Balance Shaft: Description and Operation
CARRIER-BALANCE SHAFTSDESCRIPTION
The 2.4L engine is equipped with two nodular cast iron balance shafts (6) installed in a cast aluminum carrier (4) attached to the lower cylinder block.
OPERATION
The balance shafts are driven by the crankshaft via a roller chain and sprockets. The balance shafts are connected by helical gears. The dual counter rotating shafts decrease second order vertical shaking forces caused by component movement.