Adjusting the door window

Fig 1: Checking Adjusting Front Lateral Support Rail

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The door window should press against the windscreen frame seal when the door is closed. The door window edge should engage below the lip on the seal.

Fig 2: Checking Adjusting Front Lateral Support Rail

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The support rail should be adjusted as far back longitudinally as possible.

Before VIN number 27004929: 

If this adjustment is not sufficient, see IMPROVEMENTS FOR DOOR WINDOWS, CV

Fig 3: Checking And Adjusting Front Support Rail Longitudinally

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The adjustment affects the door window height position.

Fig 4: Illustration For Adjustment 2 & 2A

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The door window height should be level with the hood seals so that the pressure is even from the front to the rear edge of the door window. The edge of the door window should engage under the lip on the seals. See also "ADJUSTING THE DOOR WINDOW ", point 9. After adjustment proceed directly to point 9.

Fig 5: Identifying Door Window Edge Position

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The adjustment affects the door window height position separately for the front and back parts of the door window upper edge.

Fig 6: Illustration For Adjustment 2, 2A

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The door window height should be level with the hood seals so that the pressure is even from the front to the rear edge of the door window. The edge of the door window should engage under the lip on the seals. See also "ADJUSTING THE DOOR WINDOW ", point 9.

Fig 7: Identifying Door Window Edge Position

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Release the adjustment nuts for ADJUSTMENT 2A and run the door window to its up position.

Set the two upper stops for ADJUSTMENT 2, run the window down and up again, and check the setting. One turn on the adjustment screw corresponds to 1 mm height of the door window upper edge.

Check that the adjustment screws make contact with the door stop when the door window is in its up position. If there is some play between the adjustment screws and the stop, undo the nuts for the door window longitudinal adjustment, ADJUSTMENT 4, so that the door window can be turned to the correct position. Then tighten the adjustment nuts (ADJUSTMENT 4) and check the upper stops.

The adjustment affects the door window longitudinal slope and the height of the door window rear edge and the distribution of the mechanism forces on the front and rear lifting arms.

Fig 8: Identifying Door Window Longitudinal Slope And Height Of Door Window Rear Edge

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Before VIN number 17008621: 

This check is not performed, proceed to "Adjustment of door window", point 13.

After VIN number 17008621: 

Run the door window to the up position with the door closed. Place two pieces of tape on the door window immediately above the outer seal, approximately level with the position of the two upper stops.

Fig 10: Placing Two Pieces Of Tape On Door Window

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After VIN number 17008621: 

Open the door and close it again. Check the distance between the pieces of tape and the outer seal. If the distance of one piece of tape from the outer seal is greater than the other, the force from the lifting arms is too low. Increase the lifting arm force using ADJUSTMENT 3, see "ADJUSTING THE DOOR WINDOW ", points 9 -13.

Before VIN number 17008621: 

This measure is not performed, proceed to point 14.

After VIN number 17008621: 

Fasten the door window upper stop, ADJUSTMENT 2A.