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Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  1. Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications .
  2. Hand start the spark plug in the corresponding cylinder.
    3. CAUTION: Refer to Fastener Caution .
  3. Tighten the spark plug to 15 N.m (11 lb ft).
    4. Fig 2: View of Spark Plug Wires
    GM1707125Courtesy of GENERAL MOTORS CORP.
  4. Install the spark plug wire to the spark plug.
  5. 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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