GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2009 🢒 Ascender - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Spark Plug Replacement

Removal Procedure

    Object Number: 14824 Size: SH
  1. Remove the spark plug wire. Refer to Spark Plug Wire Replacement.
  2. Remove the washer solvent container to gain access to the #2 spark plug. Refer to Windshield Washer Solvent Container Replacement.
  3. Loosen the spark plug 1-2 turns.
  4. Brush or using compressed air, blow away any dirt from around the spark plug.
  5. Remove the spark plug.

    6. If removing more than one plug, place each plug in a tray marked with the corresponding cylinder number.

Installation Procedure

    Object Number: 14824 Size: SH
  1. Correctly position the spark plug washer.
  2. Inspect the spark plug gap. Adjust the gap as needed.

    3. Specification
    Spark plug gap: 1.524 mm (0.060 in)

  3. Hand start the spark plug in the corresponding cylinder.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Tighten the spark plug.
    5. • For used heads, tighten the plug to 15 N·m (11 lb ft).
    • For NEW heads, tighten the plug to 20 N·m (15 lb ft).
  5. Install the spark plug wire. Refer to Spark Plug Wire Replacement.
  6. If removed, install the washer solvent container. Refer to Windshield Washer Solvent Container Replacement.