Remove/install pneumatic pump for multicontour seat

AR91.25-P-1431FR

Remove/install pneumatic pump for multicontour seat

02.10.2019

Model

257, 290

with code 432 (Dynamic seats left and right)

Model

290

with code 409 (Left and right front multicontour seat)

Shown on model 257 with code 432 (Left and right dynamic multicontour seat)

1

Screw

4

Pneumatic line

6

Foam material

2

Cover

5

Compressed air reservoir

M40

Multicontour seat pneumatic pump

3

Pneumatic line

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

2

Remove spare wheel well trim.

Model 290
with code 409 (Left and right front multicontour seat)
Model 290
with code 432 (Dynamic seats left and right)

AR68.30-P-4620FRX

Model 257
with code 432 (Dynamic seats left and right)

AR68.30-P-4620FR

3

Remove screw (1) at compressed-air reservoir (5).

4

Disconnect pneumatic lines (3, 4) at compressed-air reservoir (5).

 Pliers

*000589043700

5

Take pneumatic lines (3, 4) out of foam mount in cap (2).

6

Unclip cap (2).

7

Take multicontour seat pneumatic pump (M40) out of foam material (6) and place to one side.


Ensure that pneumatic lines (3, 4) and further pneumatic lines at terminal block on multicontour seat pneumatic pump (M40) do not kink.
Leaks may occur otherwise.

8

Unclip pneumatic terminal block from multicontour seat pneumatic pump (M40) using a suitable tool.

9

Disconnect electrical plug from multicontour seat pneumatic pump (M40).

10

Remove multicontour seat pneumatic pump (M40).

11

Install in the reverse order