ar9130s1905ch

Remove/install seat ventilation motors on the rear seat backrest

Type ar · topic 91.30 · version 0200 · 2019-07-25

Applies to: Model 447.8, 448.8 with code U90 (Left luxury seat of 1st seat row) Model 447.8, 448.8 with code U91 (Right luxury seat of 1st seat row)

Where it sits

Function group 3 Body › 91 Seats, bunks, restraint systems › 91.30 Seat heater, seat ventilation — Series 447 (models 8**) · Series 448 (models 8**)

EinPAS 39 Heating/ventilation/cooling › 39.35 Seat heating/seat climate control/armrest heating › 39.35.36 Blower — Series 447 (models 8**) · Series 448 (models 8**)

AR91.30-S-1905CH

Remove/install seat ventilation motors on the rear seat backrest

19.07.2019

Model

447.8, 448.8

with code U90 (Left luxury seat of 1st seat row)

Model

447.8, 448.8

with code U91 (Right luxury seat of 1st seat row)

Modification notes

08.07.2019

Repair method revised.

Remove/install seat ventilation motors on the rear seat backrest

S91.30-A005-79

1

Seat ventilation motors

2

Electrical connector

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Remove/install

1

Remove seat backrest padding with seat backrest cover far enough from respective passenger seat backrest until seat ventilation motors (1) are accessible.

AR91.21-S-4492CH


Do not kink lines of air cushion with valve block.
Otherwise damage and malfunctions will occur.

2

Disconnect electrical connection (2).

3

Detach seat ventilation motors (1) from passenger seat backrest and remove.

The seat ventilation motors (1) can only be replaced in pairs.

Observe installation position of seat ventilation motors (1) on passenger seat backrest.

4

Install in the reverse order.

Referenced documents