12 90 100 Replacing fan for electronics box
Necessary preliminary tasks:
- Switch off ignition.
- Follow instructions for Disconnecting and connecting battery. See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
- Disconnect battery ground terminal.
- Detach fuse box in passenger compartment and pull back; to do so, refer to 61 13 050 REMOVING AND INSTALLING OR REPLACING FUSE BOX IN PASSENGER COMPARTMENT (BUILT AFTER 03/2007) (E82) or 61 13 050 REMOVING AND INSTALLING OR REPLACING FUSE BOX IN PASSENGER COMPARTMENT (BUILT AFTER 03/2007) (E88) .
IMPORTANT:
Follow instructions for removing and installing electronic control units
.
Pull back carpet.
Release lower nut on fuse carrier holder.
Pull holder slightly towards front.
Disconnect plug connections for fan motor (1).
Release screws (2). Remove fan.
Add final details to vehicle.
Read fault memory.