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

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 Support Sleeve

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Unscrew nuts (2).

Tightening torque: 11 41 1AZ .

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.

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

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NOTE: Illustration shows engine removed Unscrew nuts (1).

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

Installation note:

Replace screws.

Tightening torque: 11 41 2AZ .

Fig 4: Identifying Oil Pump And Nuts

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NOTE: Illustration without top oil sump

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

NOTE: Illustration without top oil sump

Fig 5: Pulling Off Engine Oil Line Upwards

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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 O-Ring

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

Fig 8: Pulling Off Engine Oil Line Upwards

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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 Special Tool (2 213 485) Drag Pointer On Oil Pump Chain

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Installation note:

Attachment point (1) N63O0/N63/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 To Left And Right

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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: Illustration without top oil sump

Fig 13: Pre-tensioning Oil Pump Adjusting Sleeve With Hexagon Socket Wrench

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Join and secure screw (2).

Tightening torque 11 41 2AZ .

NOTE: Illustration without top oil sump

Fig 14: Identifying Oil Pump And Nuts

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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: Illustration (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.

Tightening torque 11 14 4AZ .

Tighten down bolts (2) from inside outwards.

Tighten down screws (1) from inside outwards.

Tightening torque 11 13 2AZ .

Fig 17: Identifying Screws

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Assemble engine.