> [ Vehicle Level Sensor with Automatic Headlamp Range Control ] Front Wheel Drive
=> [ Wheel Bearing Housing and Trailing Arm Assembly Overview ]
=> [ Shock Absorber and Coil Spring Assembly Overview ]
=> [ Stabilizer Bar Assembly Overview ]
Subframe, Transverse Link and Tie Rod
1 Eccentric Bolt
• For camber setting
• After loosening, perform vehicle alignment, refer to => [ Vehicle Alignment Procedure Overview ] Vehicle Alignment Procedure Overview
2 Nut
• M12 x 1.5
• 95 Nm
• Self-locking
• Always replace after removal
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
3 Eccentric Washer
• Inner bore with tab
4 Eccentric Bolt
• For toe setting
• After loosening, perform vehicle alignment, refer to => [ Vehicle Alignment Procedure Overview ] Vehicle Alignment Procedure Overview
5 Eccentric Washer
• Inner bore with tab
6 Nut
• 95 Nm
• M12 x 1.5
• Adjust torque wrench (V.A.G 1332) to 80 Nm when tightening nut.
• This tightening specification applies only in conjunction with insert tool T10179.
• Self-locking
• Always replace after removal
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
7 Subframe
8 Bolt
• Always replace after removal
• 90 Nm plus an additional 90° turn
• M12 x 1.5 x 90
9 Lower Transverse Link
• Removing and installing, refer to => [ Lower Transverse Link ] Front Wheel Drive
10 Nut
• Always replace after removal
• 90 Nm plus an additional 90° turn
• M12 x 1.5 x 75
• Self-locking
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
11 Bolt
• Always replace after removal
12 Threaded Rivet
• M6
13 Expanding Rivet
14 Stone Protection Plate
15 Bolt
• 8 Nm
16 Nut
• Always replace after removal
• 130 Nm plus an additional 90° turn
• M14 x 1.5
• Self-locking
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
17 Bolt
• Always replace after removal
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
18 Upper Control Arm
• Removing and installing, refer to => [ Upper Transverse Link ] Front Wheel Drive
19 Washer
20 Nut
• Always replace after removal
• 130 Nm plus an additional 90° turn
• M14 x 1.5
• Self-locking
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
21 Wheel Bearing Housing
• Removing and installing, refer to => [ Wheel Bearing Housing ] Front Wheel Drive
22 Washer
23 Bolt
• Always replace after removal
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
24 Tie Rod
• Various versions
• Closed in direction of travel (the right and left tie rods are different)
• Opened downward (the right and left tie rods are the same)
• It is possible to interchange
• Removing and installing, refer to => [ Tie Rod ] Front Wheel Drive
25 Bolt
• Always replace after removal
26 Nut
• Always replace after removal
• 90 Nm plus an additional 90° turn
• M12 x 1.5
• Self-locking
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
Wheel Bearing Housing and Trailing Arm Assembly Overview
1 Bolt
• Always replace after removal
• 50 Nm plus an additional 45° turn
2 Mounting Bracket
3 Bolt
• Always replace after removal
• 90 Nm plus an additional 90° turn
• M12 x 1.5 x 80
4 Coupling Rod
• Coupling rod changed in MY 2004
During start of production, coupling rods with two ball joints were revised to coupling rods with one ball joint and a bonded rubber bushing. The side with the bonded rubber bushing is attached to the stabilizer bar.
A mixed installation is not permitted
• Connects stabilizer to trailing link/wheel bearing housing
5 Bolt
• Always replace after removal
• 90 Nm plus an additional 45° turn
• Observe tightening sequence => [ Installing ] Front Wheel Drive
6 Trailing Arm
• Removing and installing, refer to => [ Trailing Arm with Mounting Bracket ] Front Wheel Drive
• Servicing, refer to => [ Trailing Arm Bonded Rubber Bushing ] Front Wheel Drive
7 Bolt
• 8 Nm
8 Right Rear ABS Wheel Speed Sensor (G44)/Left Rear ABS Wheel Speed Sensor (G46)
• Can be checked in Guided Fault Finding using the
• Before inserting sensor, clean inner surface of mounting hole and coat with polycarbamide grease (G 000 650)
9 Wheel Bearing Housing
• Removing and installing, refer to => [ Wheel Bearing Housing ] Front Wheel Drive
10 Bonded Rubber Bushing
• Replace, refer to => [ Wheel Bearing Housing Bonded Rubber Bushing ] Front Wheel Drive
11 Nut
• 45 Nm
• Always replace after removal
12 Bolt
• 4 Nm
13 Brake Disc
14 Dust Cap
• Always replace after removal
• Pressing off and driving in, refer to => [ Wheel Bearing and Wheel Hub ] Front Wheel Drive
An appropriate seal can only be achieved with a new dust cap.
15 Bolt
• Always replace after removal
• 180 Nm plus an additional 180° turn
• M16 x 1.5 x 70
• Loosen and tighten using bit XZN 18 (T10162)
16 Wheel Hub with Wheel Bearing
• The ABS sensor ring is installed in the wheel bearing
• Removing and installing, refer to => [ Wheel Bearing and Wheel Hub ] Front Wheel Drive
The wheel bearing and wheel hub are installed together in a housing.
This wheel bearing/hub unit is maintenance and adjustment free. Adjusting and servicing is not possible!
17 Bolt
• 12 Nm
18 Cover Plate
Shock Absorber and Coil Spring Assembly Overview
1 Upper Spring Support
2 Coil Spring
• Note different suspension versions, refer to => [ Vehicle Data Label ] Description and Operation.
• Removing and installing, refer to => [ Coil Spring ] Front Wheel Drive
3 Lower Spring Support
• Spring end rotated up to stop
4 Bolt
• 180 Nm
• M14 x 1.5 x 70
5 Bolt
• Always replace after removal
• 50 Nm plus an additional 45° turn
6 Shock Absorbers
• Removing and installing, refer to => [ Shock Absorber ] Front Wheel Drive
• Note different suspension versions, refer to => [ Vehicle Data Label ] Description and Operation.
7 Lower Transverse Link
• Removing and installing, refer to => [ Lower Transverse Link ] Front Wheel Drive
8 Wheel Bearing Housing
• Removing and installing, refer to => [ Wheel Bearing Housing ] Front Wheel Drive
Stabilizer Bar Assembly Overview
1 Stabilizer
• Note different suspension versions, refer to => [ Vehicle Data Label ] Description and Operation
• Removing and installing, refer to => [ Stabilizer Bar ] Front Wheel Drive
2 Rubber Mount
• Replace mounts always on both sides of vehicle
3 Clamp
4 Bolt
• Always replace after removal
• 25 Nm plus an additional 45° turn
• Tighten uniformly
• Always tighten threaded connections in curb weight position, refer to => [ Rear Axle in Curb Weight Position ] Rear Axle in Curb Weight Position
5 Wheel Bearing Housing
6 Nut
• Always replace after removal
• 45 Nm
• Self-locking
7 Coupling Rod
• Coupling rod changed in MY 2004
During start of production, coupling rods with two ball joints were revised to coupling rods with one ball joint and a bonded rubber bushing. The side with the bonded rubber bushing is attached to the stabilizer bar.
A mixed installation is not permitted
• Connects stabilizer to trailing link/wheel bearing housing
8 Cover
• Only on vehicles with two ball joints in coupling rod. On vehicles with new coupling rod (one ball joint and one bonded rubber bushing), cover is discontinued, see also - 7 -
9 Subframe