Removing the upper oil sump section

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVING REAR HOOD SEAL .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE CENTER COWL UPPER PART .
• Refer to REMOVING THE TOP LEFT COVER IN THE ENGINE COMPARTMENT , and REMOVING THE TOP RIGHT COVER IN THE ENGINE COMPARTMENT .
• Refer to REMOVING SEAL FOR FRONT BONNET .
• Refer to REMOVING THE STRUT BRACE AT THE LEFT AND RIGHT
• Refer to REMOVING UPPER CROSS CONNECTION .
• Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING SUSPENSION STRUT BRACE .
• Refer to REMOVING RIGHT SUSPENSION STRUT BRACE .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
• Refer to REMOVING FAN COWL .
• Refer to RELEASING THE OIL DRAIN PLUG .
• Refer to REMOVING THE OIL FILTER ELEMENT .
• Refer to TIGHTENING THE OIL DRAIN PLUG .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE STIFFENING PLATE .
• Refer to REMOVING THE FRONT LEFT AND RIGHT WHEEL .
• Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY ON THE LEFT AND RIGHT .
• Refer to PARTIALLY REMOVING THE FRONT LEFT AND RIGHT WHEEL ARCH TRIM (DOOR SILL) .
• Refer to REMOVING THE REAR SECTION OF THE WHEEL ARCH COVER ON THE FRONT LEFT AND RIGHT .
• Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to PARTIALLY RELEASING THE RIGHT CHARGE AIR LINE .
• Refer to REMOVING RIGHT CLEAN AIR PIPE .
• Refer to REMOVING RIGHT CHARGE AIR COOLER .
• Refer to RELEASING THE FRONT SPRING STRUT (AIR SUSPENSION) .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to BRINGING THE COMBUSTION ENGINE TO INSTALLATION POSITION (INTAKE FILTER HOUSING REMOVED) .
• Refer to REMOVING STIFFENING STRUT .
• Refer to REMOVING FRONT WHEEL ARCH COVER AT THE BOTTOM LEFT AND RIGHT .
• Refer to REMOVING CRASH LEVERS LEFT AND RIGHT .
• Refer to REMOVING LEFT AND RIGHT BRAKE VENTILATION DUCT .
• Refer to IF INSTALLED: REMOVING THE AUXILIARY HEATER .
• Refer to REMOVING THE EPS WIRING HARNESS .
• Refer to RELEASING THE WIRING HARNESS FROM THE ACTIVE STABILIZER .
• Refer to RELEASING UNIVERSAL JOINT ON STEERING GEAR .
• Refer to RELEASING THE LEFT AND RIGHT OUTPUT SHAFT FROM THE WHEEL BEARING .
• Refer to DETACHING THE TOP LEFT AND RIGHT WISHBONE FROM THE SWIVEL BEARING .
• Fastening the swivel bearing on the left and right.
  NOTE: Perform the steps on the left and right side.

  Secure the swivel bearing

  • Fasten the swivel bearing (1) by using the special tool 2 413 317  to protect it from tilting outwards.

    Swivel bearing (1) must not hang down from the brake hose.

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• Refer to DISCONNECTING THE CONNECTOR FROM VERTICAL ACCELERATION SENSOR ON THE LEFT AND RIGHT .
• Refer to DISCONNECTING THE PLUG CONNECTIONS ON THE LEFT AND THE RIGHT
• Refer to LOOSENING AND TYING UP BRAKE CALIPER, LEFT AND RIGHT .
• Removing the spring strut holder.
  NOTE: Perform the steps on the left and right side.
  • Loosen nut (1).
  • Punch in the swivel bearing (2) at the front towards the inner.
  • Pull out screw (3).

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    Marking the installation position of the spring strut holder 

    NOTE: TECHNICAL INFORMATION 
    Different variants may be installed depending on the vehicle equipment.
    • Version A: 

      Mark the installation position of the spring strut holder (1) for the spring strut (2) before the removal.

      To do this, it is mandatory  to make a color marking (3) in the extension of the edge (4).

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    • Version B: 

      Mark the installation position of the spring strut holder (1) for the spring strut (2) before the removal.

      To do this, it is mandatory  to make a color marking (3) in the extension of the edge (4).

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  • Release the screw (1) from the spring strut holder (2).

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  • Position the special tool 0 494 541 (31 2 230) as shown and spread the spring strut holder (1).

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    NOTE: RISK OF DAMAGE 
    Failure to comply with the specification. Component damage.
    All specifications must be observed and complied with.
  • Protecting the output shaft from damage with a towel is mandatory  (1).
  • Release swivel bearing (2) from the attachment on the upper wishbone.
  • Guide out and remove spring strut holder (3) downwards in the arrow direction.

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  Secure the swivel bearing 

  • Fasten the swivel bearing (1) by using the special tool 2 413 317 to protect it from tilting outwards.

    Swivel bearing (1) must not hang down from the brake hose.

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• Removing left and right output shaft.
  NOTE: Description is for left component only. Procedure on the right side is identical.
  • Position the aluminum drift (1) on the output shaft (2).
  • Knock out the output shaft (2) from the front axle transmission with an aluminum mandrel (1).

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  NOTE: Conduct the following operation with the assistance of a second person.
  • Release swivel bearing (1) from the special tool 2 413 317 on the upper control arm. Swivel bearing (1) must not hang down from the brake hose.

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  • Guide out and remove driven shaft (1) in arrow direction.

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  • Fasten swivel bearing (1) with the special tool 2 413 317 to protect it from tilting outwards.

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• Refer to RELEASING THE BRACKET OF THE TRANSMISSION OIL COOLING .
• Refer to DISCONNECTING THE COOLANT HOSE FROM THE FRONT SUBFRAME .
• Refer to PREPARING THE MOBILE TABLE LIFT .
• Refer to POSITION THE MOBILE TABLE LIFT .
• Refer to LOOSENING THE SWIVEL BEARING ON THE LEFT AND RIGHT .
• Refer to UNSCREWING THE BOLTS ON THE FRONT AXLE SUPPORT .
• Refer to REMOVING FRONT AXLE .
• Refer to REMOVING GUIDE TUBE FOR OIL DIPSTICK .
• Refer to RELEASING AIR CONDITIONING COMPRESSOR .
• Refer to RELEASING THE FRONT PROP SHAFT FROM THE FRONT AXLE TRANSMISSION .
• Refer to REMOVING THE RIGHT ENGINE MOUNT , and REMOVING THE LEFT ENGINE MOUNT
• Refer to REMOVING FRONT AXLE DIFFERENTIAL .
• Refer to REMOVING LOWER OIL PAN SECTION 
• Refer to REMOVING OIL PUMP .

Screw connection of upper oil sump section 

Fig 1: Upper Oil Sump Section Screws Loosening Sequence

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• Remove rubber plug (1)  .

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• Unscrew the transmission bolts (1)  .

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• Unlock plug connection (1)  and disconnect.
• Unlock plug connection (2)  and disconnect.
• Release, feed out and remove the oil pressure sensor (3)  .
• Loosen the clamp (arrow).

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• Release the cable (1)  from the clamp (2)  .

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• Loosen screw (25)  to (3)  .

Fig 2: Upper Oil Sump Section Screws Loosening Sequence

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• Support the oil pan using special tools 2 219 012 and 0 495 498 (23 4 050) .

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• Loosen screws (1)  and (2)  .
• Guide out and remove upper oil sump section (3)  with the help of an support person.

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