Engines Powertrain
Valve Train
• The camshafts are driven via a timing belt by the fuel high-pressure pump pulley/gear,
which in turn is driven via helical gears by the crankshaft.
• The timing belt and the timing belt tensioner have to be replaced every 120,000 km.
L1001.4_01078
1 Camshaft pulley 8 Crankshaft gear
2 Intake camshaft 9 Idler gear no.1
3 Exhaust camshaft 10
Idler gear no.2
4 Roller cam follower 11 Fuel high-pressure pump pulley/gear
5 Balancer shaft 12 Tensioner pulley
6 Balancer shaft gear 13 Timing belt
7 Idler gear no.3 14 Idler pulley
01-84 Curriculum Training
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