Multi-Contour Seat Control Modules J873/J872

Multi-Contour Seat Control Modules J873/J872

Left front multicontour seat control module (J873) / right front multicontour seat control module (J872)

Removing

- Remove the backrest cover. Refer to => [ Backrest Cover ] Backrest Cover.

- For reinstallation, mark pneumatic lines at the separating point with a waterproof permanent marker.

• The external check valve - 1 - is discontinued as of June 2010. Since then it is located inside the control modules for the multicontour seat. To find out if the control module has the check valve or not, refer to the Parts Catalog.






• Original replacement parts are delivered with short sections of line to which pneumatic lines with line connectors are connected.

• Before disconnecting the pneumatic lines, transfer the length of the sections of line from the original spare part to the part to be removed and disconnect at exactly this point.

- Disconnect the connector - 5 -.






- Version with a separate check valve: disconnect the pneumatic line from the check valve - 1 -. Refer to => [ Check Valve ] Check Valve.

- Version with an integrated check valve: disconnect the pneumatic line, refer to => [ Pneumatic Lines Disconnecting and Connecting ] Pneumatic Lines Disconnecting and Connecting.

- Push multi-contour front seat control module - 3 - up - arrow - and remove it.

- Disconnect pneumatic lines - 2, 4 - at the multi-contour front seat control module. Refer to => [ Pneumatic Lines Disconnecting and Connecting ] Pneumatic Lines Disconnecting and Connecting.

Installing

Install in reverse order of removal. Note the following:

Installation note: For example tightening specifications, replace components. Refer to => [ Front Multicontour Seat Control Module, Lumbar Support air Cushion Module Carrier and Backrest Fan Assembly Overview ] Front Multicontour Seat Control Module, Lumbar Support air Cushion Module Carrier and Backrest Fan Assembly Overview.