911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
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General remarks on hydraulic system
The hydraulic system is sensitive to penetration of dirt. As soon as the system is opened by the plug, a cloth must be placed under the hydraulic lines to
catch escaping hydraulic oil.
The hydraulic convertible top uses a closed hydraulic system. In general, the hydraulic system will need to be filled only if the hydraulic circuit was
opened (after parts replacement). Only Original Porsche hydraulic oil must be used when changing or topping up the hydraulic oil.
Opening and closing hydraulic valve of the hydraulic pump
Access for opening and closing the hydraulic valve up to model year 2000
To open, insert the Allen key -A- into the hydraulic valve -B- and turn approx. 1 turn to the left.
To close, insert the Allen key into the hydraulic valve -B- and turn to the right.
Access for opening and closing the hydraulic valve as of model year 2001
