Astra L4-1.8L (2009)
Valve Spring: Service and Repair
Valve Stem Oil Seal and Valve Spring Replacement
Special Tools
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KM-958 Valve Stem Seal Installer
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KM-6625 Flywheel Locking Device
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MKM-6086 Automatic Valve Spring Lever
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SA9102E-A /KM-840 Valve Seal Remover/Replacer
Removal Procedure
1. Remove all cup tappets. Refer to Valve Lifter Replacement (See: Camshaft, Lifters and Push Rods/Lifter / Lash Adjuster/Service and Repair).
2. Remove the spark plugs. Refer to Spark Plug Replacement (See: Tune-up and Engine Performance Checks/Spark Plug/Service and Repair).
Note: 180 degrees offset to marking ignition TDC cylinder number 1.
