Removing Oil Separator

Information 

Cover engine openings (intake openings, crankcase, oil lines, open reservoirs) with a cloth or adhesive tape to prevent dirt and foreign bodies from falling into the openings.

Information 

• Following removal, place the air conditioning compressor on a suitable protective support (e.g. foam, neoprene). 

Information 

• The air-conditioning lines on the compressor do not need to be disconnected in order to remove the engine/transmission unit. 
• Following removal, place the air conditioning compressor on a suitable protective support (e.g. foam, neoprene). 

1. Detach air conditioning compressor without disconnecting the air conditioning lines → WM 873419 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR - detaching.
2. Disconnect ground plug connection from intake-air distributor bank 4-6 -arrow-  .
   Fig 1: Locating Air Conditioning Compressor Ground Line

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3. Pull the engine compartment temperature sensor out of the intake-air distributor 4-6 together with the rubber sleeve -1-  and unscrew the rear fastening screws -2-  of the air-conditioning compressor.
   Fig 2: Identifying Air Conditioning Compressor Rear Fastening

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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.
   Fig 3: Locating Air Conditioning Compressor Front Fastening Screw

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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.
6. Remove distributor pipe. To do this, remove the fastening nut M6 of the throttle housing from the rubber mount of the power-steering pump -2-  .
   Fig 4: Locating Throttle Body

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7. Release cable plug on throttle housing, and pull out and release cable -1-  .
8. Release positive crankcase ventilation pipe connection from distributor pipe and remove -3-  .
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.
   Fig 5: Locating Distributor Pipe

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10. Release tuning pipe. To do this, mark the installation position of the tuning pipe and loosen screw-type hose clamps -arrows-  .
    Fig 6: Locating Tuning Pipe Clamps

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11. Remove both side fastening screws -arrows-  .
    Fig 7: Locating Oil Mist Separator Mounting

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12. Carefully turn the oil separator and pull it out of the bore. Check sealing rings and replace if necessary -arrow-  .
    Fig 8: Locating Oil Mist Separator Sealing Rings

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13. Remove connections to the oil separator. For this purpose, place a cloth underneath as coolant emerges from the bottom vent line. Turn the connections and pull off -arrows-  . Remove oil separator from the engine compartment.
    Fig 9: Locating Oil Mist Separator Connections

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