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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (10 Engine - Crankcase, Suspension 3.0L (Eng Code MDK.KA) -- 992 - 911 CARRERA (992)) >> WM, 100109 Lowering And Securing The Engine >> Securing Motor >> Securing Engine In Installation Position

Securing Engine In Installation Position

WARNING: This page is about a different variant/trim than selected.
WARNING: Danger of objects or loads falling down
  • Risk of squashing or crushing

    → Secure components to prevent them from falling down.

  1. If used: > 9959 - Lowering tool  must be removed.
  2. Raise the engine to installation position.
  3. Secure engine mount to the engine brackets with new screws -1-  .

    Check that the bores on the engine mount and engine bracket are aligned to prevent damage to the thread! 

    Fit screws via the grommets on the rear carrier at the engine brackets on both sides and tighten them.

    > Initial tightening 70 Nm (52 ftlb.)  → > Final tightening + 45° 

    G15485205Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screw securing engine mount to engine mount bracket

  4. Install rear axle carrier.

    420619 REMOVING AND INSTALLING REAR AXLE CARRIER - on "Installing"

    Fit and tighten new screws.

    Screw, M12 x 95: > Initial tightening 70 Nm (51.6 ftlb.)  → > Final tightening + 180° 

    Screw, M12 x 110: > Initial tightening 70 Nm (51.6 ftlb.)  → Final tightening + 180° 

    G15485206Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Rear axle carrier mounting

  5. Secure trailing arm -1-  on both sides to the wheel carrier using a new collar nut and a new screw -2-  .

    421119 REMOVING AND INSTALLING LOWER TRAILING ARM - on "Installing"

    Fit and tighten screw and collar nut -2-  .

    > Initial tightening 70 Nm (51.6 ftlb.)  → > Final tightening + 180° 

    G15485207Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for lower trailing arm

  6. Connect cable plug for engine wire harness and secure wire harness on the holder.
  7. Install cover -2-  on engine control unit.

    Fit and tighten nuts -1-  .

    > Tightening torque 9 Nm (6.5 ftlb.) 

    G15485208Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cover on engine control unit (DME)

  8. Clip fuel line and tank vent line into the holder and close the retaining clip.
  9. Connect coolant hoses at the left and right.
  10. Connect vacuum lines in the engine compartment at the right.
  11. Connect vent lines to the coolant reservoir.
  12. Route wire harnesses in the engine compartment and connect all cable plugs.
    • Oxygen sensors
    • Exhaust flap actuator
    • Exhaust temperature sensors
  13. Secure differential pressure sensor -1-  at the left and right in the engine compartment.

    Fit differential pressure sensor at the holders and clip it in -Arrows-  .

    G15485209Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Differential pressure sensor in engine compartment

  14. Secure oil filler hose to the oil filler neck with a spring band clamp.
  15. If the engine was lowered by 90-100 mm: 

    Connect intake manifold -1-  and lower moulded hose (on pressure side) -4-  to the intake air line and turbocharger.

    1. 15.1.1  Tighten new V-band clamp -2-  on the intake manifold.

      > Tightening torque 5.5 Nm (4 ftlb.) +/- 0.2 Nm (0.1 ftlb.) 

    2. 15.1.2 Right side only:  Connect vent line -3-  .
    3. 15.1.3  Tighten screw-type clamp -5-  on the moulded hose.

      > Tightening torque 5.5 Nm (4 ftlb.) +/- 0.2 Nm (0.1 ftlb.) 

      G15485210Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Intake manifold and lower moulded hose on turbocharger

      Secure holder -1-  for hydraulic lines on both sides.

    1. 15.2.1  Fit and tighten screws -2-  .

      > Tightening torque 10 Nm (7.5 ftlb.) 

      G15485211Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Holder for hydraulic lines (picture shows right side)

      Connect air-conditioning lines -1 and 2-  with new screws and seals in the engine compartment.

      874319 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR - CONDENSER REFRIGERANT LINE (SECTION FROM AIR-CONDITIONING COMPRESSOR TO ENGINE COMPARTMENT CONNECTION POINT) - on "Installing"

      Tighten screws -3 and 4-  and counter at the same time using > 9822 - assembly tool  (-Arrows-  ). > Tightening torque 14 Nm (10.3 ftlb.)   → >

      G15485212Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Air-conditioning line connections in engine compartment

      Add refrigerant for air conditioning system.

      870317 DRAINING AND FILLING REFRIGERANT R1234YF - on "Filling"

      870317 DRAINING AND FILLING REFRIGERANT R134A - on "Filling"

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