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Valve Blocks N475/N476/N477/N478 For Massage Mat







Valve Blocks N475/N476/N477/N478 for Massage Mat

Valve block 1 in driver seat (N475) / valve block 2 in driver seat (N476) / valve block 1 in front passenger seat (N477) / valve block 2 in front passenger seat (N478)

Special tools, testers and auxiliary items required

Cutting pliers (VAS 6228)

Removing






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

- Disconnect the connector - 3 -.

- Push massage mat valve block - 4 - up slightly to detach it at the module carrier - arrow A -.

- Carefully release locking mechanism - arrow B -, disconnect pneumatic lines - 1 - and - 2 -.

- Disconnect pneumatic lines to the massage mat air cushions at the following points. Refer to => [ Disconnecting and Connecting Pneumatic Lines ] Disconnecting and Connecting Pneumatic Lines:






a 40 mm

Installation

Install in reverse order of removal. Note the following:

Information for installation: for example tightening specifications, replacing body parts, refer to => [ Backrest Cushion with Massage Mat Assembly Overview ] Backrest Cushion With Massage Mat Assembly Overview.