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- Porsche bulletin (r.0): Transfer Boxes Shudder/Jerk at Slower Speeds
Condition
Customer uses adjectives like shuddering, jerking, jolting, lurching, lunging or similar to describe the behavior of the vehicle’s drivetrain at lower speeds. Particularly, this occurs while driving in 2nd or 1st gear in the transmission’s automatic mode with some slight brake application in combination with a greater steering angle input (at or close to ‘full-lock’), travelling at around 10 mph, e.g. while negotiating a parking space or lot. The condition happens in reverse too, and can be disconcerting. There are no fault occurrences associated with the behavior described herein.