Audi A4: Overview - Suspension Strut and Upper Control Arm
Overview - Suspension Strut and Upper Control Arm
1 - Bolt
- Replace after removing
2 - Control Arm
3 - Shock Absorber Fork
- Removing and installing. Refer to → Chapter "Shock Absorber Fork, Removing and Installing".
4 - Bolt
- Replace after removing
5 - Nut
- 40 Nm
- Replace after removing
6 - Suspension Strut
- Overview. Refer to → Chapter "Overview - Suspension Strut Coil Spring".
7 - Suspension Strut Tower
8 - Bolt
- 20 Nm + 90º
- Replace after removing
9 - Front Upper Control Arm
- Removing and installing. Refer to → Chapter "Upper Control Arm, Removing and Installing".
10 - Bolts
- 50 Nm + 90º
- Replace after removing
- Tighten in the curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Vehicles with Coil Spring".
11 - Rear Upper Control Arm
- Removing and installing. Refer to → Chapter "Upper Control Arm, Removing and Installing".
12 - Bonded Rubber Bushing
- Replacing. Refer to → Chapter "Upper Control Arm Bearing, Replacing".
13 - Bolt
- Replace after removing
14 - Nut
- 40 Nm
- Replace after removing
15 - Wheel Bearing Housing
16 - Bonded Rubber Bushing
- Replacing. Refer to → Chapter "Upper Control Arm Bearing, Replacing".
17 - Nut
- Tightening specification -Item 16-
Overview - Suspension Strut Coil Spring
1 - Protective Cover
2 - Stop Buffer
3 - Coil Spring
4 - Spring Support
5 - Strut Mount
- Installation position. Refer to → Fig. "Suspension Strut Coil Spring Installation Position".
6 - Nut
- 50 Nm
- Replace after removing
7 - Cap
- Can only be installed in one position
8 - Cap
- Equipped on some models
9 - Protective Cap
10 - Spring Washer
11 - Lower Spring Plate
12 - Shock Absorber
- Because of different shock absorber valve systems, only install new shock absorbers from the same manufacturer on both axles, if possible.
- Removing and installing. Refer to → Chapter "Suspension Strut, Servicing".
Suspension Strut Coil Spring Installation Position
- The strut mount positioning pin -1- must engage in the hole -2- in the suspension strut tower -arrow-.
Overview - Tower Brace
1 - Right Suspension Strut Tower
2 - Bolt
- 20 Nm
3 - Right Tower Brace
- Removing and installing. Refer to → Chapter "Tower Brace, Removing and Installing".
4 - Sealing Piece
5 - Nut
q 20 Nm
6 - Bulkhead
7 - Left Tower Brace
8 - Sealing Piece
9 - Bolt
- 20 Nm
10 - Left Suspension Strut Tower
11 - Nut
- 20 Nm
READ NEXT:
Suspension Strut, Removing and Installing
Torque Wrench 1331 5-50Nm -VAG1331-
Removing
- Remove the shock absorber fork. Refer to
→ Chapter "Shock Absorber Fork, Removing and Installing".
- Remove the tower brace. Refer t
Upper Control Arm, Removing and Installing
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1331 Insert - Ring Wrench - 16mm -VAG1331/12-,
not illustrated
Torque Wr
Shock Absorber Fork, Removing and Installing
Special tools and workshop equipment required
Spreader Tool -3424-
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1332 40-200Nm -VAG1332-
Caution
This procedure contains mandatory rep
SEE MORE:
Tie Rod, Removing and Installing
Special tools and workshop equipment required
Torque Wrench 1332 40-200Nm -VAG1332-
Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-
Engine and Gearbox Jack -VAS6931-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog pri
Coolant System/Coolant
Connection Diagram - Coolant Hoses
Connection Diagram - Coolant Hoses, Versions without Parking Heater
Note
Blue = large coolant circuit.
Red = small coolant circuit.
Brown = heating circuit.
Green = coolant circuit for the transmission.
The arrows show the coolant flow direction.
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