Removing and installing valve stem seals (cylinder head removed)
Checking valve guidesRemoving and installing lumbar support adjustment
Special tools and workshop equipment
required
Removal pliers -3392-
Note
Removal and installation are described for the left
vehicle side. Follow same in ...
Checking holding pressure, engine code CWVA
Special tools and workshop equipment required
Removal wedge -3409-
Pressure tester -VAS 6550-
Connector cable -VAS 6550/3-3-
Connector cable -VAS 6550/3-4-
Vehicle diagnostic tester
...
Back massage function
Fig. 54 In the lower area of the driver
seat: button for back massage function
First read and observe the introductory information
and safety warnings When the back massage function is switched on, the lumbar
support moves and massages the lumbar region. The in/out position of the lumbar
...