Audi A4: Overview - Suspension Strut and Upper Control Arm
Overview - Suspension Strut and Upper Control Arm

1 - Bolt
2 - Control Arm
3 - Shock Absorber Fork
- Removing and installing. Refer to
→ Chapter "Shock Absorber Fork, Removing and Installing".
4 - Bolt
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
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
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
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
10 - Left Suspension Strut Tower
11 - Nut
READ NEXT:
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
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
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:
Fig. 27 Door handle: sensor for locking
Depending on the vehicle equipment, you may
have various options for unlocking and locking
your vehicle. The settings in the MMI specify
which doors will unlock.
Unlocking or locking using the vehicle key
buttons
To unlock the vehicle, press the
button, f
Approved Refrigerant Oils and Capacities
Note
As PAG (polyalkylene glycol) oil is highly hygroscopic
(attracts water), opened containers are to be immediately
resealed so as to be air-tight.
PAG oil from containers which have been open for a lengthy
period is no longer usable.
Refrige