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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 150520 Removing And Installing Camshafts On V6 DFI Engines (Cayenne Tip, Cayenne Man) >> Preliminary Work

Preliminary Work

  1. Partly remove the engine wire harness. → WM 975219 Removing and installing wire harness for engine
  2. Remove bar ignition modules. → Removing bar ignition modules
  3. Remove intake-air distributor. → Removing intake-air distributor
  4. Remove drive belt. → Removing and installing drive belt
  5. Remove belt tensioner. → Removing belt tensioner

    Pfeile  - Cheese head bolts on belt tensioner

    Fig 1: Locating Belt Tensioner Bolts
    G09409171Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  6. Remove cylinder head cover (valve cover). → Removing cylinder head cover 
  7. Remove upper  timing-case cover. → Removing upper timing-case cover 
  8. Set cylinder 1 to compression TDC. → Subsequent work 
  9. Remove the timing chain from the camshaft controllers and put it to one side. → Removing camshaft controller 
  10. Remove camshaft controllers. → Removing camshaft controller 
  11. Remove timing chain housing.
    Fig 2: Removing Timing Chain Housing
    G09409172Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. Cheese head bolt
    2. Timing chain housing
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