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Home >> Porsche >> 2008 >> Cayenne Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 15 - Engine - Cylinder Head, Valve Control >> WM 150516 Setting Camshaft Timing On 4.8-Litre DFI Engines (Except CAYEENE Tip, Cayenne Man, Cayenne S Tip, Cayenne Diesel) >> Tools and materials >> Special Tools

Special Tools

Fig 1: Adjusting Tool For Setting Timing
G09409251Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  1. Both staking tools for the camshafts are required in pairs for adjusting the camshafts. Staking tool 9678/1.  The tools must be used in mirror image for both cylinder heads.
  2. The staking pin locating pins 9595/1  is used for the staking bore between the vibration balancer and timing-case cover for setting the TDC.
  3. The assembly chain tensioner auxiliary chain tensioner 9683/1  is required in the V8 engine for setting the timing precisely because of the tolerances of the long timing chain. It is not suitable for the 4.5-litre engine. Lubricate the connection with a few drops of commercially available pneumatic oil (to prevent the inner piston from seizing). Operating pressure: 5.0 to 5.5 bar.
  4. Compressed air hose on the auxiliary chain tensioner 9683/1 
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