51 32 154 Adjusting Left Or Right Front Side Window

Special tools required:

Prerequisite:

Vehicle must be standing on its wheels on a level floor
FRONT DOOR correctly adjusted to fit

IMPORTANT: When closing, the door window glass must not jam on the trim strip in any area of the window (window glass breakage).

If necessary, incoming check

Prior to any adjusting procedure perform incoming check:

NOTE: Incoming check must be carried out with the weather strip fitted.

Denormalize POWER WINDOW
Measure retraction depths with special tool 51 3 080 .
51 0 341 Insert special tool in rotary striker and close rotary striker
51 0 342 Measure preload with special tool
Initialize power window regulators

Necessary preliminary tasks

Denormalize POWER WINDOW
Remove OUTER WEATHER STRIP (not for checking preload)

Ideal adjustment, longitudinal direction

Open door window.

Fit special tool 51 0 320 in front door and press back until limit position. Tool must rest on door and have enough clearance along guide (1) in area (A).

NOTE: Special tool 51 0 321 left or 51 0 322 right.

Fig 1: Fitting Special Tool 51 0 320 In Front Door

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Ideal adjustment, retraction depth

Open side window
Attach special tool 51 3 080 to door window glass
Close front door and door window
Measure retraction depth

NOTE: 2 items of special tool 51 3 080 are required for adjustment of retraction depths.

Fig 2: Attaching Special Tool 51 3 080 To Door Window Glass

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Measure and if necessary adjust retraction depth (C) in areas (A and B).

Retraction depth (C):

5 ± 1 mm
Distance between measuring point and mirror triangle = 30 mm
5 ± 1 mm
Distance between measuring point and window edge = 70 mm

Fig 3: Distance Between Measuring Point And Mirror Triangle
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IMPORTANT: Front door must open and close without the door window glass touching the roof trim strip.

Mask special tool 51 3 310 in area A with fabric adhesive tape. Hold suitable foil between window glass and tool. (Risk of damage to paint and window glass)

Fig 4: Special Tool 51 3 310 In Area A With Fabric Adhesive Tape

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Adjusting longitudinal direction/retraction depth

Slacken screws (1) with special tool 51 3 310 until door window glass can just be moved.

Fig 5: Screws With Special Tool 51 3 310

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Mount special tool 51 3 010 to door window glass (1).

Slide door window glass (1) 51 0 320 up against limit position of special tool.

Adjust retraction depth of door window (1) in area of A-pillar and B-pillar.

NOTE: Door window glass must rest against special tool 51 0 320 (forward/back adjustment) during adjustment of retraction depth.

Fig 6: Mounting Special Tool 51 3 010 To Door Window Glass

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Tighten down screws (1) with special tool 51 3 310 .

Tightening torque 51 32 1AZ .

Remove special tool 51 3 010 from door window glass.

51 0 320 Open door window and remove special tool.

Fig 7: Tightening Screws Using Special Tool 51 3 310

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Upper edge of door window glass (1) must be adjusted parallel to contour (2) of gutter strip.

Gaskets on A-pillar and on retractable hardtop must not be damaged.

When the door window glass is retracted into the gaskets, the gaskets must not distorted.

Fig 8: Locating Upper Edge Of Door Window Glass

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Ideal setting, preload

NOTE: Pre-tension can be checked with or without weather strip. Pre-tension is 1.0 mm less with weather strip. Magnet in special tool 51 0 341 creates the correct door window glass pre-tension on the seal system for measurement. No force must be exerted on the door or door window glass during measurement.

Fig 9: Magnet In Special Tool 51 0 341

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Insert special tool 51 0 341 in rotary striker of door lock and close rotary striker manually. Carefully close door.

Slide special tool 51 0 342 at distance (B) to door window glass side edge into seal (1) and measure dimension (A) to outside edge of door window glass (2).

Dimension (A) with weather strip:

41 ±1.5 mm

Dimension (A) without weather strip:

42 ±1.5 mm
10 mm

Fig 10: Measuring Dimension To Outside Edge Of Door Window Glass
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Adjust preload

Slacken nut (3) with reversible ratchet (2) of special tool 51 3 300 (consisting of 51 3 301 , and 51 3 302 ).

Turn knob (1) on special tool 51 3 300 to turn bolt (4) and thereby alter the pretension.

Tighten nut (3).

Tightening torque 51 33 1AZ .

Check adjustment, repeat procedure if necessary.

Fig 11: Adjusting Preload

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NOTE: After completing adjusting procedure, it is essential to INITIALIZE the power windows.

Checking run-in of door window glass:

Door window glass must strike the inside of the gasket.