11 13 000 Removing and installing, sealing or replacing oil sump (N47 D20 O1) F25

Special tools required:

Necessary preliminary tasks:

IMPORTANT: Engines with surface sealant:
Application time of sealing bead max. 12 minutes.

Release dipstick (1) on oil filter housing and pull upwards out of oil sump.

Installation note:

Replace gasket.

Unplug connector (2) from oil level switch and unclip cable in area of oil sump.

Modify oil level sensor if replacing oil sump.

Fig 1: Identifying Dipstick On Oil Filter Housing

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Release bolts (3) on transmission.

Release sump bolts along dashed line (4).

Tightening torque: 11 13 2AZ .

Detach oil sump downward.

Installation note:

Tighten down all screws diagonally and evenly.

Only on vehicles with gasket

Remove gasket (1).

Remove gasket debris from sealing face and clean sealing face.

Fig 2: Identifying Gasket

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Installation note:

Use LIQUID SEALANT 2.1 Drei Bond.

Apply Drei Bond liquid sealant lightly and evenly in the area of the arrows on the differential cover to the engine block.

IMPORTANT: Oil sump gasket must not be lubricated.

Install oil sump with a new gasket.

Fig 3: Installing Oil Sump

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Installation note:

Special tool 11 8 780 is only necessary if the engine or the transmission is removed.

Position special tool 11 8 780 with transmission bolts (1) so that engine oil sump is exactly flush with engine block.

Attaching the oil sump.

Fig 4: Positioning Special Tool (11 8 780) With Transmission Bolts

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Engines with liquid seal:

IMPORTANT: The oil sump can only be loosened in the areas (1) where an aperture is present in the oil sump.

Fig 5: Identifying Oil Sump Seal Areas

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Use a suitable crow bar (1) at the appropriate point to release the oil sump in direction of arrow.

Fig 6: Releasing Oil Sump

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Clean sealing surface (1) with special tool (11 4 472).

Installation note:

Sealing surfaces must be free of oil, grease and cleaning agents.

Fig 7: Cleaning Sealing Surface Using Special Tool (11 4 472)

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Clean sealing surface (1) with special tool (11 4 471).

Installation note:

Sealing surfaces must be free of oil, grease and cleaning agents.

Fig 8: Cleaning Sealing Surface Using Special Tool (11 4 471)

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Apply sealing compound:

APPLY THE SEALING COMPOUND IN AREA (1) .

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

The oil return channel must be completely surrounded (see arrow).

Installation note:

The oil sump must be installed approximately 10 minutes after application of the sealing compound.

Sealant height approximately 2 to 2.5 mm.

Fig 9: Locating Sealing Compound Applying Area

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Installation note:

Special tool 11 8 780 is only necessary if the engine or the transmission is removed.

Position special tool 11 8 780 with transmission bolts (1) so that engine oil sump is exactly flush with engine block.

Attaching the oil sump.

Fig 10: Positioning Special Tool (11 8 780) With Transmission Bolts

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Assemble engine.