Preliminary Work - Cylinder Bank 1-3

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CAUTION: Ingress of dirt

Danger of material damage due to blocked oil bores/oil ducts.

→ Absolute cleanliness is essential when working on the engine.

→ Lay removed engine parts on a clean base and make sure to cover them.

→ Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.

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)

Drain engine oil.
→ 170155 CHANGING ENGINE OIL AND OIL FILTER .
Remove engine.
→ 100119 REMOVING AND INSTALLING ENGINE .
Remove transmission.
→ 343527 REMOVING AND MOUNTING TRANSMISSION .
Holder P201 and Engine Support 9667 must be secured to the engine/transmission flange using screw sleeves.

Fig 1: Identifying Engine Holder P201 With Engine Support 9667
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Secure the engine to the assembly support with an engine lift. Get another person to help you do this.
Remove front and rear silencers together (without exhaust manifold).
→ 263319 REMOVING AND INSTALLING REAR SILENCER - GT3 .

→ 262519 REMOVING AND INSTALLING FRONT SILENCER - GT3 .
1. 6.1. Screw off two hexagon nuts on each of the front silencer holders and loosen connecting clamp for the exhaust manifold.
2. 6.2. Loosen restraining straps by unscrewing two M8 cheese head bolts.
3. 6.3. Remove the entire exhaust system with the help of another person.
Remove the engine carrier and rear silencer holder.
→ 103019 REMOVING AND INSTALLING ENGINE CARRIER - GT3 .
Remove holder for front silencer at the sides.
1. 8.1. Unscrew two external Torx screws (E12, M8 x 20) on the exhaust manifold side.
2. 8.2. Unscrew one hexagon-head bolt (a/f 13, M8 x 16) on the top retaining brackets and remove the holder.
Remove heat shield -1- .
1. 9.1. Unscrew two external Torx screws (E10, M6 x 12) -2- .
  
  Fig 2: Identifying Heat Shield And Torx Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Disconnect cable plugs for bar ignition modules and hall sender and remove bar ignition modules.
1. 10.1. Pull off cable plugs for hall sender -1- and bar ignition modules -2- .
2. 10.2. Unscrew internal Torx screws (T30, M6 x 16) -3- on the bar ignition modules.
3. 10.3. Remove ignition coils.
4. 10.4. Unscrew external Torx screw (E10, M6 x 12) -arrow- for the vacuum line -4- .
5. 10.5. Unscrew external Torx screw (E10, M6 x 12) on the ground cable.
  
  Fig 3: Locating Cable Plugs And Ignition Coils On Camshaft-Housing Cover
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove vacuum line -1- for vacuum pump.
1. 11.1. Unscrew one external Torx screw (E10, M6 x 12) -2- on the engine/transmission flange.
  
  Fig 4: Identifying Vacuum Line Mounting On Engine/Transmission Flange
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 11.2. Pull off the vacuum hose. Unscrew two external Torx screws (E10), M6 x 16 -2- at the top and M6 x 10 at the bottom -3- , on the vacuum pump and pull off the line.
  
  Fig 5: Identifying Vacuum Line On Cylinder Bank 1-3
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove coolant regulator cover.
1. 12.1. Open screw-type clamps -2- on the coolant hoses -1- . Lift hoses slightly and spray connection pieces with anti-rust agent.
  
  Fig 6: Identifying Coolant Hoses And Clamps
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 12.2. Unscrew three cheese head bolts (hexagon socket a/f 5, M6 x 35) -2- on the cover -1- .
  Tool recommendation: 3/8-inch socket-wrench insert (long), hexagon socket a/f 5 with ball joint
  
  Fig 7: Identifying Coolant Regulator Housing Cover
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 12.3. Lift off cover and pull it out of the coolant hoses.
  Be careful with the coolant regulator.
4. 12.4. Replace O-rings.
Remove top cover on the camshaft housing -1- .

Fig 8: Identifying Camshaft-Housing Cover And Vacuum Pump
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 13.1. Unscrew three external Torx screws (E10, M6 x 20) and pull off the cover.
2. 13.2. Replace O-ring.
Information
- Only unscrew and screw in the specified screws for removing and installing the vacuum pump.
- The vacuum pump must not be disassembled.
Remove vacuum pump.
1. 14.1. Unscrew two external Torx screws (E10) M6 x 25 -1- and two M6 x 30 screws -2- .
  
  Fig 9: Identifying Screws For Vacuum Pump On Cylinder Bank 4-6
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 14.2. Pull off oil return pipe for the oil suction pump -arrow- .
3. 14.3. Pull off vacuum pump.
4. 14.4. Replace all O-rings.
Unclip cable plug -1- for pulse sender from the holder -2- .
1. 15.1. Pull plug connection from the holder and unclip cable at the holder -arrow- .
  
  Fig 10: Identifying Plug Connection For Pulse Sender
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.