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How to Replace the Spark Plugs of a Chevrolet Lacetti

Model: Chevrolet Lacetti MK 1 - Years 2002-2009
Part: Spark plugs

Today, you will learn how to independently replace the spark plugs of a Chevrolet Lacetti. Before proceeding with the replacement, ensure the engine is cold. Open the front bonnet and remove the engine cover using a 10 mm socket wrench. Disconnect the electrical connectors of the coils, and using a 16 mm socket, unscrew the worn spark plugs counter-clockwise. Insert the new spark plugs after applying some grease and tighten them to a specific torque of 25 Nm. Reconnect the coil connectors and close the front bonnet. Start the vehicle to test its operation.

Posted on 5 May 2026 by ScegliAuto

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