Removing and installing fresh air/air recirculation, air flow flap control motor V425 with potentiometer G644 — AUDI

Removing and installing
fresh air/air recirculation, air flow flap control motor
V425
with potentiometer
G644
Automatically controlled air conditioner
Removing
Switch off ignition.
Equipment version with ignition lock: Remove ignition key.
Remove glove box
General body repairs, interior
Rep. gr.
68
Shelves / trim panels; Removing and installing glove box
.
Note
Right-hand drive vehicles: Remove central tube for dash panel
General body repairs, interior
Rep. gr.
70
Central tube for dash panel; Removing and installing central tube for dash panel
.
Remove bolts
arrows
.
Detach
fresh air/air recirculation, air flow flap control motor
V425
item 1
from intake duct.
Unplug electrical connector
3
.
Installing
Installation is carried out in the reverse order; note the following:
Tightening torque
Chapter
“
Exploded view - heater and air conditioning unit
”
Note
Check operation of flaps and hinge mechanism before installing.
Make sure levers and shafts are seated correctly in actuator sockets.
The actuator socket in the control motor can only be fitted onto the actuating arm
2
in one position.
The actuator socket in the control motor must be opposite the actuating arm as shown.
Note
If the actuator socket and actuating arm are not opposite one another, the socket in the control motor must be turned. Observe notes
Chapter
.
Position control motor on air distribution housing. The actuating arm must engage
arrow
in actuator socket
1
.
There must not be any play in the connection between the control motor and actuating arm.
Note
The control motor is not positioned correctly on the housing if the bolts cannot be fitted.
Route electrical wiring harness so that it cannot come into contact with moving components (e.g. control motor lever).
To check operation of control motor, connect an adapter cable
Chapter
, or use a test lead from
adapter set
V.A.G 1594C
to connect contacts
“5”
and
“6”
of control motor to a 12 V battery via a 5 A fuse.
Note
Turn control motor until it reaches a convenient position for installation. The direction of rotation can be reversed by interchanging positive and negative.
Install remaining components.
Interrogate event memory and erase any entries displayed; then perform
“Basic setting”
Vehicle diagnostic tester
(
“Guided Fault Finding”
).
As a final step, check operation of heater/air conditioner.