Adjusting Rear Left or Right Side Window Glass and Power Window Regulator

51 37 158 Adjusting Rear Left or Right Side Window Glass and Power Window Regulator






Special tools required:






Necessary preliminary tasks:
- Remove outer window cavity cover strip
- Remove backrest for rear seat
- Remove rear seat

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 regulator or door window glass.

Prerequisite:
Front door must be correctly adjusted to fit [1][2]41 5. ... Adjust Door.
Soft top correctly adjusted .






Ideal adjustment:
Close soft top.
Side window glass (1) must rest in seal (2) over entire width.
Door window glass (3) must rest in area (A) on side window seal (4) (wind noises, water ingress).






Vertical adjustment (A) (retraction depth):
- Close convertible top
- Open door window
- Attach special tool 51 3 080 to side window glass
- Close side window completely
- Measure retraction depth

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






Ideal adjustment:
Measure retraction depth in areas (1 and 2).
Dimension (c) = 6 ± 1.5 mm






Slacken washers (1) of side window (2) with special tool 51 3 240 (do not release fully).
Adjust height (A) of side window (2).
Tighten down washers (1) with special tool 51 3 240.
Tightening torque 51 37 2AZ [1][2]Quarter Window Motor.






Parallelism (B) (window tilt):
Ideal adjustment:
Side window top edge (1) must be parallel to contour of seal (2).
Close side window glass and mark along seal (2) at bottom and top with a water-soluble marker pen.

Note: Clean side window.






Slacken washers (1) of side window (2) with special tool 51 3 240 (do not release fully).
Adjust side window (2) by turning (B).
Tighten down washers (1) with special tool 51 3 240.
Tightening torque 51 37 2AZ [1][2]Quarter Window Motor.






Longitudinal adjustment (C):
Ideal adjustment:
Distance (a) of door window glass (1) to strip (2) of side window:
Dimension (a) = 8.8 ± 1.5 mm






Slacken washers (1) of side window (2) with special tool 51 3 240 (do not release fully).
Adjust side window (2) by turning (C).
Tighten down washers (1) with special tool 51 3 240.
Tightening torque 51 37 2AZ [1][2]Quarter Window Motor.






Gap between side window and side panel:
Ideal adjustment:
Gaps (A and B) between side window (1) and side panel (2):
Measurement (A) = 10 mm
Measurement (B) = 16 mm

Important! Side window glass must run into seal when soft top is closed.






Open loading aid in luggage compartment.
Remove plug (1).
Slacken screw (2) underneath (do not release fully).
Adjust side window by moving (A).
Tightening torque 51 37 3AZ [1][2]Quarter Window Motor.

Note: If setting is not achieved: adjust power window regulator if necessary.






Pretension (D) of side window inclination:
Ideal adjustment:
Side window glass (1) must run into soft top seal when soft top is closed.
Door window glass (2) must rest firmly on side window seal (3) when soft top is open.
It must be possible to pull out the paper strip with moderate friction resistance.






Adjust pre-tension (D) by turning toothed knurled nut (1) on mounting (2) with special tool 51 2 220 .