(½ turn)
120 plus an
additional 360°
(full turn)
35

-

50

-

Shock absorber mount-to-body bolt 1)

-

Stabilizer bar-to-subframe bolt 1)

-

Subframe-to-body bolt 1)

-

Tie rod-to-subframe nut 1)
Tie rod-to-wheel bearing housing bolt 1) 2)

-

150 plus an
additional 180°
(½ turn)
50 plus an
additional 90°
(¼ turn)
25 plus an
additional 90°
(¼ turn)
115 plus an
additional 90°
(¼ turn)
95
90 plus an
additional 90°
(¼ turn)

Coupling rod-to-subframe bolt 1) 2)

152

-

Audi A7 Reference Specification Book

•

September 2013

Component

Fastener
size
-

Upper transverse link-to-subframe bolt 1) 2)
Upper transverse link-to-wheel bearing
housing nut 1) 2)
Wheel Hub to Wheel Bearing Housing Bolt 1)
- FWD

-

2)

70 plus an
additional 180°
(½ turn)
95

200 plus an
additional 180°
(½ turn)
80 plus an
additional 90°
(¼ turn)

- AWD

1)

Nm

Replace fastener(s).
Tighten in the curb weight or control position.

Self-Leveling Suspension
Fastener Tightening Specifications
Air supply unit bracket bolt/nut
Air supply unit bracket threaded sleeve
Air supply unit connecting piece
Air supply unit-to-retainer bolt
Front air spring damper connecting piece
Front vehicle level sensor-to-bracket bolt
Front vehicle level sensor track control arm
nut
Level control system solenoid-to-air supply
unit bolt
Pressure reservoir connecting piece
Rear air spring connecting piece
Rear level control system sensor-to-bracket
bolt
Rear level control system sensor-to-lower
transverse link bolt
Solenoid valve connecting pieces
Stone chip protection nut

Audi A7 Reference Specification Book

•

Fastener
size
-

Nm

-

5

-

5
2.5
5

-

9

10 mm
12 mm
-

2
3
9

September 2013

9
7.5
3
9
3
9
9

Suspension,
Wheels, Steering

Component

153

Wheels, Tires
Fastener Tightening Specifications
Component
Image processing control module bracket nut
Image processing control module-to-bracket bolt
Level control system control module bracket nut
Level control system control module-to-bracket bolt
Night vision system camera-to-retaining plate bolt
Night vision system camera retaining plate bolt
Night vision system camera retaining plate-to-night vision
system camera bolt

Nm
2.5
8
2.5
8
6
6
5

Wheel Alignment Data
Wheel Alignment Specified Values
Front suspension
Camber
Maximum
permissible
difference between
both sides
Toe per wheel
(adjustment value)
Toe per wheel
(control value)
Toe differential angle
at 20° 1)
Outer wheel steering
angle at maximum
steering angle
Inner wheel steering
angle at maximum
steering angle
1)

Standard
suspension
1BA)
- 53′± 23′
30′

Heavy duty
suspension
1BB
- 43′± 23′
30′

Sport
suspension
1BE/1BV
- 1°5′± 23′
30′

+ 10′ ± 5′

+ 10′ ± 5′

+ 10′ ± 5′

+ 10′ ± 7′

+ 10′ ± 7′

+ 10′ ± 7′

1° 49′ ± 30′

1° 49′ ± 30′

1° 49′ ± 30′

33° 24′ + 1°
30’- 2°

33° 24′ + 1°
30’- 2°

33° 24′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

The wheel stop on the outer wheel is reduced by this amount. Depending on the
computer manufacturer, the toe-out angle difference can be indicated negatively in
the alignment computer.

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September 2013

Front suspension

Camber
Maximum
permissible
difference between
both sides
Toe per wheel
(adjustment value)
Toe per wheel
(control value)
Toe differential angle
at 20° 1)
Outer wheel steering
angle at maximum
steering angle
Inner wheel steering
angle at maximum
steering angle

Standard
Heavy duty
RS suspension
suspension air suspension air air suspension
suspension
suspension
2MA
1BK
1BS
1°5′± 23′′
- 53′± 23′
-1°8′± 23′′
30′
30′
30′

+ 10′ ± 5′

+ 10′ ± 5′

+ 10′ ± 5′

+ 10′ ± 7′

+ 10′ ± 7′

+ 10′ ± 7′

1° 49′ ± 30′

1° 49′ ± 30′

1° 49′ ± 30′

33° 24′ + 1°
30’- 2°

33° 24′ + 1°
30’- 2°

33° 24′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

39° 36′ + 1°
30’- 2°

The wheel stop on the outer wheel is reduced by this amount. Depending on the
computer manufacturer, the toe-out angle difference can be indicated negatively in the
alignment computer.

Front suspension

Camber
Maximum permissible
difference between both
sides
Toe per wheel (adjustment
value)
Toe per wheel (control
value)
Toe differential angle at
20° 1)
Outer wheel steering angle
at maximum steering angle
Inner wheel steering angle
at maximum steering angle

Sport suspension
air suspension
2MB
1°5′± 23′′
30′

Heavy duty
suspension air
suspension
1BS
1°2′± 23′′
30′

+ 10′ ± 5′

+ 10′ ± 5′

+ 10′ ± 7′

+ 10′ ± 7′

1° 49′ ± 30′

1° 49′ ± 30′

33° 24′ + 1° 30’- 2°

33° 24′ + 1° 30’- 2°

39° 36′ + 1° 30’- 2°

39° 36′ + 1° 30’- 2°

The wheel stop on the outer wheel is reduced by this amount. Depending on the
computer manufacturer, the toe-out angle difference can be indicated negatively in the
alignment computer.

1)

Audi A7 Reference Specification Book

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September 2013

155

Suspension,
Wheels, Steering

1)

Wheel Alignment Specified Values (cont’d)
Rear suspension
Camber
Maximum permissible
difference between both sides
Toe for each wheel
Total toe
Maximum permissible deviation
in direction of travel relative to
vehicle longitudinal axis

Steel
Air
suspension, all suspension, all
vehicles
vehicles
- 1°20′ ± 25′
- 1°20′ ± 25′
30′
30′
+ 10 ± 5′
+ 20′ ± 10′
10′

+ 10 ± 5′
+ 20′ ± 10′
10′

Steering
Fastener Tightening Specifications
Component
Electronic steering column lock control module-tosteering column bolt
Handle-to-steering column bolt (manual adjustable
steering column)
Safety lock for active steering (locking magnet)-tosteering column bolt 1) 3)
Steering column-to-central tube bolt 2)
Steering gear boot clamp
Steering gear-to-subframe bolt 1)

Nm
5
5
8+2
20
4)

80 plus an
additional 180°
(½ turn)
3
30
30
50
100
80
100

Steering intermediate shaft-to-body nut
Steering intermediate shaft-to-steering column bolt 1)
Steering intermediate shaft-to-steering gear bolt 1)
Steering wheel-to-steering column bolt 1)
Tie rod-to-steering gear
Tie rod end-to-tie rod nut
Tie rod end-to-wheel bearing housing nut 1)
1)
2)

3)

4)

Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Manual and Power Adjustable
Steering Column.
For bolt tightening clarification, refer to ElsaWeb, Active Steering Safety Lock
Actuator -F437-, Dynamic Steering.
For clamp tightening clarification, refer to ElsaWeb, Electromechanical Steering
Gear Overview, Tensioning the Inner Clamp.

156

Audi A7 Reference Specification Book

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September 2013

Steering Column Tightening Specifications

Component
Position the steering column with the positioning
pins (Æ) in the central tube positioning holes

2

Loosely install all bolts

3

Tighten bolts 1 through 7 in sequence

Audi A7 Reference Specification Book

•

September 2013

Nm

20

Suspension,
Wheels, Steering

Step
1

157

Brake System
General, Technical Data
Technical Data

The brake system installed in a vehicle is indicated on the vehicle
data label by the Production Relevant No. (PR No.) (A and B).

158

Audi A7 Reference Specification Book

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September 2013

FBC- 60

FBC- 60

1LA
320

1LJ/FM0
345

2 FNR-AL
42
1LL/FM0
356

30
28
9

30
28
9

34
32
9

Production Relevant No. (PR. No.)
Brake disc ventilated
diameter
mm
Brake disc thickness
mm
Brake disc wear limit
mm
Brake pad wear limit with backing
plate and dampening sheet
Front Wheel Brake
Type

Brembo

Production Relevant No. (PR. No.)
Brake disc ventilated
diameter mm
Brake disc thickness