Removing Timing-Case Cover

→ Always reseal the oil pan when removing the timing-case cover.

1. Remove belt tensioner and deflection rollers on the timing-case cover. To do this, lever off the cover and loosen the screws.
   Fig 1: Exploded View Of Belt Drive

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. Deflection roller
   2. Hydraulic belt tensioner; tensioner at the lever, tensioning roller at the tensioning lever
   3. M8 screw; complete lever on timing-case cover and cylinder head; belt tensioner and timing-case cover at the console
   4. Deflection roller
   5. Dual poly V-belt
2. Unclip vacuum lines at the cable duct -arrows-  .
   Fig 2: Disconnecting Vacuum Lines From Cable Duct

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Release cable duct at the front right.
   1. 3.1. Unscrew fastening screw on oil dipstick -11- (-arrow-)  .
   2. 3.2. Unscrew fastening screw -12-  on the cable duct -arrow-  .
      Fig 3: Removing Cable Duct From Front Right

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Remove guide tube with oil dipstick. → Removing guide tube for oil dipstick
5. Remove chain tensioner. → Removing chain tensioner 
6. Remove timing-case cover. To do this, loosen all screws in reverse order.
   Fig 4: Identifying Timing-Case Cover Tightening Sequence

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. M6 screw
   2. M6 screw; inner timing-case cover to upper part of crankcase and cylinder head; timing-case cover to cylinder head
   3. M8 screw; timing-case cover (chain tensioner position) to upper part of crankcase and cylinder head
   4. The timing-case cover must be level with the lower part of the crankcase (use a steel rule or dial gauge)
7. Carefully remove timing-case cover. Lever off gently if necessary (bonded with sealant).