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Home >> Porsche >> 2012 >> Panamera 4 >> Repair and Diagnosis >> Accessories & Equipment >> Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.) >> 97 - Cables -- PANAMERA(970) >> WM 970909 Loosening And Securing Main Wire Harness In Engine Compartment (Except PANAMERA S Executive, PANAMERA Executive, PANAMERA Turbo Executive, PANAMERA GTS) >> Loosening Main Wire Harness In Engine Compartment >> Loosening Main Wire Harness In Left Wheel Housing

Loosening Main Wire Harness In Left Wheel Housing

  1. Disconnect wire harness for starter and cooling fan at the B+ connection in the engine compartment. → Removing Wire Harness From External Power Connection To Starter 
  2. Release and unplug electric plug connection for oxygen sensor upstream of catalytic converter. → REMOVING OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER
  3. Release and unplug electric plug connection for oxygen sensor downstream of catalytic converter. → REMOVING OXYGEN SENSOR DOWNSTREAM OF CATALYTIC CONVERTER
  4. Disconnect electric plug connection for front shock absorber (spring damper). → REMOVING FRONT SPRING STRUT
  5. Release and unplug electric plug connection for sensor for body (PASM).
  6. Release and unplug electric plug connection for electric fan for radiator.
  7. Release and unplug electric plug connection for coolant temperature sensor. → REMOVING COOLANT TEMPERATURE SENSOR
  8. Release and unplug electric plug connection for air-conditioning pressure switch. → REMOVING PRESSURE SWITCH
  9. Loosen fastening nut for ground point -1-  .
    Fig 1: Identifying Main Wire Harness Ground Point (Left)
    G09813962Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  10. Release and unplug electric plug connection (connection point for front-end wiring) for front-end wire harness. → Removing Wire Harness For Front-End 
  11. Release and unplug electric plug connection for airbag sensor on lock support. → REMOVING AIRBAG SENSOR
  12. Release and unplug electric plug connection for level sensor. → 431855 REPLACING FRONT LEVEL SENSOR
  13. Release and unplug electric plug connection for wire harness for front ABS. → Removing Wire Harness For Anti-Lock Brake System (ABS) 
  14. Release and unplug electric plug connection for Tyre Pressure Monitoring (TPM) transmitter (trigger). → WM 443619 REMOVING AND INSTALLING TRANSMITTER (TRIGGER) FOR TPM (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANA
  15. Release and unplug electric plug connection for auxiliary heating -1-  .
    Fig 2: Releasing Auxiliary Heating Connector
    G09813963Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  16. Release and unplug electric plug connection for circulating pump -1-  .
    Fig 3: Releasing Circulating Pump Connector
    G09813964Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  17. Release and unplug electric plug connection for clutch master cylinder. → REMOVING CLUTCH SWITCH INTERLOCK
  18. Release and unplug electric plug connection for Servotronic steering gear -1-  .
    Fig 4: Releasing Steering Gear Connector
    G09813965Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  19. Disconnect wire harness in engine compartment at the front left.
    1. 19.1. Loosen rubber sleeve -1-  for wire harness in engine compartment at the left.
    2. 19.2. Make sure that all electric plug connections on the wire harness in the engine compartment on the left are released and unplugged.
    3. 19.3. Make sure that all brackets are unclipped and released.
    4. 19.4. Pull wire harness in the engine compartment on the left through the bulkhead from the passenger compartment.

      → Loosening Main Wire Harness Under Dashboard 

      Fig 5: Disconnecting Wire Harness In Engine Compartment (Left)
      G09813966Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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