Installing front-axle carrier

→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

Information 

• All screws and threaded joints on the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels or the wheel suspension is raised with a universal vehicle lift. Dimension -1-  , from lower edge of wing to center of axle corresponds to vehicle position. The current height values can be found in 

→ 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT .

Pay particular attention to the following points!

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

• Screws and nuts are Geomet-coated and must not be greased  .

1. Installation is performed in reverse order. Check the following while doing this:
   • Screw in and tighten new fastening screws -1 and 4-  one after the other.

     Initial tightening 115 Nm (85 ft. lb.) Final tightening +90° 

   • Screw in and tighten new fastening screws -2 and 3-  one after the other.

     Initial tightening 115 Nm (85 ft. lb.) Final tightening +90° 

   • Screw in and tighten new fastening screws -5 and 8-  one after the other.

     Initial tightening 115 Nm (85 ft. lb.) Final tightening +90° 

   • Screw in and tighten new fastening screws -6 and 7-  one after the other.

     Initial tightening 115 Nm (85 ft. lb.) Final tightening +90° 

     Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   • Fastening screw securing engine mount to front-axle carrier -1-  : Tightening torque 55 Nm (41 ft. lb.)  .
   • Not for V6 biturbo engines:  Fastening screw securing retaining bracket for engine mount -4-  : Tightening torque 30 Nm (22 ft. lb.)  .

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2. Only for V6 biturbo engines:  Fit fastening screws -1, 2 and 3-  on the engine mount.
   1. 2.1. Tighten fastening screws -1-  . Tightening torque 30 Nm (22 ft. lb.) 
   2. 2.2. Tighten fastening screws -2-  . Tightening torque 30 Nm (22 ft. lb.) 
   3. 2.3. Tighten fastening screws -3-  . Tightening torque 30 Nm (22 ft. lb.) 
   Fig 1: Engine Mount Screws Tightening Sequence

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3. Support to lock carrier -1-  : Tightening torque 5 Nm (3.5 ft. lb.) 

   Support to front-axle carrier -2-  : Tightening torque 23 Nm (17 ft. lb.) 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

• Lower control arm to front-axle carrier: Tightening torque 140 Nm (104 ft. lb.) Final tightening +180°