Astra L4-1.8L (2009)
7. Install con-rod bearing covers 2 and 3 (1).
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Wet the con-rod bearing journal with engine oil.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
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Renew the bolts.
Tighten the 4 bolts to 35 Nm (26 lb ft) plus 45 degrees plus 15 degrees.
8. Turn the crankshaft on the torsional vibration balancer through 180 degrees in the direction of rotation of engine.
9. Lower the vehicle.
10. Set the piston ring joint, piston 1.
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First piston ring (right-hand ring) in position (1)
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Second piston ring (minute ring) in position (4)
