11 13 000 Removing and installing, sealing or replacing oil sump (N57 Diesel)

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Special tools required:

00 0 200 .
00 0 201 .
00 0 202 .
00 0 204 .
00 0 208 .
11 0 000 .
11 8 780 .
(11 4 472)
(11 4 471)

Necessary preliminary tasks:

Remove STARTER MOTOR .
Drain ENGINE OIL .
Remove oil dipstick GUIDE TUBE .
Remove front oil sump ACOUSTIC COVER .
Remove FRONT AXLE DIFFERENTIAL (AWD only).
Remove BEARING SUPPORT (AWD only).

NOTE: Front axle alignment is not required.

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

Illustration: Automatic transmission

Release screws (1) from transmission.

Automatic transmission: Tightening torque 24 00 1AZ .

Manual gearbox: Tightening torque: 23 00 1AZ .

Fig 1: Identifying Transmission Screws

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Illustration: 4WD

Installation note:

Replace gasket.

Unplug connector (1) from oil level switch and unclip cable in area of oil sump.

Modify oil level sensor if replacing oil sump.

Release oil sump bolts along dashed line (2).

Tightening torque 11 13 2AZ .

Detach oil sump downward.

Fig 2: Identifying Connector And Bolts

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Installation note:

Tighten down all screws diagonally and evenly.

GraphicsN47T

Only on vehicles with gasket

Remove gasket (1).

Remove gasket debris from sealing face and clean sealing face.

Fig 3: 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 4: Identifying Sealant Application 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 5: Positioning Special Tool (11 8 780)

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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 6: Locating Aperture In Oil Sump

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

Fig 7: 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 8: 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 9: 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 10: Identifying Application Area For Sealing Compound

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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 11: Positioning Special Tool (11 8 780)

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Assemble engine.