Remove and install left blend air flap actuator motor

AR83.10-S-2002P

Remove and install left blend air flap actuator motor

21.11.2018

Model

470, 471

Modification notes

31.10.2018

Operation steps revised, operation step validities added.

Shown on model 470

1

Left blending air flap actuator

4

Electrical connector

2

AC housing

5

Spacer

3

Screw

Shown on model 471

1

Left blending air flap actuator

2

AC housing

3

Bolts

4

Electrical connector

5

Spacer

6

Actuator gate

7

Guide bolts

8

Quadrant

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

1

Remove signal acquisition and actuation module and move out of working area with attached electric lines.

AR54.21-S-0048P

2

Remove screws (3) and remove left air mixing flap actuator motor (1) from air conditioner housing (2).

 When removing the left air mixing flap actuator motor (1), the air mixing flap drops to its end position, which corresponds to the coldest temperature setting.
Ensure that the spacer (5) remains at the air mixing flap.

3

Disconnect electrical connector (4) and remove left air mixing flap actuator motor (1).



Check

4

Twist the air mixing flap at spacer (5) by hand in a counterclockwise direction up to the end stop and then release.

 The air mixing flap must drop to its end position by itself.

If there is sluggishness or damage.



Replace air conditioner housing (2).

AR83.30-S-5200P



Install

5

Connect electrical connector (4) at left air mixing flap actuator motor (1).

6

Attach ground line at negative pole and tighten lightly by hand, then switch on ignition.

Model 470

AR54.10-S-0003P

7.1

Set automatic climate control to manual operation and adjust the temperature on the driver's side to the lowest value.

Model 470
with code HH4 (THERMOTRONIC automatic climate control)

 The blower must be activated.
The left air mixing flap actuator motor (1) moves into the position which corresponds to the end position of the air mixing flap.

7.2

Adjust the temperature to the lowest value.

Model 470
except code HH4 (THERMOTRONIC automatic climate control)

 The blower must be activated.
The left air mixing flap actuator motor (1) moves into the position which corresponds to the end position of the air mixing flap.

8

Align left air mixing flap actuator motor (1) at spacer (5) and position at air conditioner housing (2).

 Model 470
Ensure that the spacer (5) is correctly seated.

 Model 471
If the spacer (5) has been accidentally pulled off the guide during removal, this has to be pushed on again. When doing so, as shown, ensure the correct installation position (arrow A) relative to the actuator gate (6).
The left air mixing flap actuator motor (1) is positioned via the guide pin (7). When doing so, the sector gear (8) must engage in the left air mixing flap actuator motor (1).

9

Tighten bolts (3).



Check

10

Perform function test on left air mixing flap actuator motor (1).

11

Disconnect ground cable.

Model 470

AR54.10-S-0003P

12

Install signal acquisition and actuation module.

AR54.21-S-0048P