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Marking of camshaft bearing caps - AH05.20-P-6992-01AO

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ENGINE 120 

IMPORTANT

The camshaft bearing caps are marked with numbers (arrows).

The numbers (arrows) of the camshaft bearing caps are cast into the cylinder heads.

The camshaft bearing caps must be installed in the same position again.

Fig 1: Identifying Camshaft Bearing Cap Marks
G10037410Courtesy of MERCEDES-BENZ USA

The intake camshafts can be removed or installed with or without camshaft sprocket.

Camshaft bearing caps 4 and 11 thrust bearing on right cylinder head

Camshaft bearing caps 18 and 25 axial bearing on left cylinder head

Fig 2: Identifying Camshaft Bearing Caps Loosening Sequence
G10037411Courtesy of MERCEDES-BENZ USA