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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1843 (Engine Controls And Fuel - 3.5L (L66) - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
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 Replacement - Bank 1  and Ignition Coil Replacement - Bank 2 .
    2. Fig 1: View Of Spark Plugs
    GM1227037Courtesy 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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