11 13 000 Removing and fitting, sealing or replacing the oil sump (B48B)

Special tools required: 

• 11 4 470 
• 11 8 780 

Necessary preliminary work: 

• Disconnect NEGATIVE BATTERY LEAD
• Lower FRONT AXLE SUPPORT
• Remove BOTTOM ACOUSTIC COVER 
• Remove STARTER MOTOR
• Drain off ENGINE OIL 

Attention! 

Engines with surface sealant:

Application time of sealing bead max. 12 minutes.

Removal: 

Unlock and disconnect the connector (1).

Release cable from oil sump at clips (2).

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Vehicle with manual gearbox: 

Release screws (1) from transmission.

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Vehicles with automatic transmission: 

Release screws (1) from transmission.

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Release screws (1 - 7) from oil sump.

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Release screws (1 - 7) from oil sump.

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Release screws (1 - 3) from oil sump.

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Release screws (1 and 2) from oil sump.

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Engine with liquid sealing compound: 

Attention! 

The oil sump can only be released in the areas where an aperture is located in the oil sump.

Release oil sump using screwdriver (1).

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Remove oil sump (1) downwards to the rear.

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Preparation for installation: 

Clean sealing residues from oil sump and crankcase.

Clean sealing surface (1) with special tool 11 4 470  .

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Clean sealing surface (1) with special tool 11 4 470  .

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Apply SEALING COMPOUND 2.2  in this area (1).

Make sure that the sealing bead runs along the inner edge.

The oil return orifice must be rounded completely.

Sealant height approximately 2 to 2.5 mm.

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Installation: 

Position special tool 11 8 780  with screws (1) of transmission so that oil sump aligns exactly with engine block.

If necessary, replace fitting sleeves.

Attaching the oil sump.

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Attention! 

Installing screws with an incorrect screw length may cause damage to the component.

Observe exact screw lengths.

Reinstall screws corresponding to the original screw length.

The oil sump may be damaged when using the incorrect screw length!

Ensure that the correct  screw (2) (M8x40) is used for mounting the oil sump on the transmission.

The screw (1) (mounting bolt of the starter motor) may never  be used for mounting the oil sump.

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Install oil sump (1) to front and upwards.

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Insert screws (1 and 2).

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Insert screws (1 - 7).

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Insert screws (1 - 7).

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Insert screws (1 - 3).

Tighten down all screws on oil sump.

Tightening torque 11 13 2AZ .

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Vehicles with automatic transmission: 

Tighten screws (1) on transmission.

Tightening torque 24 00 1AZ .

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Vehicle with manual gearbox: 

Tighten screws (1) on transmission.

Tightening torque 23 00 1AZ .

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Fasten cable to oil sump with clips (2).

Connect the connector (1).

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Required reworking: 

• Install STARTER .
• Install LOWER ACOUSTIC COVER .
• Fasten FRONT AXLE SUPPORT .
• Connect BATTERY EARTH LEAD .
• Top up ENGINE OIL .
• Check engine for tightness.