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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 2.0L - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
  1. Remove the ignition coils. Refer to Ignition Coil(s) Replacement .
    Fig 1: Identifying Spark Plugs
    GM1339183Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Remove any water and debris from the spark plug holes before spark plug removal with compressed air.
  2. Remove the spark plugs with a spark plug socket.
  3. Inspect the spark plugs. Refer to Spark Plug Inspection .
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