Front Door Window Glass: Adjustments

Adjusting Front Door Window

Tools







Technical values







Preliminary work

INFORMATION: The precondition for exact adjustment of the front door window is that the door is perfectly adjusted and correctly locked in the lock peg in accordance with the joining plan. Refer to Diagram - body gap dimensions

1. Close the front door window -1- fully -arrow-.







2. Remove door trim panel. Refer to Removing and installing door trim panel
3. Pull off rubber sleeves on the door sub-frame at the top left and right.







4. Pull off rubber sleeves -1- on the door at the bottom left and right.







Adjusting front door window

1. Close the hood.
2. Open the door and lock the door lock/rotary latch in the main catch.
3. Loosen fastening screws -1- used to secure the door window glass -arrows-.







4. Loosen fastening screws -arrow- on the bottom of the window lifter.







5. Close the locked door until the door lock/rotary latch engages at the lock peg.

INFORMATION: The door window glass must be guided in under the sealing lip using your hand (risk of damage to A-pillar sealing lip).

6. Carefully close the door and check the seal running along the glass edge of the cowl panel frame and roof frame.
7. Adjust door window glass in X and Z direction.







7.1. Adjust the door window glass to position -X- until the glass edge is flush with the seal on the cowl panel frame. Adjust at the adjusting screws on the drivers if necessary.

INFORMATION: The adjusting screws of the drivers for the upper limit stops for the door window height are accessible through two holes at the bottom of the door.

Adjustment procedure:
- Adjust the upper limit stops of the drivers by screwing the fastening screw -arrow- in or out using an E6 socket in or against the direction of travel.







- Adjust the drivers so that they meet the upper limit stops at the same time.

7.2. Tighten fastening screw on the front mounting piece. Tightening torque: 8.5 Nm (6 ftlb.) ± 1.5 Nm ( ± 1 ftlb.)
7.3. Slide the door window glass in position -Z- upward in the slot at the rear mounting piece (B-pillar) until the glass edge is flush with roof frame 2.Adjust at the adjusting screws on the drivers if necessary.







7.4. Tighten fastening screw on the rear mounting piece. Tightening torque: 8.5 Nm (6 ftlb.) ± 1.5 Nm ( ± 1 ftlb.)

INFORMATION: Always slide the window lifter rails forward and back in parallel to avoid straining them.

8. Adjust door window glass in Y direction.
8.1. Adjust the preset dimension using a calliper gauge Nr.139 Pos.1. Adjustment value: 45 mm ± 1 mm

The preset dimension gives the pressing force of the edge of the door window on the door seal at the top and sides.

If the control dimension is not reached with the standard preset dimension, the preset dimension must be adapted as required until the control dimension is observed in each case.







8.2. Tighten fastening nuts on the bottom of the window lifter. Tightening torque: 10 Nm (7.5 ftlb.)

9. Unlock door lock/rotary latch.
10. Check closing depth of door window glass.







10.1. Close the door.
10.2. Use a wax marker to mark the door window glass along the roof frame seal.
10.3. Actuate the door handle until the window lowering function is activated. Window lowering function -X = approx. 11 mm-.
10.4. Check the control dimensions along the door window glass by examining the wax-marker marking and change the setting if necessary.

Control dimension for section -A-A-. Control dimension: 3 mm + 1.5 mm







Control dimension for section -B-B-. Control dimension: 8 mm + 3 mm







Control dimension for section -C-C-. Control dimension: 5 mm + 1 mm







Control dimension for section -D-D-. Control dimension: 3.5 mm + 1.5 mm







Control dimension for section -E-E-, at the same height as the top corner of the seal on the mirror attachment point finisher. Control dimension: 0 mm - 2 mm







11. Close the door.
12. Check window glass on the hood (check for "carding").

Subsequent work

1. Press in rubber sleeves -1- on the door at the bottom left and right.







2. Press in rubber sleeves on the door sub-frame at the top left and right.







3. Install door trim panel. Refer to Removing and installing door trim panel