48151950 Removing and Installing Steering Column

WM 481519 Removing and installing steering column

Preliminary work

Information

- The fore-and-aft adjustment must be brought to the fully extended position for the electrically adjustable steering column. The vertical adjustment must be moved to the centre position. This will improve access to the fastening screws on the mounting bracket.

1. Disconnect the battery. => 9000IN Work instructions after disconnecting the battery - section on "Disconnecting"
2. Remove lower trim panel in footwell and lower dashboard trim panel => 701919 Removing and installing trim panel under dashboard - section on "Removing".

Removing the steering column

Removing airbag module

2. Turn the steering wheel to the straight-ahead position and remove => 481019 Removing and installing steering wheel - section on "Removing".
3. Remove cover from steering column switch and remove steering column switch => 945019 Removing and installing steering column switch - section on "Removing".
4. Remove heat shield on steering gear -Arrows-.

5. Release universal joint on steering gear -Arrow-.

6. Remove main catalytic converter with heat shield => 267319 Removing and installing main catalytic converter - section on "Removing".
7. Remove primary catalytic converter => 267619 Removing and installing primary catalytic converter - section on "Removing".
8. Remove lock nuts for mounting sealing bellows on bulkhead -Arrows- (one lock nut hidden).

Mounting sealing bellows

9. Remove the two fastening screws of the holder for the stop light switch -Arrows-.

Clip for stop light switch

10. Disconnect electric plug connections.
11. Remove fastening screw on mounting bracket (mount of upper universal joint) -Arrow-.

Mount of upper universal joint

12. Remove fastening screws -1-4- on the mounting bracket and pull out complete steering column.

Steering column detached

CAUTION

Increase risk when handling airbag modules.

- Injury and material damage may occur if airbag units are not handled correctly => 6900AW Safety regulations for handling airbag and belt tensioner units - section on "General warning notes".

-> Observe safety regulations for handling airbag modules.

Information

- The fore-and-aft adjustment must be brought to the fully extended position for the electrically adjustable steering column. The vertical adjustment must be moved to the centre position. This will improve access to the fastening screws on the mounting bracket.

1. Remove driver's airbag unit. To do this, turn the steering wheel 90° from the centre position. Press on retaining clips with a screwdriver. Turn the steering wheel another 180° and repeat the procedure. Unclip airbag unit => 695819 Removing and installing driver's airbag unit - section on "removing".

Removing airbag module

2. Turn the steering wheel to the straight-ahead position and remove => 481019 Removing and installing steering wheel - section on "removing".
3. Remove cover from steering column switch and remove steering column switch => 945019 Removing and installing steering column switch - section on "removing".
4. Release universal joint on steering gear -arrow-.

5. Remove lock nuts for mounting sealing bellows on bulkhead -arrows- (one lock nut hidden).

Mounting sealing bellows

6. Remove the two fastening screws of the holder for the stop light switch -arrows-.

Clip for stop light switch

7. Disconnect electric plug connections.
8. Remove fastening screw on mounting bracket (mount of upper universal joint) -arrow-.

9. Remove fastening screws -1-4- on the mounting bracket and pull out complete steering column.

Installing the steering column

Information

- Observe the tightening sequence of steering column at mounting bracket.

- Once the battery is disconnected, perform the work required for full restoration of normal driving => 90 Work instructions after disconnecting the battery.

- Calibrate steering-angle sensor => 456015 Initialising and calibrating steering-angle sensor.

- The electronic steering column lock (ELV) must be taught using the Porsche System Tester by selecting the menu items ]] Kessy ]] Learning functions ]] Teach ELV [[. You can get the necessary immobiliser code from IPAS or from your importer by specifying the vehicle identification number.

- The electrically adjustable steering column must be adapted in the vehicle => 729319 Removing and installing control unit for memory seat adjustment.

- Always replace the fastening screw for the universal joint of the steering column.

- Replace locking screws and nuts.

- Visually inspect all parts.

- Observe correct tightening torques => 48 Tightening torques for steering - section on "Technical values".

The steering column must only be replaced as a complete unit. Individual components cannot be disassembled and replaced.
1. Insert the steering column and the fastening screws in the order indicated -1, 2, 3, 4- on the assembly cross member.

2. Fit fastening screw to mounting bracket -arrow- (mount of upper universal joint), cardanic, free of warping (movable in every direction).

Mount of upper universal joint

3. Slide the steering shaft (universal joint) to correct position, steering gear in centre position, as far as it will go. When fitted correctly and tension-free, the universal joint must be at a maximum distance -arrows- of 4 mm from the outermost edge of steering gear dust boot.

Max. distance of universal joint from steering

4. Fit heat shield and primary catalytic converter => 267619 Removing and installing primary catalytic converter - section on "installing".
5. Install main catalytic converter => 267319 Removing and installing (main) catalytic converter - section on "installing"
6. Fit steering-column switch => 945019 Removing and installing steering-column switch - section on "installing".
7. Fit steering wheel => 481019 Removing and installing steering wheel - section on "installing".
8. Install airbag unit => 695819 Removing and installing driver's airbag unit - section on "installing".

Information

- Observe the tightening sequence of steering column at mounting bracket.

- Once the battery is disconnected, perform the work required for full restoration of normal driving => 90 Work instructions after disconnecting the battery.

- Calibrate steering-angle sensor => 456015 Initialising and calibrating steering-angle sensor.

- The electronic steering column lock (ELV) must be taught using the Porsche System Tester by selecting the menu items ]] Kessy ]] Learning functions ]] Teach ELV [[. You can get the necessary immobiliser code from IPAS or from your importer by specifying the vehicle identification number.

- The electrically adjustable steering column must be adapted in the vehicle => 729319 Removing and installing control unit for memory seat adjustment.

- Always replace the fastening screw for the universal joint of the steering column.

2. Fit fastening screw to mounting bracket -arrow- (mount of upper universal joint), cardanic, free of warping (movable in every direction).

Max.distance of universal joint from steering

4. Fit steering-column switch => 945019 Removing and installing steering-column switch - section on "installing".
5. Fit steering wheel => 481019 Removing and installing steering wheel - section on "installing".
6. Install airbag unit => 695819 Removing and installing driver's airbag unit - section on "installing".

Subsequent work

1. Fit the stop light switch support and the linings => 701919 Removing and installing lower dashboard cover - section on "installing".
2. Connect battery. => 90 Work instructions after disconnecting the battery