Technical Service Bulletin Improved Window Regulator Stopping

Subject: Improved Window Regulator Stop  Models: 911 Targa / 911 Cabriolet 1980-1985

Bulletin Number: 86 – 09

The window regulator was improved to prevent the upper stop from moving, causing the door window to go out of adjustment.

From Production Date: Sept. 30, 1985

VIN        91 0GS 12 0566

                91 5GS 16 0403

                91 9GS 17 0240

                93 7GS 05 0243

The locking of the regulator stop on Targa and Cabriolet models from 1980 to September 30. 1985 can be improved by installing an additional bolt and nut on the upper stop.

See picture

  1. Targa Model 1980-1983
parts for window adjusting

Cabriolet Model 1983

  • Targa and Cabriolet

Model 1984 – Sept. 30, 1985M

Modification can be done with regulator installed.

Parts required:

Bolt M6x6 Part Number 900.075.007.02

Nut 6mm Part Number 900.910.012.02

Do not use washers

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