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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> 61 - Convertible Top, Hardtop -- 911 CARRERA (991) >> WM 618419 Removing And Installing Hydraulic Pump (CARR. CABRIO, CARR. S CABRIO, CARRERA GTS CABRIO, CARR. 4 CABRIO, CARR. 4S CABRIO, Turbo CABRIO, CARR. 4 GTS CABRIO, Turbo S CABRIO) >> Starting The Hydraulic System >> Checking Hydraulic Oil Level

Checking Hydraulic Oil Level

  1. Bleed the hydraulic system.
  2. Check the hydraulic oil level on the reservoir by checking the cross hair marking.

    Information 

    • The hydraulic oil level is exactly at the marking when the convertible top is open and the convertible-top compartment lid is closed. 
    • The hydraulic oil level is slightly above the marking when the convertible top and convertible-top compartment lid are open. → Control value: 2 mm 
      Fig 1: Checking Hydraulic Oil Level
      G09994583Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      The hydraulic oil level must not be below the marking.

  3. If the oil level is too low, add hydraulic oil.
  4. Ventilate hydraulic oil tank.
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