Subsequent Work

Information 

• The clutch actuating hydraulic system is bled by pumping the pedal. If a bleeding device filled with Pentosin is available, you can bleed the clutch in the same way as for previous systems. To do this, connect the bleeding device to the front of the Pentosin reservoir. 
• Both methods (variants) are described in the text below. 
• Only use fresh Pentosin . 
• Hold the supply tank with your hand (counter) while you loosen and tighten the cap. 

1. Bleed the clutch actuating hydraulic system (by pumping the pedal or using a bleeding device that is filled with Pentosin). Both procedures are described under Point 2 and Point 3 (methods below).
2. Bleeding clutch - by pumping the pedal 
   1. 2.1. Fill the supply tank -2-  (for the clutch actuating hydraulic system) with fresh Pentosin. Counter at the Pentosin reservoir (green lid with white edge) when opening the cap.
      Fig 1: Removing Pentosin Reservoir For Clutch Control System

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   2. 2.2. Connect a collecting bottle (with a transparent hose) to the bleeder valve -arrow-  on the clutch slave cylinder. Then open the bleeder valve -arrow-  .
      Fig 2: Locating Clutch Slave Cylinder/Bleeder Valve

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   3. 2.3. Afterwards, activate complete pedal travel manually very slowly (with the clutch pedal).

      Information 

      • Make sure that the supply tank is not sucked dry. Top up if necessary! 

        After about 10 pedal strokes, leave the pedal in its normal position. Then close the bleeder valve (enlist assistance of 2 mechanics).

   4. 2.4. Fill the transparent supply tank with fresh Pentosin and continue bleeding. Open the bleeder valve -arrow-  at the clutch slave cylinder and then activate complete pedal travel manually very slowly until no more air bubbles appear at the bleeder valve (at the collecting bottle with transparent hose). Then close the bleeder valve.
   5. 2.5. Top up the fluid level for the transparent supply tank -2-  (correct using Pentosin hydraulic fluid/must lie between the Min. and Max. marking). Then screw on the lid. Counter the tank when doing this.
      Fig 3: Identifying Reservoir

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   6. 2.6. Activate the clutch pedal slowly, five times.
3. Bleeding the clutch - with bleeding device 

   In general, a minimum filling time of 90 seconds must be observed.

   1. 3.1. Fill the Pentosin reservoir -2-  (for the clutch actuating hydraulic system) with fresh Pentosin. Counter at the Pentosin reservoir (green lid with white edge) when opening the cap.

      Connect the bleeding device, which is filled with Pentosin  , to the reservoir (Pentosin reservoir) -2-  .

      Fig 4: Identifying Reservoir For Clutch Control System

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   2. 3.2. Switch on the bleeding device and set an overpressure of approx. 1.3 bar.
   3. 3.3. Connect a collecting bottle (with a transparent hose) to the bleeder valve -arrow-  on the clutch slave cylinder. Then open the bleeder valve -arrow-  .
      Fig 5: Locating Clutch Slave Cylinder/Bleeder Valve

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   4. 3.4. Move clutch pedal extremely slowly to the "Pedal fully depressed" position. When doing so, guide the pedal by hand so that it does not move forward abruptly.
   5. 3.5. Allow the Pentosin to rinse through for 30 seconds.
   6. 3.6. Afterwards, activate complete pedal travel manually very slowly for a further 60 seconds. After about 10 to 15 pedal strokes, leave the pedal in its normal position. Once this filling period has elapsed, check that no more bubbles appear at the bleeder valve (at the collecting bottle with transparent hose). Then close the bleeder valve.
   7. 3.7. Switch off and disconnect the bleeding device. Correct the fluid level for the transparent supply tank -2-  (Pentosin hydraulic fluid/must lie between the Min. and Max. marking). Then screw on the lid. Counter the tank when doing this.
      Fig 6: Identifying Transparent Supply Tank

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   8. 3.8. Activate the clutch pedal slowly, five times.
4. Install cover -A-  over Pentosin reservoir → 852219 REMOVING AND INSTALLING COVER .
   Fig 7: Identifying Reservoir Cover

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5. Install driver's seat.