Porshe 911 (997). Manual - part 22

10 55 19 Removing and installing oil separator - as of
MY 2005

- Preliminary work
- Removing oil separator
- Installing oil separator
- Subsequent work

Tools

Designation

Type

Number

Explanation

3/8" extension, 16°
movable

commercially
available tool

NR.15

Preliminary work

Preliminary work for removing oil separator

1. Remove air cleaner housing → 242519 Removing and installing air cleaner housing - chapter on

"removing".

Removing oil separator

Removing oil separator

Note

Cover engine openings (e.g. intake openings, crankcase, oil lines, open reservoirs etc.) cover with a cloth to
avoid dirt and foreign bodies falling in.

245

Note

After removal, place the air-conditioning compressor on a suitable protective support (e.g. foam,
neoprene, etc.).

• 

Note

The air-conditioning lines on the compressor do not have to be disconnected in order to remove
engine/transmission unit.

1. Detach air-conditioning compressor without disconnecting the air-conditioning lines → 873409

11 Detaching and fastening compressor - detaching.

Air-conditioning compressor ground line

2. Disconnect ground connector from intake distributor side 4-6

-arrow-

 .

Rear fastening of the air-conditioning compressor

3. Pull the engine compartment temperature sensor out of the intake distributor 4-6 together with the rubber

sleeve -1- and unscrew the rear fastening screws -2- of the air-conditioning compressor.

Diagnostic system: reading out fault memory and activating systems

Removing oil separator

246

Front fastening screw of the air-conditioning compressor

4. Unscrew the front fastening screw -arrow- of the air-conditioning compressor. Due to the restricted

accessibility, the use of a 3/8" extension, 16° movable NR.15 with a long Torx E10 socket wrench is
recommended. To lift out the air-conditioning compressor, the screw must be pulled upwards and held in
position.

5. Lift out the air-conditioning compressor with the leads connected and lay to one side on a protective

support. Secure additionally with a tie-wrap.

Throttle body

6. Remove distributor pipe. To do this, remove the fastening nut M6 of the throttle body from the

rubber mount of the servo pump -2- .

7. Release cable plug on throttle body, and pull out and release cable -1- .

8. Release crankcase venting pipe connection from distributor pipe and remove -3- .

Distributor pipe

9. Loosen the four screw-type hose clamps on the rubber sleeves to the side intake distributors and

push the rubber sleeves onto the distributor pipe. Remove distributor pipe together with mounted
throttle body. Remove distributor pipe from the engine compartment.

Diagnostic system: reading out fault memory and activating systems

Removing oil separator

247

Tuning pipe

10. Release tuning pipe. To do this, mark the installation position of the tuning pipe and loosen screw-type

hose clamps -arrows- .

Mounting of oil mist separator

11. Remove both side fastening screws -arrows- .

Oil mist separator sealing rings

12. Carefully turn the oil separator and pull it out of the bore. Check sealing rings and replace if necessary

-arrow-

 .

Oil mist separator connections

Diagnostic system: reading out fault memory and activating systems

Removing oil separator

248