1999 AUDI A4 Suspension Wheel Alignment Workshop Manual

44-11
Wheel alignment specifications (front-wheel-drive vehicles)


Specifications valid for all engine versions
Front axle
Standard suspension
(1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-25 25
-40 25
-15 25
-30 25 1)
Maximum allowable difference in camber
between two sides 30
30
30
Toe setting for each wheel (curb weight)
+10 2
+10 2
+10 2
Toe check value for each wheel (curb
weight) +10 5
+10 5
+10 5
Toe constant for each wheel (setting
value) +7 2
+7 2
+7 2
Toe constant for each wheel (check
value) +7 7
+7 7
+7 7
Toe-out on turns at 20
-1 20 30
-1 20 30
-1 20 30
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 9 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-12

Rear axle
Standard
suspension (1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport
suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-1 30 20
-1 30 20
-1 30 20
Maximum allowable difference in camber between
two sides 30
30
30
Overall toe
+20 +15/-10
+28 +15 /-
10
+14 +15/-10
+17 +15 /-10 1)
Maximum allowable difference in direction of travel
relative to longitudinal vehicle center line (thrust
angle) 15
15
15
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 10 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-13
Wheel alignment specifications (all-wheel-drive vehicles)


Specifications valid for all engine versions
Front axle
Standard suspension
(1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-25 25
-40 25
-15 25
-30 25
Maximum allowable difference in camber
between two sides 30
30
30
Toe setting for each wheel (curb weight)
+10 2
+10 2
+10 2
Toe check value for each wheel (curb
weight) +10 5
+10 5
+10 5
Toe constant for each wheel (setting
value) +7 2
+7 2
+7 2
Toe constant for each wheel (check
value) +7 7
+7 7
+7 7
Toe-out on turns at 20
-1 20 30
-1 20 30
-1 20 30
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 11 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-14

Rear axle
Standard
suspension (1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport
suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-40 30
-40 30
-40 30
Maximum allowable difference in camber between
two sides 30
30
30
Overall toe
+8 5
+8 5
+8 5
Maximum allowable difference in direction of travel
relative to longitudinal vehicle center line (thrust
angle) 10
10
10
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 12 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-15
Wheel alignment specifications (front-wheel-drive vehicles with aluminium mounting bracket)


Specifications valid for all engine versions
Front axle
Standard suspension
(1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-35 25
-50 25
-20 25
-30 25
Maximum allowable difference in camber
between two sides 30
30
30
Toe setting for each wheel (curb weight)
+10 2
+10 2
+10 2
Toe check value for each wheel (curb
weight) +10 5
+10 5
+10 5
Toe constant for each wheel (setting
value) +9 2
+9 2
+9 2
Toe constant for each wheel (check
value) +9 7
+9 7
+9 7
Toe-out on turns at 20
-1 20 30
-1 20 30
-1 20 30
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 13 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-16
Wheel alignment specifications (all-wheel-drive vehicles with aluminium mounting bracket)


Specifications valid for all engine versions
Front axle
Standard suspension
(1BA)
Special suspension
(1BC)
Heavy duty
suspension (1BP) Sport suspension
(1BE) Heavy duty suspension
(1BB), (1BT1))
Camber
-35 25
-50 25
-20 25
-30 25
Maximum allowable difference in camber
between two sides 30
30
30
Toe setting for each wheel (curb weight)
+10 2
+10 2
+10 2
Toe check value for each wheel (curb
weight) +10 5
+10 5
+10 5
Toe constant for each wheel (setting
value) +9 2
+9 2
+9 2
Toe constant for each wheel (check
value) +9 7
+9 7
+9 7
Toe-out on turns at 20
-1 20 30
-1 20 30
-1 20 30
1) Applies only to vehicles with heavy duty suspension (1BT)
Pa
ge 14 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-17
Wheel alignment specifications, sport suspension (1BD)

Front axle
Sport suspension
(1BD)
Camber
-50 25 Maximum allowable difference in camber between two sides
30 Toe setting for each wheel (curb weight)
+10 2 Toe check value for each wheel (curb weight)
+10 5 Toe constant for each wheel (setting value)
+7 2 Toe constant for each wheel (check value)
+7 7 Toe-out on turns at 20
-1 30 30

Rear axle
Sport suspension
(1BD)
Camber
-55 15
Maximum allowable difference in camber between two sides
30 Overall toe
+8 5 Maximum allowable difference in direction of travel relative to longitudinal vehicle center line
(thrust angle) 10
Pa
ge 15 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2

44-18

Wheel alignment, preparations for
checking


Special tools, test requirements and auxiliary
items

VAG1907 VAG1941 VAG1925
VAG1925/3 VAG1925/4 VAG1925/6
Electronic alignment unit; e.g. VAG1813

- Carry out wheel run-out compensation.

Note:
On accident damaged vehicles, use special tool VAG1907 to make
certain that the rack is in the center position. - Install brake pedal depressor.
Pa
ge 16 of 37 Wheel ali
gnment
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.44.2