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
If necessary, close retractable hardtop

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 is carried out with the weather strip fitted.

Denormalize POWER WINDOWS
Measure retraction depths with 2 special tools 51 3 080
Insert special tool 51 0 341 (blue) into the rotary striker and close the rotary striker
51 0 342 Measure preload with special tool
Initialize power window regulators

Necessary preliminary tasks

Denormalize POWER WINDOWS
Remove OUTER WEATHER STRIP (not for checking pretension)

Ideal adjustment, longitudinal direction

Open door window.

Fit special tool 51 0 210 (blue) 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 0 211 left or 51 0 212 right.

Fig 1: Fitting Special Tool (51 0 210) In Front Door

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

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

Fig 2: Attaching Special Tool (51 3 080) To Door Window Glass
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Measure retraction depth (C) in areas (A and B).

Retraction depth (C):

IMPORTANT: Previous sealing system
Image number R51 8601
Black to 01/2009
Silver to 03/2009
New sealing system:
Image number R51 8600
Black starting 01/2009
Silver starting 03/2009

Fig 3: Measuring Side Window Retraction Depth

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New sealing system can also be installed as replacement in older vehicles. Visually check which build version is current.

IMPORTANT: Previous sealing system
Front sealing system (1) and rear sealing system (2) make one stage.

A = 4 ± 0.5 mm

Distance between measuring point and mirror triangle = 30 mm

B= 7.5 ± 0.5 mm

Distance between measuring point and window edge = 90 mm

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

Fig 4: Identifying Front And Rear Sealing System

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IMPORTANT: New sealing system:
Front sealing system (1) and rear sealing system (2) form a straight line.

A = 4 ± 0.5 mm

Distance between measuring point and mirror triangle = 30 mm

B= 9 ± 0.5 mm

Distance between measuring point and window edge = 90 mm

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

Fig 5: Identifying Front And Rear Sealing System

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Mask off special tool 51 3 310 in area A with fabric adhesive tape. Place suitable foil between tool and glass (risk of damage to paint finish and glass)

Fig 6: Identifying Masking Area On Special Tool (51 3 310)

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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 7: Identifying Special Tool (51 3 310)

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NOTE: Make sure that the window glass is not glued to support (1) in blue area (A). (Increased break-away torque)

Fig 8: Identifying No-Glue Areas On Support

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

Slide door window glass (1) up against limit position of special tool 51 0 210 .

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 0 210 (forward/back adjustment) during adjustment of retraction depth.

Fig 9: Attaching/Positioning Special Tools On Door Window Glass

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

Tightening torque 51 32 2AZ .

Remove special tool 51 3 010 from door window glass.

Open door window and remove special tool 51 0 210 .

Fig 10: Identifying Screws And Special Tools

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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 11: Aligning Door Window Glass With Contour Of Gutter Strip

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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.

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

Fig 12: Identifying Special Tool (51 0 341)

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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:

A = 51 ±1 mm

Dimension (A) without weather strip:

A = 52 ±1 mm

B = 10 mm

Fig 13: Positioning Special Tool (51 0 342) On Seal Area

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Adjust preload

Slacken nut (3) with reversible ratchet (2) of special tool 51 3 300 (consisting of 51 3 301 , 51 3 303 and 51 3 304 ).

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

Tighten nut (3).

Tightening torque 51 33 1AZ .

Check adjustment, repeat procedure if necessary.

Fig 14: Adjusting Pre-Tension Using Special Tool (51 3 300)

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NOTE: After completing adjusting procedure, it is essential to INITIALIZE the power window regulator.
Checking run-in of door window glass:
Door window glass must strike the inside of the gasket.
Check adjustment of REAR SIDE WINDOW , adjusting if necessary.