A4 Mk2
| Removing front seats in event of defective seat longitudinal adjustment control unit or motor |
Note| t | If possible move seat upwards. |
| t | Before disconnecting the battery obtain radio code. |
| t | For greater clarity, the illustration shows the seat pan without padding or backrest. |
Caution
|
| 1 - | Bolt |
| q | Tightening torque → Chapter |
| q | Always clean threaded holes for bolts (using a tap for example) |
| 2 - | Bolt |
| q | Tightening torque → Chapter |
| q | 4x |
| 3 - | Bolt |
| q | Tightening torque → Chapter |
| q | For nut → Item |
| 4 - | Upper seat pan frame |
| t | Removing |
WARNING
|
| – | Unscrew bolt -1-. |
| – | Remove nut -5- and bolt -3-. |
| – | Fold seat forwards. If necessary: Remove steering wheel → Running gear, front-wheel drive and four-wheel drive; Rep. gr.48. |
WARNING
|
Note| To avoid unnecessary repair costs, check the electrical/electronic components and wiring before removing the seat any further. |
| – | Perform the following checks: |
| t | Check fuse → Current flow diagrams, Electrical fault finding and Fitting locations |
| t | Check voltage at connector point and perform Fault Finding if necessary → Current flow diagrams, Electrical fault finding and Fitting locations |
| t | Check voltage at control unit → Current flow diagrams, Electrical fault finding and Fitting locations |
| t | Check voltage at seat longitudinal adjustment motor -V288- → Current flow diagrams, Electrical fault finding and Fitting locations |
| – | Renew fuse if it is defective → Current flow diagrams, Electrical fault finding and Fitting locations. |
| – | Repair or renew wire if there is no voltage at connector point → Current flow diagrams, Electrical fault finding and Fitting locations. |
| – | If control unit is defective it must be renewed → Chapter. |
| – | If seat longitudinal adjustment motor -V288- is defective, renew lower seat pan frame -7- → Chapter. |
| Further removal (only if seat longitudinal adjustment motor -V288- defective): |
| – | Disconnect the battery earth wire → Electrical system; Rep. gr.27. |
| – | Remove bolts -6- (4x). |
WARNING
|
| – | Unplug connector -8-. |
| – | Tilt front seat backwards. |
| – | Move seat until bolts -2- (4x) are visible. |
| – | Remove bolts -2- (4x). |
| – | Unplug connectors → Chapter. |
| – | Connect airbag adapter → Chapter. |
| – | Lift front seat out of vehicle with the assistance of a second mechanic. |
| – | Separate lower -7- and upper -4- seat pan frames → Chapter. |
| – | Renew lower seat pan frame -7- with seat longitudinal adjustment motor -V288- and cross member -9- → Chapter. |
| 5 - | Nut |
| q | Always clean threaded holes for bolts (using a tap for example) |
| 6 - | Bolt |
| q | 4x |
| q | For attaching cross member to lower seat pan frame |
| 7 - | Lower seat pan frame |
| q | Renewing → Chapter |
| 8 - | Connector |
| 9 - | Seat longitudinal adjustment motor -V288- with cross member |
| q | After removing bolts → Item, renew lower seat pan frame with seat longitudinal adjustment motor -V288- and cross member → Chapter. |
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