1999 AUDI A4 airbag

69-78


WARNING!
When installing side airbag cable -1-, make sure that it doesn't rub
against any moving parts. Fig. 1 Wiring location on outer edge of seat
- Remove backrest cover page 74
-12
.
- Unclip clip -2- (1x).
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69-79

Side airbag unit, removing and installing


WARNING!

Before starting work on seats, connect
VAS5094 airbag adapter page 72
-9 .

Removing

WARNING!
Note:
Illustration is shown without anti-crush fleece. - Remove bolts -2- (2x).
Do NOT reuse bolts -2-. Replace the metal bolts with M5 bolts and
nuts supplied. Drill mounting holes to 5.5 mm.Tightening torque: 5.5 Nm (49 in. lb)
- Carefully disconnect side airbag -1- at retaining clip -5-.
- Remove side airbag -1-.
- Place airbag unit on appropriate surface with impact padding facing up.
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69-80


Installing
Note:
Do not cut anti-crush fleece -4- in area near retaining clip -5-.
- Remove anti-crush fleece -4- before drilling.
- Drill out mounting holes to 5.5 mm.
- Pull anti-crush fleece -4- over seat backrest frame.
- Clip side airbag -1- with anti-crush fleece into place.
- Install bolts -2-, pull up anti-crush fleece -4-, install nuts and tighten to
5.5 Nm (49 ft lb).
- Remove expiration date sticker from airbag unit and place over old
sticker on driver's door.
- If vehicle does not have label, note airbag replacement in maintenance
plan.
- Remove airbag number sticker from airbag unit and place over old
sticker on seat pan page 69
-75
, item -7-.
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69-81


Side airbag for Recaro seat, removing and
installing

WARNING!

Follow all safety precautions when working
on side airbag.
Before starting work on seats, connect
VAS5094 airbag adapter page 72
-9 .
1 -
Backrest
2 -
Side airbag unit
Removing:
- Remove Recaro seat page 72
-25
.
- Remove mounting trim page 72
-41
.
- Disconnect yellow airbag harness
connector under seat.
- Disconnect black Ground (GND) harness
connector for airbag, located under seat.
- Unbolt bolt -4- on retainer -6- on
underside of side airbag unit -2-.
- Push side airbag unit -2- downward.
- Carefully pull out side airbag unit -2-.
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69-82


WARNING!
Make sure vehicle is not occupied.
Note:
Always replace bolt -4-. Installing:
- Install side airbag unit -2- so that
engaging pins -3- engage in locating
holes -7-.
- Push side airbag unit up to stop.
- Tighten new bolt -4- on side airbag unit
to 10 Nm (7 ft lb).
- Install airbag cable -5-.
- Connect yellow harness connector of
airbag cable and black harness
connector for airbag Ground (GND) strap
underneath seat.
- Reinstall mounting trim.
3 -
Engaging pins
4 -
Bolt
10 Nm (7 ft lb)
5 -
Airbag cable
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69-83

Seat occupant sensor, removing and
installing


WARNING!

Before starting work on seats, connect VAS
5094 airbag adapter page 72
-9 .

Note:
The seat occupant sensor will be used at a later
time.

Note:
Sensor mat is only available as a replacement part which includes seat
heater and seat cushion. - Removing seat page 72
-2 .
- Remove seat cover page 74
-15
.
- Press retaining tabs -3- and disconnect connector -1- for seat occupant
sensor from connector strip -4-.
- Disconnect Ground (GND) strap from harness connector -1- (location -
4-).
- Unclip harness connector -5- and disconnect intermediate connector to
backrest.
- Remove seat cushion along with sensor mat and seat heater from seat
pan.
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69-85

Crash sensor for side airbag, removing
and installing


WARNING!

Before starting work on seats, connect VAS
5094 airbag adapter page 72
-9 .

Notes:

A crash sensor for the side airbag is located
under both the driver's and passenger's seats.
Both crash sensors for the side airbags are
identical.
When installed, the arrow points down.
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69-86

Removing

- Disconnect battery Ground (GND) strap.

- Remove front seat page 72
-2 .

- Remove lower A-pillar trim page 70
-72
.

- Unclip sill molding and fold upward.

- Pull up floor mat -4- near sensor.

- Disconnect harness connector -2- from crash
sensor for side airbag -1-.

Installing
WARNING! - Remove bolts -3- (2x).
Tightening torque: 6 Nm (53 in. lb)
- Remove crash sensor for side airbag -1-.
- Switch ignition on.
- Close doors.
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