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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> 21 - Exhaust Gas Turbocharging -- CARRERA (997) >> WM 217119 Removing And Installing Oil Pressure Line For Turbocharger (Turbo Coupe, Turbo CABRIO & Gt2) >> Removing Oil Pressure Line >> Removing Oil Pressure Line - Cylinder Bank 4-6

Removing Oil Pressure Line - Cylinder Bank 4-6

  1. Remove heat shield. Unscrew two M6 Torx screws and take off the heat shield.
  2. Loosen holding clamp -2-  for oil pressure line -1-  on the camshaft housing cover. Unscrew one M6 Torx screw.
    1. 2.1. Disconnect ignition coil plug for cylinders 4 and 5 -3-  .
    2. 2.2. Disconnect cable plug for hall sender -4-  .
      Fig 1: Identifying Holding Clamp, Ignition Coil And Hall Sender Connectors
      G09828481Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Remove ignition coil for cylinder 5. Unscrew two M6 internal Torx screws and pull off ignition coil.
  4. Disconnect oil pressure line -1-  on cylinder head 4-6.
    1. 4.1. Unscrew one M6 internal Torx screw -2-  , pull off line and close off bore immediately.
      Fig 2: Identifying Oil Pressure Line On Cylinder Head 4-6
      G09828482Courtesy of PORSCHE CARS NORTH AMERICA, INC.
      NOTE: Mixing fluids
      • Risk of damage to components

      → Close off all openings immediately after exposing them (with adhesive tape, suitable stoppers).

  5. Disconnect three lines on the turbocharger. Close off bores immediately after pulling off a line -1-  .
    Fig 3: Identifying Lines On Turbocharger
    G09828483Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    • Item 1: Supply line to turbocharger oil tank.
    • Item 2: Lower coolant line.
    • Item 3: Upper coolant line.
  6. Disconnect oil pressure line -2-  on the turbocharger. Unscrew one M6 internal Torx screw, pull off line and close off the bore.
    Fig 4: Identifying Oil Pressure Line On Turbocharger
    G09828484Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  7. Remove turbocharger on cylinder bank 4-6 → 213019 REMOVING AND INSTALLING TURBOCHARGER .
  8. Guide out oil pressure line.
  9. Replace the O-rings on all lines and clean the connections.
    NOTE: Dirt and contamination
    • Risk of damage to units or components

    → Protect components from dirt and contamination.

    → Clean or replace dirty components.

    NOTE: Dirt and contamination
    • Risk of damage to units or components

    → Protect components from dirt and contamination.

    → Clean or replace dirty components.

  10. Make sure to check the connection bores on the turbocharger for intrusion of dirt and clean carefully.
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