Preliminary Work

Information 

Specifications for wrench sizes (a/f specifications) for screw heads are described as follows:

• Torx screws: (E..) for external Torx, (T..) for internal Torx. 
• Hexagon-head bolts (internal and external hexagon): Wrench size (a/f) 

1. Disconnect ground strap on the battery.
2. Remove air cleaner housing.

   → 242519 REMOVING AND INSTALLING AIR CLEANER HOUSING   .

   WARNING: Danger of objects or loads falling down

   • Risk of squashing or crushing

   → Secure components to prevent them from falling down.

   Information 

   • It may only be supported over a large area at the oil pan. 
   • Localized loading is not permitted. 
3. Support the engine at the oil pan using hydraulic garage jack H 2 SL WE 1032  and transmission jack plate of transmission jack VAG. 1383 A WE 1082. 
   1. 3.1. Loosen two special M12 nuts (internal Torx, screw insert T55) -1-  on the engine mounting (hydraulic mount) at the left and right until the engine can be lowered by about 30 mm.
      Fig 1: Identifying Engine Carrier To Engine Mounting (Cylinder Bank 4-6)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Information 

   • When lowering, the engine must not rest on the rear axle cross member. 
4. Slowly lower the engine by about 30 mm (measured at the engine carrier) using the jack.
   1. 4.1. Place a flat piece of wood on rear axle carrier if necessary. 
5. Disconnect connectors and loosen M6 hexagon nut on throttle housing.
   1. 5.1. Remove M6 hexagon nut -1-  from throttle housing support.
   2. 5.2. Disconnect electronic throttle cable plug -3-  and unclip -Arrow-  , Detach rapid action couplings at tank vent -2-  and crankcase ventilation -4-  .
      Fig 2: Locating Throttle Housing Connections

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   3. 5.3. Detach positive crankcase ventilation line -1-  and cable -2-  for throttle connector and unclip -Arrows-  .
      Fig 3: Locating Positive Crankcase Ventilation Line And Throttle Connector Cable

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Remove oil filler neck support -1-  and tank vent.
   1. 6.1. Release and disconnect cable plug -3-  , Detach tank vent at clip -Arrow-  .
   2. 6.2. Detach rapid-action coupling of tank vent line and set line aside.
   3. 6.3. Unscrew four M6 x 12 outer Torx screws (E10) -2-  and remove support.
      Fig 4: Locating Oil Filler Neck Support And Tank Vent

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Remove top part of oil filler neck (plastic) -3-  .
   1. 7.1. Disconnect crankcase vent line -2-  .
   2. 7.2. Unscrew four M6 x 16 external Torx screws (E10, micro-encapsulated) -4-  , remove oil filler neck.
   3. 7.3. Replace sealing ring and screws.
      Fig 5: Identifying Oil Filler Neck

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Remove the throttle housing.

   → 244219 REMOVING AND INSTALLING THROTTLE HOUSING   .

   1. 8.1. Replace sealing ring.