Subject: Discharged Battery Models: 911 Carrera Coupe/911 Turbo Coupe 1987
Bulletin Number: 87 – 15
911 Carrera Coupe and
911 Turbo Coupe Only
When diagnosing a battery that discharges, check for current draw. The interior lights ground connection could contact the positive lead. This activates the power window motor relay and discharges the battery in a relatively short time.
From production date end of May 1987 the body ground connection is bent to the side and additionally insulated.
To repair cars prior to the above production date, bend the ground connection to obtain the necessary clearance and insulate it.
Important Notice: 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 a 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 in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify correct part numbers.
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