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March 2, 2016 Service bulletin

Power Steering Plus (I-no.658 )

Porsche technical service bulletin 991440-15 for 2017 Porsche 911.

Bulletin number
991440-15
Component
Steering
Summary
Power Steering Plus (I-no.658 ) - Power steering plus is a speed sensifitive power sterring system. It reduces steering forces while manoeuvring the vehicle and driving at low speeds.

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