Installing Oil Cooler

Information 

• Aluminium screws must always be replaced.
• Aluminium screws must be secured using the yield-strength procedure.
• To ensure that the screws are tightened uniformly, the specified tightening setting "light, medium or hard" must be used.
• The threshold torque (initial tightening) must be set on the >9768 - electronic torque wrench from 2 - 100 Nm (1.5 - 74 ftlb.)  when tightening using the yield-strength procedure.

1. Installation is performed in reverse order. Pay particular attention to the following:
   1. 1.1 Clean sealing faces.
   2. 1.2 Replace moulded seal and coat with a light coating of Kluber Syntheso Glep.
   3. 1.3 Check that the moulded seal is seated correctly.
   4. 1.4 Replace screws securing oil cooler to transmission.
   5. 1.5 Tighten new  screws securing oil cooler to transmission -1 to 12-  .

      Screws -1 to 4-  : >Initial tightening 3.3 Nm 

      Screws -5 to 9-  : >Initial tightening 3.3 Nm 

      Screws -1 to 9- > Final tightening 45° 

      Screws -10 to 12- > Initial tightening 4.5 Nm 

      Screws -10 to 12- > Final tightening 90° 

Fig 1: Oil Cooler Screws Tightening Sequence

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for oil cooler