Astra L4-1.8L (2009)
Valve Clearance: Adjustments
Valve Clearance Adjustment
Special Tools
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KM-422 Installer
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KM-845 Suction Device
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KM-6001-A Engine Mount
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KM-6333 Fixing Rod
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MK-6340 Locking Tool
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KM-6361 Feeler Gage Set
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KM-6625 Flywheel Locking Device
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MK-6628 Locking Tool
Removal Procedure
1. Open the hood.
2. Disconnect the battery.
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Detach the ground connection from the ground terminal.
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Loosen the nut.
3. Remove the air cleaner housing. Refer to Air Cleaner Assembly Replacement (See: Tune-up and Engine Performance Checks/Air Cleaner
Housing/Service and Repair).
4. Remove the front toothed belt cover (top). Refer to Timing Belt Upper Front Cover Replacement (See: Timing Components/Timing
Cover/Service and Repair).
5. Remove the camshaft cover. Refer to Camshaft Cover Replacement (See: Valve Cover/Service and Repair).
6. Raise the vehicle by its full height.
7. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement (See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt
Tensioner/Service and Repair).
8. Set the engine to TDC.
Turn the crankshaft in the direction of engine rotation by the bolt of the torsional vibration damper to cylinder 1 TDC of combustion stroke.