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Home >> Cadillac >> 2013 >> CTS V, 4D Wagon, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 6.2L - Repair Instructions >> Repair Instructions >> Spark Plug Wire Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Spark Plug Wire Routing
    GM74069Courtesy of GENERAL MOTORS COMPANY
  1. Install the spark plug wires at the ignition coil.
  2. Inspect the inside of the ignition coil rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, complete the following procedure:
    1. Apply a thin coating of dielectric grease evenly to the inside of the ignition coil rubber boot, up to a depth of 15 mm from the end of the boot. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    2. Remove any excess grease from around the end of the boot, and ensure there is not an excessive amount within the boot.
  3. Install the spark plug wire to each spark plug.
  4. Inspect the wires for proper installation:
    • Push sideways on each boot in order to inspect the seating.
    • Reinstall any loose boot.
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