64 12 670 Replacing front electric auxiliary heater
Necessary preliminary work
- Remove SUPPORT FOR DASHBOARD
Disconnect plug connection (1).
Release screws (1).
Lay servomotor (2) to one side.
Release screws (1).
Release screws (2) and remove housing side section (2).
Disconnect plug connection (1).
Release screw (2).
Pull out electric auxiliary heater (3) and detach associated earthing cable (4).
Installation note:
Make sure earthing cable (4) is securely seated.
In the case of the following part numbers no ad necessary:
- 6 968 178
- 9 151 309
- 9 185 403
These part numbers may no longer be installed production date from 03/2010!
For vehicles with production dates up to 03/2010 part numbers PROGRAMMING/ENCODING must be carried out.
In addition, perform conversion in the diagnosis path:
- Retrofit Electric Auxiliary Heater/Nachrus Zuheizer
Vehicles that have production dates after 03/2010 part numbers do not require any additional work