Removing Intake-Air Distributor

Remove intake-air distributor for naturally aspirated engines .
1. 1.1. Disconnect cable plug on pressure sensor for intake-air distributor. For details, see → 248019 REMOVING AND INSTALLING PRESSURE SENSOR
2. 1.2. Loosen connections on the intake-air distributor.
  
  Fig 1: Identifying Intake-Air Distributor Connections (Front)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  1. 1.2.1. Disconnect cable plug for heat socket.
  2. 1.2.2. Disconnect positive crankcase ventilation connection on heat socket.
  3. 1.2.3. Disconnect cable plug for throttle housing and remove it from the sheetmetal clip.
  4. 1.2.4. Disconnect cable connection for tank vent line on the intake-air distributor.
3. 1.3. Unclip rear tank vent line at the wiring harness -arrow- . Loosen front tank vent line at the holder. This will allow easy access to the intake-air distributor fastening screws underneath.
  
  Fig 2: Locating Tank Vent Line For Tank Vent Valve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. 1.4. Loosen screws on the intake-air distributor. Illustration shows tightening sequence → see Fig 3.
  
  Fig 3: Intake-Air Distributor Tightening Sequence
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. 1.5. Carefully lift the rear intake-air distributor at the shift gate and pull off the vacuum line under the control valve -1- (difficult to reach, use a mirror). Disconnect cable plug for control valve. -2-
  
  Fig 4: Identifying Control Valve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. 1.6. Lift off intake-air distributor.
7. 1.7. Cover intake ducts on the cylinder head to prevent dirt from getting in (using strips of adhesive tape).
Remove intake-air distributor for turbo engines in the same way as for naturally aspirated engines. -1, 2, 3 and 4-

Fig 5: Identifying Intake Module Connections On Turbo Engine
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 2.1. Disconnect cable plug on pressure sensor for intake-air distributor. For details, see → 248019 REMOVING AND INSTALLING PRESSURE SENSOR
2. 2.2. Unclip rear tank vent line at the wiring harness -arrow- . Loosen front tank vent line at the holder. This will allow easy access to the intake-air distributor fastening screws underneath.
  
  Fig 6: Locating Tank Vent Line For Tank Vent Valve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 2.3. Loosen screws on the intake-air distributor. Illustration shows tightening sequence → see Fig 7.
  
  Fig 7: Intake-Air Distributor Tightening Sequence
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. 2.4. Pull off vacuum line. -vacuum line-
  
  Fig 8: Identifying Vacuum Line
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. 2.5. Lift off intake-air distributor.
6. 2.6. Cover intake ducts on the cylinder head to prevent dirt from getting in (using strips of adhesive tape).