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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (24 - Fuel System - Electronic Ignition -- CARRERA (997)) >> WM 244020 Removing And Installing Fuel Injectors (Turbo Coupe, Turbo CABRIO & Gt2) >> Removing Fuel Injectors - Cylinder Bank 4-6

Removing Fuel Injectors - Cylinder Bank 4-6

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Observe safety instructions when working on the fuel system. 

→ 2001AW BASIC SAFETY INSTRUCTIONS FOR WORKING WITH THE FUEL SYSTEM  .

  1. Attach or mount fire hazard warning sign in a clearly visible position on the vehicle.
    Fig 1: Example Of Warning Sign
    G09828642Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  2. Remove rear apron.

    → 635519 REMOVING AND INSTALLING REAR APRON  - section on "Removing"  .

  3. Remove charge air cooler on right.

    → 214319 REMOVING AND INSTALLING CHARGE AIR COOLER  - section on "Removing"  .

  4. Remove oil filler neck with holder.

    → 171519 REMOVING AND INSTALLING OIL FILLER NECK  - section on "Removing"  .

    Fig 2: Overview Of Oil Filler Neck Component
    G09828643Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 4.1. Remove holder for oil filler neck -7-  .

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

  5. Detach air-conditioning compressor → 873419 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR  .
    1. 5.1. Disconnect fuel line.
      Fig 3: Identifying Fuel Line
      G09828644Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 5.2. Pull engine compartment temperature sensor -1-  out of the rubber holder.
      Fig 4: Pulling Engine Compartment Temperature Sensor
      G09828645Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    3. 5.3. Unscrew the fuel lines from the fuel cooler.

      Counter at the fuel cooler (a/f 14) when unscrewing the union nuts -4-  .

      Fig 5: Removing Fuel Cooler Union Nuts
      G09828646Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    4. 5.4. Remove compressor.

      Remove three M8 screws -5-  . Carefully remove compressor, place to one side together with refrigerant lines (use protective surface). If necessary, secure with a tie-wrap to prevent them from slipping.

  6. Remove the engine wire harness to create better access to the fuel collection pipe.
    1. 6.1. Cut tie-wrap -arrow-  .
      Fig 6: Locating Engine Wire Harness
      G09828647Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 6.2. Open round connectors on engine wire harness.

      To do this, turn bayonet lock anticlockwise and pull off.

      Fig 7: Identifying Engine Wire Harness Round Connectors
      G09828648Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    3. 6.3. Unplug cable plug for cylinder 4 ignition coil -1-  .

      Pull cable plug -2-  off the camshaft sensor.

      Fig 8: Pulling Cable Rail And Cable Plug, Side 4-6
      G09828649Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    4. 6.4. Pull cable rail upwards from fuel collection pipe -arrow-  .

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

    Information 

    Do not put too much pressure on pipe and line connections. High pressure causes damage and leaks. Always counter at the lines when loosening and fastening them.

  7. Detach oil line from the oil tank.
    1. 7.1. Loosen oil line -1-  from the oil tank -2-  using Crow Foot Wrench, a/f 32 Nr.189.  Counter with an open-ended wrench (a/f 32) while doing this. Unscrew union nut.
      Fig 9: Loosening Oil Line To Oil Tank
      G09828650Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 7.2. Press line to one side to remove the fuel collection pipe.
  8. Remove fuel collection pipe with fuel injectors 4-6.
    Fig 10: Removing Fuel Collection Pipe With Fuel Injectors 4-6
    G09828651Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 8.1. Detach fuel line (a/f 17 and 19).
    2. 8.2. Remove two M6 screws -13-  .
    3. 8.3. Detach fuel collection pipe -2-  with fuel injectors 4-6 from the intake-air distributor.
    4. 8.4. Disconnect cable plug for fuel injectors 4-6.
    5. 8.5. Guide out fuel collection pipe -2-  in the direction of travel until it is exposed and can be removed.
  9. Remove fuel injectors from the fuel collection pipe.
    1. 9.1. Remove spring clamps.
    2. 9.2. Pull fuel injectors out of the collection pipe.
    3. 9.3. Replace the O-rings before assembly if the fuel injectors are to be reinstalled.
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