Removing and installing electric window lifter — VW

Electric window lifters (M 651) have been available for Transporter vehicles since 03.86

Removing and installing operations are described below

Service installation is possible. For this, however, it is absolutely necessary that the driver's and front passenger's doors were manufactured after 08.85

Important:
Should the window lifter not react to switch operation, check the voltage as per the current flow diagram "Electric window lifter" - see Current Flow Diagrams and Electrical Fault Finding for Model Year 1986 onwards.
If the voltage check shows a defect in the motor and the two screws securing the window to the carrier (see => page
57-26
Before working on the electrical system, disconnect the battery earthing strap.
Removing

Wind window right up.

Remove trim and detach connectors.
Pull off protective foil.
Pull protective cap off door check strap.
Press switch out of door trim, push connectors together again and lower window until both window carrier bolts (arrows) are visible.
Unscrew window.

Push window right up and secure in position with wooden wedges.

Cut open cable binder (arrow).

Unscrew window lifter (3 bolts, 2 nuts).

Remove window lifter.

Caution!
Wear protective gloves.
Note:

During the following operations, guide the runner between the door outer and inner panels with one hand.

Press threaded stud in window lifter mechanism out of door inner panel.

Move the electric motor so that it is positioned diagonally to the opening and pull it out. When performing this operation, pay particular attention to the threaded pins which are best guided through at the locations indicated by arrows.
Turn electric motor with cables through 180° and pull cables and window lifter out through the door panel opening.

Important:
Do not use excessive force on the plastic cable guides.
Risk of breakage.
Installing

Turn electric motor with cables through 180° and guide the runner through door panel opening.

Important:
Do not use excessive force on the plastic cable guides.
Risk of breakage.
Rotate cables and electric motor into installation position.

Note:

The rest of the installation procedure is performed in reverse order to the removal.

In addition to this, pay attention to the following points:

After tightening the bolts for the electric motor, put guide runner and door window into position, connect up plug-and-socket connectors and carry out a functional test.
Push electric cables through protective foil.
Stick door trim foil into position:=> page
70-3

=> Repair Group 70
General Body Repairs