Removing, installing windowbag

AR91.60-P-0693MCU

Removing, installing windowbag

03.04.2019

Model

451.3

with code I52 (Head airbag)

Shown on left side of vehicle

1

Window airbag unit

2

Screw

3

Bracket

4

Screw

5

Check strap

6

Screw

7

Electrical plug

R12/16

Left windowbag squib

R12/17

Right windowbag squib

 

Remove/install

 Warning

Risk of injury caused by performing testing or repair work on airbag or emergency tensioning retractor units.

Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply.

AS91.00-Z-0001-01A

Topical note

Note on functional reliability of windowbag

AH91.60-P-0693-01A

Topical note

Notes on performing repair, body work and welding on vehicles with airbags and RTE units

AH91.00-P-0002-01M

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Legal requirements on handling and storing airbags and emergency tensioning retractor units

AH91.00-P-0004-01A

1

Remove side roof frame paneling

AR68.30-P-4480MCU

 The window airbag unit (1) cannot be removed without irreparable damage and must be replaced.

2

Remove paneling on A-pillar

AR68.30-P-4050MCU

3

Remove screws (2)

 Bolt, windowbag unit to roof frame

*BA91.60-P-1009-01C

4

Pull check strap (5) as far as possible out of A-pillar and cut off check strap (5) with scissors as close as possible to end piece

 The cutoff end piece of the check strap (5) remains in the A-pillar.

 Installation: Route check strap (5) evenly, beginning at window airbag unit (1), so that white color strip of check strap (5) points toward the vehicle interior.
Insert end piece of check strap (5) into opening of A-pillar and secure end piece in A-pillar through cross points.

5

Remove holders (3) from roof frame

 Installation: Ensure that the holders (3) are correctly seated in the roof frame.

6

Unscrew screws (6) and pull out B-pillar trim until screw (4) can be unscrewed

 Installation: Ensure that B-pillar trim is seated correctly in area of window airbag unit (1).

7

Remove screw/bolt (4)

 Secure screw (4) against falling down.

 Bolt, windowbag unit to roof frame

*BA91.60-P-1009-01C

8

Disconnect electric plug (7) at left windowbag squib (R12/16) or at right windowbag squib (R12/17)

9

Unscrew screws (arrows) of window airbag unit (1) and remove window airbag unit (1) downward


The window airbag unit (1) must not be disassembled,
because otherwise it must be replaced.

 Installation: If the window airbag unit (1) is replaced, the defective window airbag unit (1) must be disposed of properly and in an environmentally-friendly way.

 Bolt for windowbag gas generator

*BA91.60-P-1010-01C

10

Install in the reverse order

11

Check supplemental restraint system using STAR DIAGNOSIS

When replacing window airbag unit  (1).



AD00.00-P-2000-04MCC

 Airbag

Number

Designation

Model 451.3

BA91.60-P-1009-01C

Bolt, windowbag unit to roof frame

Nm

3

 Airbag

Number

Designation

Model 451.3

BA91.60-P-1010-01C

Bolt for windowbag gas generator

Nm

8