Engine Oil Filler / Breather Cap: Service and Repair

Removing and installing oil filler neck





Preliminary Work

1. Raise the vehicle.
2. Remove air cleaner housing.
3. Remove resonance tube.

Component information





Overview of oil filler neck

1 - Oil filler neck
2 - External Torx screws on crankcase (M6 x 20)
3 - Sealing ring
4 - External Torx screws on top holder (M6 x 12)
5 - Holder, top

Removing oil filler neck

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)





Screws for oil filler neck on crankcase

1. Unscrew two external Torx screws (E10, M6 x 20) from the oil filler neck -1- on the crankcase.





Removing oil filler neck

2. Remove holder at the top.
2.1. Pull off vent line at the crankcase -3-.
2.2. Unscrew two external Torx screws (E10, M6 x 12) -2-.
3. Pull oil filler neck out of the crankcase.
3.1. Replace O-ring.

Installing oil filler neck

1. Grease and fit new O-ring with "Kluber Syntheso Glep" grease (Porsche Part No. 000.043.204.68).
2. Install oil filler neck in the crankcase.
3. Fit and tighten two external Torx screws (E10, M6 x 20) for the oil filler neck on the crankcase -1-.





Screws for oil filler neck on crankcase

- Tightening torque: 13 Nm (9.5 ftlb.)

4. Connect crankcase ventilation line -3-.





Oil filler neck

5. Secure oil filler neck on the holder at the top.
5.1. Fit and tighten two external Torx screws (E10, M6 x 12) -2-.

- Tightening torque: 13 Nm (9.5 ftlb.)

Subsequent Work

1. Install air cleaner housing.
2. Install resonance tube.