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Home › Cadillac › 2009 › Escalade EXT › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel - 4.8L, 5.3L, 6.0L Or 6.2L - Introduction › Repair Instructions › Spark Plug Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  1. Correctly position the spark plug washer.
  2. Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications 
  3. Hand start the spark plug in the corresponding cylinder.
    4. CAUTION: Refer to Fastener Caution .
  4. Tighten the spark plug.

    Tighten:  Tighten the plug to 15 N.m (11 lb ft).

    5. Fig 2: View of Spark Plug Wires
    GM1707125Courtesy of GENERAL MOTORS CORP.
  5. Install the spark plug wire to the spark plug.
  6. Inspect the spark plug wire for proper installation:
    1. Push sideways on each boot in order to inspect the seating.
    2. Reinstall any loose boot.
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