11 33 062 Removing and installing/replacing all rocker arms (N57 Diesel)

Special tools required: 

• 11 4 480 .
• 11 5 320 .
• 11 6 480 .

Necessary preliminary tasks: 

• Remove CYLINDER HEAD COVER .

Crank engine with special tool 11 6 480 to TDC firing position of cylinder no. 1.

Fig 1: Cranking Engine Using Special Tool (11 6 480)

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Remove protective cap of timing case cover.

Block crankshaft in firing TDC position of cylinder no. 1 using special tool 11 5 320 .

Fig 2: Blocking Crankshaft In Firing TDC Position Of Cylinder No. 1 Using Special Tool (11 5 320)

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Release CHAIN TENSIONER (1).

Tightening torque: 11 12 2AZ .

Fig 3: Identifying Chain Tensioner

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Release screws (1).

Remove camshaft sprocket from assembled shaft and feed out of timing chain.

Place timing chain in cylinder head.

Fig 4: Identifying Screws Of Camshaft Sprocket

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Fig 5: Identifying Bolts

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Remove all rocker arms (1) and lay down on special tool 11 4 480 in an orderly manner.

Installation note: 

Already used rocker arms (1) may only be reused in the same position.

Fig 6: Identifying Roller Cam Follower

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Fig 7: Camshaft Carrier Bolts Tightening/Loosening Sequence

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Installation note:

Make sure roller cam followers are in correct installation positions.

Place camshaft carrier on cylinder head.

Tighten bolts in sequence (1 to 20).

Tightening torque: 11 31 3AZ .

Adjust VALVE TIMING .

Assemble engine.