Front Door Window Glass: Adjustments

51 32 154 - Adjusting left or right front door window glass





Special tools required:
- 51 3 080 51 3 080 Tool





Note:
Basic settings apply to Coupe and Convertible.

It is possible to adjust the door window glass without having to remove the door trim panel.

Important!
The vehicle must be standing on its wheels during this adjustment procedure (not on the lifting platform or jacked up).





Note:
Check/adjust presettings after removing or replacing power window unit or door window glass.

Prerequisite:

Front door must be correctly adjusted to fit Adjustments.

Convertible top correctly adjusted.





Ideal adjustment:

Door window glass (1) must rest in seal (2) over entire width.

Areas (A) must rest on seal (3) (wind noises, water ingress).





Vertical adjustment (retraction depth):

- Close convertible top if necessary
- Open front door
- Attach special tool 51 3 080 51 3 080 Tool to door window glass
- Close front door and door window
- Measure retraction depth

Note:
3 items of special tool 51 3 080 51 3 080 Tool are required for rapid adjustment of retraction depths.





Ideal adjustment:

Measure retraction depth in areas (A and B).

Measurement (C) = 4 ± 0.5 mm -

Important!
Front door must open and close without the door window glass touching the roof trim strip.





Top edge of door window (1) must be adjusted parallel to contour (2) of water drain.





Open door window.

Lever out covers (1 and 2) from bottom of door.

Height of door window is adjusted by turning screw (3).

Check adjustment.





Longitudinal adjustment without dismantling door trim panel:

Necessary preliminary tasks:
- Remove cover from outside door handle Removing and Installing/Replacing Cover on Outside Handle





Ideal adjustment:

Distance (A) of trim (2) to door window glass (1):

Measurement (A) = 10 ± 0.5 mm -

Note:
If necessary, check that trim (2) is correctly seated on door window (3).





When door window glass (1) is closed, rear edge of glass must rest against moulded corner (2) of cavity seal (3).





Lever out cover (1) in direction of arrow.

Note:
Close door window glass completely so that screw (2) can be reached.

Slacken screw (2) in clockwise direction and carry out longitudinal adjustment by moving door window glass (3).

Installation:
Tightening torque 51 32 2AZ 51 32 Front Door Windows.





Checking emergency function (pretension):

Ideal adjustment:

Close door window glass (1).

Close rotary latch while front door is open.

Door window glass (1) now moves into end position.

Press front door against lock striker.

Note:
In this door position, top edge of door window glass (1) must rest on door seal (2).

It must be possible to pull out the paper strip with moderate friction resistance.

Measurement (D) = 9 mm -





Adjusting pretension:

Lever out cover (1).

Slacken nuts (2).

Adjust pretension by moving screws (2) in elongated holes (3).

Check adjustment, refer to ideal adjustment.

Note:
Repeat procedure until ideal adjustment is reached.

Tighten down nuts (2).

Tightening torque 51 33 2AZ [1][2]51 32 Front Door Windows.





Longitudinal adjustment with door trim panel removed:

Necessary preliminary tasks:
- If necessary, remove sound insulation Removing and Installing/Replacing Sound Insulation in Left or Right Front Door





Door window glass (1) must be opened to dimension (A).

Measurement (A) = approx. 350 mm -





Slacken screw (1) through bore (2) on inner door panel.

Tightening torque 51 32 2AZ 51 32 Front Door Windows.

Move door window glass (3) in longitudinal direction.

Note:
Ideal adjustments, refer to: "Longitudinal adjustment without dismantling door trim panel".





Adjusting pretension:

Note:
Refer to: "Adjusting pretension with door trim panel fitted".

Observe ideal adjustments.





Note:
The following work step ends here:

Adjusting left or right front door window

Convertible only:

- Adjust rear left or right side windows