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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 247319 Removing And Installing Oxygen Sensors (LS) Behind Catalytic Converter (Except Turbo Coupe, Turbo S Coupe, Turbo CABRIO & Turbo S CABRIO) >> Preliminary Work

Preliminary Work

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove air cleaner housing.

    → 242519 REMOVING AND INSTALLING AIR CLEANER HOUSING .

  2. Open oxygen sensor connectors in engine compartment.

    The sensor connectors and cables are of different colors.

    Sensor Cable color Connector
    LSU broadband oxygen sensor ahead of catalytic converter Blue Black
    LSF narrow-band oxygen sensor behind catalytic converter Black Grey
    1. 2.1. Open connector on left; to do so pull the two connectors out of the holder and then release them.

      Unclip cable -arrow-  .

      Fig 1: Locating Oxygen Sensor Plug Connections On Side 1-3
      G09828985Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 2.2. Open connector on right; to do so pull the two connectors out of the holder and then release them.

      Unclip cable -arrows-  .

      Fig 2: Locating Oxygen Sensor Plug Connections On Side 4-6
      G09828986Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Remove rear wheel. Use special tool Socket-wrench insert P300. 

    → 44051900 REMOVING AND INSTALLING WHEEL .

    WARNING: Danger of objects or loads falling down
    • Risk of squashing or crushing

    → Secure components to prevent them from falling down.

  4. Support engine with transmission and unit jack Junior Jack 2.0 WE 1223  and GA passenger car transmission plate WE 1224  at the oil pan.
    1. 4.1. When positioning pay attention to the oil level sensor.
  5. Unscrew two M12 special nuts (inner Torx, screw insert T55) -1-  at the engine mounting (hydraulic mount) on the left and right.
    Fig 3: Identifying Engine Mounting Carrier Nuts On Side 4-6
    G09828987Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Information 

    • When lowering, the engine must not rest on the rear axle cross member. 
  6. Carefully lower engine using the transmission jack.