Installing Vibration Damper

Information 

• Replace screws for vibration damper. 
• The screw thread and crankshaft flange thread must not be greased. 
• Clean the thread on the crankshaft flange to remove grease. 

1. Position vibration damper on the crankshaft flange. Check the position of the dowel pin.
2. Fit six new external Torx screws (M8 x 1 x 25) and tighten uniformly in diagonally opposite sequence.
3. Fit drive belt.

   → 137819 REMOVING AND INSTALLING DRIVE BELT .

4. Fix vibration damper -1-  in place with one of the locating pins 9595/1 -4-  .
   1. 4.1. Pre-tighten screws uniformly in diagonally opposite sequence according to tightening specifications.

      → Initial tightening: 10 Nm (7.5 ftlb.) 

   2. 4.2. Final tightening using special tool electronic torque wrench, 2-100 Nm/1.5-74 ftlb.) 9768  .

      → Torque angle: 90°+/-5° 

      Fig 1: Fixing Vibration Damper In Place

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.