11 34 002 Checking valve clearance (W20)

Special tools required:

Necessary preliminary tasks:

Screw plug (1) for access to crankshaft.

Disconnect crankshaft access screw plug (2).

Fig 1: Identifying Screw Plugs

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Open screw plug with special tool 61 6 010.

Fig 2: Releasing Screw Plug With Special Tool (61 6 010)

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Twist crankshaft (2) in direction of engine rotation at hexagon head.

Fig 3: Locating Crankshaft Central Bolt And Mark

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Measure valve clearance with special tool 11 3 160 and note down.

Fig 4: Measuring Valve Clearance With Special Tool (11 3 160)

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Assemble engine.