Astra L4-1.8L (2009)
Valve Clearance: Adjustments
Valve Clearance Adjustment
Special Tools
*
KM-422 Installer
*
KM-845 Suction Device
*
KM-6001-A Engine Mount
*
KM-6333 Fixing Rod
*
MK-6340 Locking Tool
*
KM-6361 Feeler Gage Set
*
KM-6625 Flywheel Locking Device
*
MK-6628 Locking Tool
Removal Procedure
1. Open the hood.
2. Disconnect the battery.
*
Detach the ground connection from the ground terminal.
*
Loosen the nut.
3. Remove the air cleaner housing. Refer to Air Cleaner Assembly Replacement (See: Air Cleaner Housing/Service and Repair).
4. Remove the front toothed belt cover (top). Refer to Timing Belt Upper Front Cover Replacement (See: Engine, Cooling and
Exhaust/Engine/Timing Components/Timing Cover/Service and Repair).
5. Remove the camshaft cover. Refer to Camshaft Cover Replacement (See: Engine, Cooling and Exhaust/Engine/Cylinder Head Assembly/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: Engine, Cooling and Exhaust/Engine/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.