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.