Removing and installing front air distribution flap control motor V426 with potentiometer for front air distribution flap control motor G642 — VW

Removing and installing
front air distribution flap control motor
V426
with
potentiometer for front air distribution flap control motor
G642
Special tools and workshop equipment required
Vehicle diagnostic tester
First carry out the following work:
Switch off all electrical consumers.
Switch off ignition.
Remove ignition key.
Removing
Remove dash panel
General body repairs, interior
Rep. gr.
70
Dash panel: Removing and installing dash panel
.
If fitted, remove
entry and start authorisation control unit
J518
Electrical system
Rep. gr.
94
Entry and start authorisation system; Overview of fitting locations - entry and start authorisation system
.
Remove footwell vent on driver side
Chapter
.
Unscrew bolts
arrows
.
Note
The bolts are accessible from underneath behind the central tube.
Use a magnetic screwdriver to unscrew the bolts or have a second mechanic hold a magnet over the bolt. If the bolt drops out it will fall out of reach into the duct trough. Retrieval then involves removing the dash panel.
Pull off
front air distribution flap control motor
V426
4
and remove it.
Disconnect electrical connector
1
.
Installing
Installation is carried out in the reverse order. When installing, note the following:
Note
Check operation of flaps and hinge mechanism before fitting.
Make sure levers and shafts are properly fitted in the mounts.
The mounting of control motor
1
can only be fitted on actuating arm
2
in one particular position.
The mounting of the control motor must be opposite to the actuating arm as shown in illustration.
Note
Rotate the receptacle in the control motor if the mount and actuating arm do not align.
Switch on ignition, connect respective control motor to vehicle wiring harness and select a setting on operating and display unit to set control motor to desired position (e.g. mid-position). Wait until control motor has moved to desired position and switch off ignition.
Fit control motor on air intake box. The actuating arm must engage in mounting
1
arrow
while doing so.
There must not be any play in the connection between control motor and actuating lever.
Note
If the bolts cannot be fitted, the control motor is not completely seated on the housing.
Route wiring harness so that it cannot come into contact with any moving parts (e.g. actuating arm on control motor).
Note
Rotate control motor until it reaches a convenient position for installation. The direction of rotation can be changed by changing polarities.
Read event memory and erase any entries displayed. Then perform
“basic setting”
Vehicle diagnostic tester
in
“Guided fault-finding”
mode.
As a final step, check operation of heater and air conditioning system.
Specified torque
Chapter
“
Assembly overview - heater and air conditioning unit
”
Dash panel; Assembly overview - dash panel
General body repairs, interior
Rep. gr.
70
Dash panel; Assembly overview - dash panel
.