11 37 005 Removing and installing/replacing eccentric shaft (B48, B46)

Special tools required: 

• 11 4 480

Necessary preliminary tasks: 

• Remove INTERMEDIATE LEVER 
• Remove INTAKE CAMSHAFT 
• Remove SERVOMOTOR FOR ECCENTRIC SHAFT 

Removal: 

Release screws (1).

Set down the bearing cap neatly in special tool 11 4 480 .

Release all screws (2) evenly.

Set down all bearing supports neatly in special tool 11 4 480 .

Fig 1: Bearing Cap Screws

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Remove intermediate shaft (1) from cylinder head.

Fig 2: Removing Intermediate Shaft From Cylinder Head

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Installation: 

Check all needle bearings (1) of eccentric shaft (2) for ease of movement.

Fig 3: Needle Bearings And Eccentric Shaft

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Fig 4: Guide Bushes

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Clean all bearing positions (1) and coat with engine oil.

Fig 5: Bearing Position

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Before assembly of the eccentric shaft move the needle bearing (1) in the direction of the arrow up to the limit position.

Fig 6: Moving Needle Bearing

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Oil the needle bearings of eccentric shaft (1).

Mount eccentric shaft on cylinder head.

Mount bearing shell (2) and bearing supports (3) on cylinder head.

Fig 7: Eccentric Shaft, Bearing Shell And Bearing Supports

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The bearing cap (1) is provided with a limit position.

Fig 8: Bearing Cap

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Tighten all screws (1 and 2) evenly.

Tightening torque 11 37 3AZ .

Fig 9: Bearing Cap Screws

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