Front Door Window Glass: Testing and Inspection

Door Window Inoperative/Freezing

Vehicle Type: 911 Carrera (996)

Model Year: As of 1999 (X)

Concern: Door window seal freezes to the window glass.

Information: It is possible for the door shaft seal to freeze to the door window when outside temperatures are below freezing. If this should occur, the window will not open. To avoid the possibility of freezing, a modified door seal is installed in production as of October 7, 1998, from the following VINs:

99 4XS 62 4090 - Coupe
99 XXS 65 2565 - Cabriolet

If addressing a customer complaint of "Door window freezing" on a vehicle produced prior to the above VINs, the new type seal can be installed.

Parts Info.:

Part Number Description
996 537 085 05 New/Door shaft seal (left)
996 537 086 05 New/Door shaft seal (right)

Work Procedure: Replacing outside door shaft seal.

- Open door window completely.
- Remove ignition key.

Caution: There is danger of severe injury if the side airbag is deployed!. Therefore when performing work in the door area of the vehicle, always ensure the ignition key is REMOVED!

- Remove door panel, see Disassembling and assembling door.
- Carefully pull off inside door shaft seal near the upper edge of the door.

NOTE: Remove carefully, for this seal is to be reused!

- Completely pull off and unclip outside door shaft seal. Remove all fastening clips from the bores in the door.

WARNING: The anti-friction coating of the door seal can dissolve if it comes in contact with certain chemicals. Thus, the door seal can be destroyed! Door seals should NOT be treated with Vaseline, glycerin or other paraffin-based products!

- Fit new outside door shaft seal. Align seal at the end of the door window shaft, B-pillar and fasten with the clip (999 507 571 02). Press all seal clips into the bores in the door.
- Refit inside door shaft seal at the upper edge of the door.
- Install door panel, see Disassembling and assembling door.
- Perform function test.

Literature: 911 Carrera (996) Technical Manual, Group 5,
Section: 57 51 37 - Disassembling and assembling door.

Important Notice: Porsche Cars N.A Technical Bulletins are intended for use by professional technicians, not a "Do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Special tools may be required to perform certain operations identified in these bulletins. Use of tools and procedures other than those recommended in these bulletins may be detrimental to the safe operation of your vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your Porsche Dealer for information on whether your vehicle may benefit from the information. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify correct part numbers.