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Home >> Isuzu >> 2004 >> Ascender Limited, 5.3 P, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) - 5.3L >> Repair Instructions >> Spark Plug Replacement >> Installation Procedure
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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.

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

  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Hand start the spark plug in the corresponding cylinder.
  5. Tighten the spark plug.

    Tighten: 

    • Tighten the plug to 15 N.m (11 lb ft) for used heads.
    • Tighten the plug to 20 N.m (15 lb ft) for NEW heads.

  6. Install the spark plug wire. Refer to Spark Plug Wire Replacement .
  7. Install the washer solvent container. Refer toWasher Solvent Container Replacement in Wiper/Washer Systems.