646219 Removing and Installing Microswitch For Rear Window Release

WM 646219 Removing and installing microswitch for rear window release

Technical values





Removing microswitch for rear window release





CAUTION

Danger of injury.

- Before removing wiper arm, remove ignition key and switch off steering column switch.

1. Unclip cover cap -1- at side and remove it.





2. Unscrew fastening nut -2-.
3. Pivot wiper arm -3- up and down a little and remove.
4. Unscrew fastening nut -4-.
5. -A- Using a plastic wedge, carefully unclip and remove the cover.





6. -B- Unscrew the two fastening nuts -5- for the wiper shaft. Hold the rear window release and pull out the wiper shaft.
7. Remove washers -6-.
8. Unlock electrical plug connection and pull the plug off.





9. Push the electric cable with the plug through the opening of the rear window and remove the rear window release.

Installing microswitch for rear window release





Installation position

1. Lay out electric cable for the rear window release through the rear window.





Routing electric cable

Information

- Lay out electric cable behind the plastic guide of the rear window release -arrow-.

2. Lay electric cable around the wiper shaft and connect the electric plug until the plug engages securely.





Connecting plug

3. -B- Insert washers -6- , push in wiper shaft and screw tight using the fastening nuts -5- => Tightening torque: 7.2 Nm (5.5 ftlb.).





Fitting wiper shaft

4. -A- Attach cover and press down until the clips engage.
5. Screw on fastening nut -4- and tighten => Tightening torque: 17 Nm (13 ftlb.).





Fitting wiper arm

6. Activate wiper motor once and drive to end position. Then fit wiper arm -3- and secure with fastening nut -2- => Tightening torque: 12 Nm (9 ftlb.).

Information

Before fitting the cap, check the retaining lugs of the cap for damage. The cap must be replaced in the event of damage or if you have any doubts about it.

7. Fit cover cap -1- and press in until it is felt to engage.

Information: Emergency operation for rear window release

1. From the luggage compartment, use a screwdriver to lever off the cover on the luggage-compartment lid.





2. Using a screwdriver, push against lower release lever -Z-.





3. The lock for the rear window opens.