Belt Drive - Mercedes-Benz OM 651 Service Manual

4-cylinder inline engines
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Belt routing
The ancillary assemblies are driven by a single-piece,
low-maintenance poly-V belt. The poly-V belt is
tensioned by an automatic belt tensioner with
tensioner pulley.
Belt routing
1 Alternator
2 Belt pulley
3 Guide pulley
– This printout will not be recorded by the update service. Status: 09 / 2008 –
4 Coolant pump
5 Power steering pump
6 Belt tensioner with tensioner pulley
Introduction of New Generation of 4-Cylinder Inline Engines, OM 651

Belt drive

7 Refrigerant compressor
8 Guide pulley
9 Major assembly carrier
q
19

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