Removing and Installing Motor For Backrest Adjustment

Removing And Installing Motor For Backrest Adjustment

Tools







Information

Installation position of motor for backrest adjustment







Preliminary work

1. Remove cover for backrest.
2. Only for adaptive sports seat with air cushion in the side bolsters.
Remove air cushion for right backrest.

Removing motor for backrest adjustment

Removing right backrest side-bolster support







1. Unscrew fastening screws -1- and remove the right backrest side bolster support -2- .

Removing motor for backrest adjustment







1. Unclip inner spring on backrest frame -1- at the drive shaft -2- ( -arrows B- ) and swivel it upwards -arrow C- .







2. Turn plug connection -3- approx. 90° anti-clockwise -arrow D- and remove it from the backrest frame -arrow E- .
2.1. Release plug connection -3- ( -arrows a- ) and disconnect it -arrows F- .







3. Unscrew the two fastening screws -1- and remove motor for backrest adjustment -2- .







4. Pull the drive shaft -1- out of the transmission mount -2- and check it for damage.

Installing motor for backrest adjustment







1. Insert the drive shaft -1- into the transmission mount by turning it slightly -2- .







2. Slide motor for backrest adjustment -2- onto the drive shaft by turning it slightly and secure with the two fastening screws -1- .







3. Push the plug connection -3- together -arrows A- until it engages securely.
3.1. Insert plug connection -3- into the backrest frame -arrow B- and turn it approx. 90° clockwise -arrow C- .







4. Swivel inner spring on backrest frame -1- downwards -arrow D- and clip it in at the drive shaft -2- ( -arrows E- ).

Checking seat following removal

1. Connect the removed seat to the vehicle s wiring harness via test cable 9745 and test cable 9745/1.
2. Remove control panel trim and plug in electric connectors on the control panel for seat adjustment.
3. Connect the battery.
4. Switch on ignition.
5. Carry out a function check on the seat components.
6. Switch off ignition after function test and disconnect battery.
7. Test cable 9745 and test cable 9745/1 can now be disconnected.

Fitting right backrest side-bolster support

INFORMATION:
- Observe hose routing.
- In vehicles with lumbar support, make sure the hoses are routed correctly in the area of the backrest side support.







1. Insert right backrest side-bolster support -2- and fit fastening screws -1- .

Subsequent work

1. Only for adaptive sports seat with air cushion in the side bolsters.
Install air cushion for right backrest.

2. Install cover for backrest.