Securing Timing-Case Cover Up To October 2008

Fig 1: Timing-Case Cover Tightening Sequence

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Screw, M6 x 25 → Tightening torque: 13 Nm (9.5 ft lbs.) 
2. Screw, M6 x 50; inner timing-case cover to upper part of crankcase and cylinder head → Tightening torque: 13 Nm (9.5 ft lbs.)  ; timing-case cover to cylinder head → Tightening torque: 13 Nm (9.5 ft lbs.) 
3. Screw, M8 x 50; timing-case cover (chain tensioner position) to upper part of crankcase and cylinder head → Tightening torque: 23 Nm (17 ft lbs.) 
4. The timing-case cover must be level with the lower part of the crankcase (use a steel rule or dial gauge)

Carry out further assembly work => 

1. 2.1. Route cable duct on the timing-case cover.
2. 2.2. Secure cable duct on the timing-case cover with the fastening screw -12- (-arrow-)  . → Tightening torque: 10 Nm (7.5 ft lbs.) 
3. 2.3. Fit guide tube with oil dipstick. → Installing guide tube for oil dipstick
4. 2.4. Secure oil dipstick with the fastening screw -11- (-arrow-).  → Tightening torque: 10 Nm (7.5 ft lbs.) 
   Fig 2: Securing Oil Dipstick Using Fastening Screw

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fig 4: Exploded View Of Belt Drive

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Deflection roller → Tightening torque: 32 Nm (24 ft lbs.) 
2. Hydraulic belt tensioner; tensioner to lever → Tightening torque: 32 Nm (24 ft lbs.);  tensioning roller to tensioning lever → Tightening torque: 32 Nm (24 ft lbs.) 
3. Screw, M8 x 96; complete lever to timing-case cover and cylinder head → Tightening torque: 32 Nm (24 ft lbs.);  belt tensioner and timing-case cover to bracket → Tightening torque: 32 Nm (24 ft lbs.) 
4. Deflection roller → Tightening torque: 32 Nm (24 ft lbs.) 
5. Dual poly V-belt