Astra L4-1.8L (2009)
1. Clean the thread, toothed belt guide roller.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: Use assembly tool.
2. Install the toothed belt guide roller.
Use a new bolt.
Tighten the bolt to 25 Nm (18 lb ft).
3. Insert the toothed belt.
4. Release tension on the toothed belt tensioner.
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Apply preliminary tension clockwise to the toothed belt tension roller.
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Remove KM-6333 .
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Toothed belt tension pulley automatically moves to the correct position.
5. Raise the vehicle by its full height.
6. Install the front toothed belt cover (lower).
Tighten the 4 bolts to 6 Nm (53 lb in).
Note: The new bolt must be coated with screw locking compound (red).
7. Install the torsional vibration balancer.
Use a new bolt.
Tighten the bolt to 95 Nm (70 lb ft) plus 30 degrees, plus 15 degrees.
8. Remove KM-6625 .
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Detach the screwed connection.
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Tighten the bolted connection.
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Use new nuts.
9. Lower the vehicle by its full height.
10. Remove MK-6340 .
11. Timing, Inspection
Note: Note marking, camshaft sprockets.
