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Home >> Audi >> 2011 >> TT S, 2D Convertible >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Passenger Protection, Airbags, Seat Belts (Roadster) >> 69 Passenger Protection, Airbags, Seat Belts >> Removal And Installation >> Knee Airbag, Servicing >> Driver Knee Airbag

Driver Knee Airbag

Removing 

-- Move driver's seat all the way back and put backrest at a 45° angle.

WARNING:

-- Switch off the ignition.

-- Clamp off ground wire at battery with ignition switched off. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

-- Remove knee bar (driver side instrument panel cover). Refer to DRIVER SIDE INSTRUMENT PANEL COVER .

-- Unclip 16-Pin Connector -T16- (for the Data Link Connector).

-- Remove bolts -A- (below knee airbag -1-) and -B- (above knee airbag).

Fig 1: Removing Bolts -A- (Below Knee Airbag -1-) And -B- (Above Knee Airbag)
GWWA69-10316Courtesy of AUDI OF AMERICA, LLC

-- Remove the driver footwell air guide channel -2- from the front passenger footwell air guide channel -3-.

WARNING:
  • Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

-- Disconnect knee airbag connector (yellow).

Fig 2: Pulling Locking Mechanism And Disconnecting Electrical Harness Connectors
GWWA69-0382Courtesy of AUDI OF AMERICA, LLC

-- Pull retainer -2- in direction of -arrow- and disconnect connectors -1- and -3-.

-- Remove nuts -2- from left -3- and right supports -4-.

Fig 3: Identifying Supports And Nuts
GWWA69-10317Courtesy of AUDI OF AMERICA, LLC

-- Loosen nuts -5- approximately 3 turns and remove driver side knee airbag -1- toward rear.

-- Set the airbag unit -1- down so that the padding is facing up.

Installation 

Install in reverse order of removal. Note the following:

WARNING:
  • Follow all safety precautions when working on pyrotechnic components. Refer to RESTRAINT SYSTEM COMPONENTS, SAFETY PRECAUTIONS AND TESTING PROCEDURES .
  • Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

-- Slide knee airbag -1- on left -3- and right -4- supports as far as stop.

Fig 4: Identifying Supports And Nuts
GWWA69-10317Courtesy of AUDI OF AMERICA, LLC

-- First tighten nuts -2- and then nuts -5- to tightening specification.

NOTE:

Make sure the connectors are installed all the way in and are secure.

Make sure the wires do not get caught.

-- Replace the airbag securing components after airbag deployment.

WARNING:

Connect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

-- Switch on ignition.

-- Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

-- If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again => .