Subject: Noisy Cabriolet Top Transmission Gears Models: 911 Cabriolet ALL

Bulletin Number: 88 – 06

When replacing Cabriolet tops with noisy transmissions, first check synchronization of the left and right swivel gears. Make the necessary adjustments and recheck for noise before replacing parts.

Refer to Technical Bulletin Group 6. Number 87-08, Book D, page 221 for adjustment procedure. Torque valve for steering arm bolt (Fig. 1):

                                35 Nm (25.5 ft. lb.)

Important Notice: Technical Bulletins are intended for use by professional technicians, not a “Do-it-yourselfer.” They are written to inform these technician 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 your vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job safely and properly. If a condition is described, do not assume that 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.

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