airbag AUDI A4 2000 B5 / 1.G Airbag Service Owner's Guide

69-67


Sport steering wheel spiral spring ( m.y.
1998), removing and installing

Notes:
Wheels must be facing straight ahead.
Before removing spiral spring, remove airbag
unit and steering wheel.
- Remove bolts -1- (3x).
- Tightening torque: 5 Nm (44 in. lb)
- Remove carrier unit. Disconnect harness
connectors.
- Remove bolts -5- (3x).
- Tightening torque: 5 Nm (44 in. lb)
- Remove lower part of carrier unit. Disconnect
harness connectors.
- Remove bolts securing spiral spring.
- Pull spiral spring downward and remove. Do not
rotate spiral spring while it is removed.
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69-68

Spiral spring, removing and installing


Driver-side airbag unit and steering wheel
removed

- Pull steering column all the way out and down.

- Remove bolt -1- (2x).
Tightening torque: 2.8 Nm (25 in. lb)
- Remove handle -2-.

To install, insert upper shell into retaining tab in lower shell, swing down
and install screws. - Remove two Phillips-head screws (arrows).
Tightening torque: 0.6 Nm (5 in. lb)
- Remove upper section of steering column switch -1-.
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69-70


Passenger-side airbag unit, removing and
installing

WARNING!
Follow all safety precautions when working on
airbags page 69
-40
.
WARNING!
Do NOT disconnect red 2-pin harness
connector on side airbag unit under any
circumstances. 1 -
Passenger-side airbag unit
Removing:
- Disconnect battery Ground (GND) strap.
Remove passenger-side knee bolster
page 68
-1 .
- Disconnect harness connector (tunnel
connection to rear and left of airbag unit)
Fig. 1
.
- First, disconnect both angle brackets -4-.
- Remove both angle brackets -3-.
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69-71


- Remove bolts -2- at passenger-side
airbag.
- Remove airbag unit.
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69-72


Note:
Always replace instrument panel after passenger-
side airbag has deployed.
WARNING!
Make sure no one is in vehicle. - Place airbag unit on suitable surface with
impact padding facing up.
Installing:
- Install airbag unit.
- Make sure harness connector -6- audibly
engages (clicks).
- Switch ignition on.
- Connect battery Ground (GND) strap.
2 -
Bolts (2x)
Always replace after airbag has deployed12 Nm (9 ft lb)
3 -
Support Always replace after airbag has deployed
4 -
Angle bracket
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69-73


Fig. 1 Disconnecting airbag harness connector
- Using screwdriver, push harness connector -1- for passenger-side
airbag over retaining tab -2- and disconnect harness connector in
direction of arrow -3-.
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69-74

Airbag control module -J234-, removing
and installing


- Disconnect battery Ground (GND) strap.

- Remove front center console page 68
-30
.

Note:
If the airbag control module is replaced, the new control module must be
coded. - Disconnect securing bracket at harness connector -3-.
- Disconnect harness connector -3- from control module -1-.
- Remove nuts -2- (3x).
Tightening torque: 6 Nm (53 in. lb)
- Remove airbag control module -J234-.
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69-75


Side airbag, removing and installing

WARNING!
Removing
Follow all safety precautions when working
on airbags page 69
-40
.
Before starting work on seats, connect
VAS5094 airbag adapter page 72
-9 .
- Disconnect battery Ground (GND) strap.
- Remove seat page 72
-2 .
- Remove outer trim pieces and trim on side of
seat page 74
-16
.
- Remove harness connector -2-.
- Disconnect Ground (GND) strap from harness
connector -2-, chamber 4.
- Disconnect harness connector for side airbag -1-
from connector strip -5- by pressing on retaining
tab.
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69-76


- Disconnect intermediate connector for seatback
heater -6-.
- Disconnect harness connector for side airbag -1-
from outer edge of seat Fig. 1

- Remove side airbag unit page 69
-79
.
1 -
Harness connector for side airbag
2 -
Harness connector for sensor mat
3 -
Retaining tab
4 -
Harness connector for seat heater
5 -
Connector strip
6 -
Intermediate connector for seatback
heater
7 -
Airbag number sticker
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69-77


WARNING!
WARNING!
Make sure no one is in vehicle. 8 -
Bar in connector
Installing:

To ensure that the side airbag functions
properly, when working on backrest cover,
always install new upholstery clips in the
same locations they were removed from.
Only use seat covers approved for use with
side airbags.
- Install harness connector -2- at same
location as when removed and ensure
that bar -8- points toward tunnel.
- Switch ignition on.
- Close doors.
- Connect battery Ground (GND) strap.
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