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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> Accessories & Equipment >> Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.) >> 97 - Cables -- CARRERA (997) >> WM 975219 Removing And Installing Wire Harness For Engine (Turbo Coupe, Turbo S Coupe, Turbo CABRIO, Turbo S CABRIO, Gt2 & Gt2 RS) >> Removing Wire Harness For Engine

Removing Wire Harness For Engine

Fig 1: Identifying Wire Harness For Engine Installation Position
G09831312Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  1. 01 - 03  - Ignition coil on cylinder bank 1 - 3
  2. 04 - 06  - Ignition coil on cylinder bank 4 - 6
  3. 07 - 09  - Fuel injector 1 - 3
  4. 10 - 12  - Fuel injector 4 - 6
  5. 13 - 14  - Camshaft sensor
  6. 15 - 16  - Knock sensor
  7. 17 - 18  - Camshaft adjuster
  8. 19 - 20  - Valve lift adjuster
  9. 21 - 22  - Ground
  10. 23  - Generator terminal 30
  11. 24  - Speed sender
  12. 25  - Ambient air valve
  13. 26  - Secondary air blower
  14. 27  - Generator
  15. 28  - Exhaust temperature sensor
  16. 29  - Throttle valve
  17. 30  - Oil-level sensor
  18. 31  - Tank vent
  19. 32  - Water temperature sensor
  20. 33  - Water pump
  21. 34  - Starter terminal 50
  22. 35  - Air-conditioning compressor
  23. 36  - Engine compartment temperature
  24. 37  - Oil-pressure sender with temperature sensor
  25. 38 - 40  - Engine/rear end connection point
  26. 41 - 42  - VTG adjuster
  27. 43  - Boost-pressure sensor
  1. Open the retaining clip -A-  on the engine and take out the exhaust temperature sensor line -28-  .
    Fig 2: Removing Exhaust Temperature Sensor Line
    G09831313Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  2. Release connectors from engine wire harness on the left side and pull them off.
    Fig 3: Disconnecting Connectors For Engine Wire Harness
    G09831314Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 2.1. Release and disconnect connectors -42, 24, 3, 2, 1, 19, 13, 9, 8, 7-  one after the other.
    2. 2.2. The plug connection -26-  is already disconnected when the intake system is removed.
  3. Unclip branch of line -C-  to speed sender from the holder.
    Fig 4: Unclipping Speed Sender Line
    G09831315Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Remove connector, ground strap for cylinder 1 - 3 and the cable duct.
    Fig 5: Removing Connector, Ground And Cable Duct
    G09831316Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 4.1. Release and disconnect connector -18-  .
    2. 4.2. Unscrew fastening screw -21-  for the ground connection.
    3. 4.3. Unclip cable duct -X1-  from the fuel gallery.
  5. Release connectors from engine wire harness on the right side and pull them off.
    Fig 6: Disconnecting Connectors For Engine Wire Harness
    G09831317Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 5.1. Release and disconnect connectors -41, 6, 5, 20, 14, 4, 12, 11, 10, 17, 30-  one after the other.
    2. 5.2. Unscrew fastening screw -22-  for the ground connection.
  6. Unclip wire harness at two places on the oil-fill pipe holder and at one place on the intake pipe.
    Fig 7: Unclipping Wire Harness Of Oil-Fill Pipe Holder
    G09831318Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  7. Unclip wire harness at two places on the fuel gallery 4 - 6.
    Fig 8: Unclipping Wire Harness
    G09831319Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 7.1. The line on the intake pipe is already unclipped when the intake pipe is removed.
  8. Unclip cable duct -X2-  from the fuel gallery.
    Fig 9: Unclipping Cable Duct
    G09831320Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  9. Unscrew fastening screw on cable duct, then release and disconnect connectors.
    Fig 10: Removing Fastening Screw On Cable Duct And Connectors
    G09831321Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 9.1. Release and disconnect connectors -34, 32, 33-  one after the other.
    2. 9.2. The plug connection for the air-conditioning compressor -35-  is already disconnected when the air-conditioning compressor is removed.
    3. 9.3. Unscrew fastening screw -Z-  for the cable duct.
    4. 9.4. Fastening nut for B+ line on the generator -23-  is already removed when the generator is removed.
  10. Unscrew fastening screw -B-  for the water pump and lift the water pump to the side.
    Fig 11: Loosening Water Pump And Connector For Knock Sensor
    G09831322Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 10.1. Release and disconnect connector for the knock sensor -16-  .
  11. Unscrew fastening screw for cable duct (near the heat exchanger), then release and disconnect the connectors.
    Fig 12: Removing Fastening Screw For Cable Duct And Connectors
    G09831323Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 11.1. Unscrew fastening screw -Z-  for the cable duct.
    2. 11.2. Release and disconnect connectors -37, 15-  one after the other.
    3. 11.3. The plug connection -36-  for the engine compartment sensor is already disconnected when the air-conditioning compressor is removed.
  12. Unclip line for exhaust temperature sensor from the cable duct for the engine wire harness.
    Fig 13: Unclipping Line For Temperature Sensor
    G09831324Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  13. Pull engine wire harness to the right out of the engine and remove it.
    Fig 14: Removing Wire Harness From Engine
    G09831325Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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