Astra L4-1.8L (2009)
25. Remove KM-6625 .
Detach the screwed connection.
26. Set the crankshaft to ignition TDC of cylinder 3.
Note: Alignment marking on toothed belt drive wheel must align with marking on rear toothed belt cover.
Turn crankshaft evenly by 180 degrees.
27. Block the crankshaft.
Install KM-6625 . Tighten the bolted connection.
28. Lower the vehicle by its full height.
29. Replace the valve stem seal of cylinders 2 and 3 by analogy with Step 7 to Step 21.
30. Remove the pneumatic adapter MKM-6086-15.
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Interrupt the compressed air feed.
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Remove the adapter from cylinder number 3.
31. Remove the automatic valve spring lever MKM-6086 .
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Release the installation shaft.
Loosen the bolt.
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Remove both supports with the installation shaft.
Remove the 4 bolts.
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Remove the installation head from the lever arm.
Installation Procedure
1. Install the spark plugs. Refer to Spark Plug Replacement (See: Tune-up and Engine Performance Checks/Spark Plug/Service and Repair).
2. Raise the vehicle.
3. 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.
4. Set the engine to 60 degrees (measurement l) before TDC.
Set the crankshaft in direction of engine rotation to 60 degrees (measurement l) before TDC.
5. Install the cup tappet. Refer to Valve Lifter Replacement (See: Camshaft, Lifters and Push Rods/Lifter / Lash Adjuster/Service and Repair).
