11 33 062 Removing and installing/replacing all HVCA (hydraulic valve clearance adjustment) elements (S65)

IMPORTANT: Used HVCA elements may only be reused in the same position.
Set HVCA elements down in a clean and orderly manner.

Necessary preliminary tasks:

Remove HVCA element (1) in upward direction.

Installation:

Turning lock (2) on cylinder head.

Fig 1: Identifying HVCA Element And Cylinder Head Lock

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Check surface (1) of HVCA element for damage.

Installation:

Turning lock (2) on HVCA element.

Fig 2: Identifying Surface Of HVCA Element And HVCA Element Lock

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Installation:

Check valve keys (1) for correct seating.

Check turning lock (2) on cylinder head for damage.

Fig 3: Identifying Valve Keys And Turning Lock

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Assemble engine.