Powertrain Engines
Crankshaft
• The crankshaft for the L8 and LF engine has four counterweights, while the crankshaft
for the L3 engine has eight counterweights.
• In addition, the crankshaft for the L3 engine is equipped with a drive gear for the
balancer shafts.
• The crankshaft features no key for the installation of the crankshaft sprocket and the
crankshaft pulley, i.e. solely the clamping force of the lock bolt secures both components
on the crankshaft.
• The crankshaft pulley has a pulse wheel for the CKP (Crankshaft Position) sensor
signals. For this reason, the crankshaft pulley must be fixed to the engine front cover
using a detent bolt (M6 x 1.0) before tightening the crankshaft pulley lock bolt.
• The crankshaft pulley lock bolt is a torque-to-yield bolt, which must be tightened in
several stages (refer to the workshop manual for details).
NOTE: The crankshaft pulley lock bolt must not be re-used.
L1001.4_01004
1 Crankshaft (L8, LF engine) 2 Crankshaft (L3 engine)
Curriculum Training 01-9
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