11 41 150 Removing and installing/replacing roller chain for oil pump drive (N63)

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Special tools required:

11 7 201
2 213 485 .

Necessary preliminary tasks:

Drain ENGINE OIL .
Remove FLYWHEEL .
Remove BOTTOM OF OIL SUMP .

NOTE: Support bush (2) is included in delivery specification.
If the crankshaft seal (1) is stored for more than six months without the support sleeve (2), its operational reliability will no longer be guaranteed.

Crankshaft seal (1) must not be reused in this case!

Support bush (2) remains in the crankshaft seal (1) and is used as a slip bush during described installation described below.

IMPORTANT: The sealing lip of the crankshaft seal (1) is very sensitive and must not be kinked.

Fig 1: Identifying Crankshaft Seal And Bush

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Unscrew nuts (2).

Tightening torque: 11 41 1 AZ .

Remove intake pipe (1).

Installation note:

Replace O-ring.

Fig 2: Identifying Intake Pipe And Nuts

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Release all nuts (1) using special tool 11 7 201.

Tightening torque: 11 41 5AZ .

Remove oil pump drive gear.

NOTE: Graphic shows engine removed

Fig 3: Releasing Nuts Using Special Tool (11 7 201)

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Unscrew nuts (1).
Release screws, remove oil pump (1) with aid of a second person.

Installation note:

Replace screws.

Tightening torque: 11 41 2AZ .

NOTE: Graphic without top oil sump

Fig 4: Identifying Oil Pump And Nuts

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Pull off engine oil line (1) upwards in direction of arrow.

NOTE: Graphic without top oil sump

Fig 5: Pulling Off Engine Oil Line

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Installation note:

Replace sealing rings (1).

Lightly oil sealing ring 1 (1).

Coat engine oil pipe (2) with suitable lubricant.

Fig 6: Identifying Engine Oil Pipe And Sealing Rings

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Installation note:

Replace O-ring (1) for oil feed line.

Fig 7: Identifying Oil Feed Line O-Ring

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Fit engine oil pipe (1) in direction of arrow.

Fig 8: Fitting Engine Oil Pipe

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Feed out roller chain (1) via the crankshaft (2).

Installation note:

Mount new roller chain (1).

Install oil pump and adjust.

Fig 9: Identifying Roller Chain And Crankshaft

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Procedure on installed engine: Upper oil sump has been installed

Position drag pointer (1) of special tool 2 213 485 on oil pump chain.

Fig 10: Positioning Drag Pointer Of Special Tool (2 213 485) On Oil Pump Chain

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Installation note:

Attachment point (1) N63O0 / N63O1/S63O0.

Attachment point (2) N74.

Fig 11: Identifying Attachment Points

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IMPORTANT: Do not use force preload timing chain.

Push drag pointer (1) to the left and right until value has been determined.

Adjustment value 10 mm +2 .

Fig 12: Pushing Drag Pointer

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Adjust oil pump timing chain.

Pretension oil pump adjusting sleeve (1) with a hexagon socket wrench.

Adjustment value 10 mm +2 .

NOTE: Graphic without top oil sump

Fig 13: Identifying Oil Pump Adjusting Sleeve

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Join and secure screw (2).

Tightening torque 11 41 2 AZ .

NOTE: Graphic without top oil sump

Fig 14: Identifying Oil Pump Drive Screws

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Installation note:

Check fitting sleeves (1) for damage and correct installation position.

Clean sealing surface (2) so that it is free from oil and grease.

Coat contact edges on separating face along oil sump (see arrows) with DREI BOND 1209 2.1 .

Fig 15: Identifying Fitting Sleeves And Oil Sump Sealing Surface

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Installation note:

Lightly oil running surface of crankshaft.

Fit end cover (1) with support bush (2) on crankshaft and push on carefully.

NOTE: Graphic (N62TU).

Fig 16: Identifying Support Bush And End Cover

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Insert screws (2) and initially tighten without play.

Insert screws (1) and initially tighten without play.

Tighten down bolts (2) from inside outwards.

Tightening torque 11 14 4AZ .

Tighten down screws (1) from inside outwards.

Tightening torque 11 13 2AZ .

Fig 17: Identifying Oil Pump Drive Bolts And Screws

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Assemble engine.