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Spark Plug: Service and Repair
Spark Plug Removal and InstallationRemoval 1.
Remove ignition coil assemblies.
2.
Remove
spark plugs.
Installation 1.
Install
spark plugs and tighten them to specified torque.
Spark plug type : ACDelco 41-990 (platinum)
Tightening torque Spark plug: 18 N.m (1.8 kg-m, 13.5 lbf-ft)
2.
Install ignition coil assemblies.