1999 AUDI A4 airbag

69-51


Airbag component locations, overview

Repair Manual, Body On Board Diagnostic
(OBD), Repair Group 01
1 -
Driver-side airbag unit
Removing m.y. 1998 page 69
-53
Removing m.y. 1998 page 69
-54
2 -
Driver-side airbag unit (sport steering
wheel)
Removing m.y. 1998 page 69
-58
Removing m.y. 1998 page 69
-61
3 -
Airbag control module -J234-
Removing and installing page 69
-74
4 -
Passenger-side airbag unit
Removing page 69
-70
Locking and activating (adaptation)
5 -
Seat occupant sensor
Removing and installing page 69
-83
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69-52


6 -
Side airbag
Removing and installing page 69
-75
7 -
Crash sensor for side airbag
Removing and installing page 69
-85
8 -
Spiral spring
Removing and installing m.y. 1998
page 69
-64

Removing and installing from sport steering
wheel m.y. 1998 page 69
-67

Removing and installing m.y. 1998
page 69
-68

9 -
Data Link Connector (DLC)
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69-53

Driver-side airbag unit ( m.y. 1998),
removing and installing


- Disconnect battery Ground (GND) strap.

Note:
Always follow airbag safety precautions when
working on airbag system components ( page
69
-40
).

-
Using T30 Torx bit, unbolt airbag unit on both left and right side of
steering wheel. Tightening torque: 6 Nm (53 in. lb)
- Carefully pull back airbag unit.
- Disconnect harness connector from airbag unit.

WARNING!
No one may be in vehicle when connecting battery Ground (GND)
strap. - Place airbag unit on suitable surface with impact padding facing up.
- When installing, make sure harness connector audibly engages
(clicks).
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69-54


Driver-side airbag unit (m.y. 1998 ),
removing and installing

WARNING!
Follow all safety precautions when working on
the airbag page 69
-40
.
1 -
Steering wheel
Removing page 69
-57
- Secure loose cable at location indicated
by arrow -A-.
2 -
Harness connector for spiral spring
3 -
Harness connector for airbag unit
4 -
Multipoint socket
Always replace60 Nm (44 ft lb)
5 -
Airbag unit
6 -
Threaded bushing
7 -
Torx bolt (T30)
8 -
Torx wrench (T30)
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69-55


Removing
WARNING!
Follow all safety precautions when working on
airbag page 69
-40
. 9 -
Spiral spring
10 -
Harness connector for heated steering
wheel
- Release steering wheel adjuster.
- Pull steering wheel as far out and up as possible.
- Place steering wheel vertical.
-
Remove Torx bolt (T30).-
Turn steering wheel 1/2 turn (180 ) back and
remove second Torx bolt (T30). - Pull connector - 3 - from airbag unit.
- Place airbag unit on appropriate surface with
impact padding facing up.
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69-57


Steering wheel, removing and installing

Removing
Installing - Remove airbag unit page 69
-54
.
- Center steering wheel (wheels are straight).
- Remove bolt - 4 -.
- Disconnect harness connectors - 2 - and - 10 -.
- Center steering wheel (wheels straight).
- When installing, make sure harness connectors
audibly engage (click).
- Replace bolt - 4 - and tighten to 60 Nm (44 ft lb).
- Install airbag unit page Page 69
-54
.
Pa
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69-58


Driver-side airbag for sport steering wheel
( m.y. 1998), removing and installing

WARNING!
Follow all safety precautions when working on
airbags page 69
-40
.
1 -
Bolts to secure upper part of carrier unit
5 Nm (44 in. lb)
2 -
Harness connector for airbag unit
3 -
Airbag unit
4 -
Nut for steering wheel 42 Nm (31 ft lb)
5 -
Bolts to secure lower part of carrier unit. 5 Nm (44 in. lb).
6 -
Torx bolt (T30) 6 Nm (53 in. lb)
7 -
Securing cable for spiral spring
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69-59


Removing
Installing
Notes:
WARNING!
Make sure no one is in vehicle. 8 -
Spiral spring
9 -
Journal
10 -
Transportation protection
- Unbolt airbag unit from behind using
Torx wrench (T30).
- Remove airbag unit -3- and disconnect
harness connector -2-.
- Place airbag unit on appropriate surface
with impact padding facing up.
Make sure harness connector -2- audibly
engages (clicks). When installing airbag unit, first tighten
right Torx bolt.
- Switch ignition on and connect battery Ground
(GND) strap.
Pa
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pair&id=AUDI.B5.BD03.69.3