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Home >> Chevrolet >> 2016 >> SS Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L (LS3) - Repair Instructions >> Repair Instructions >> Spark Plug Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Spark Plug
    GM3287775Courtesy of GENERAL MOTORS COMPANY
  1. If reusing spark plugs, refer to Spark Plug Inspection .
    2. NOTE:

    If using NEW spark plugs, do NOT attempt to check gap. Plugs come pre-gapped.

  2. Hand start the spark plugs in the corresponding cylinders.
    3. CAUTION:

    Refer to Fastener Caution .

  3. Tighten the spark plugs. Tighten the engine spark plug on a NEW cylinder head to 20 N.m (15 lb ft) and the engine spark plug on subsequent installations to 15 N.m (11 lb ft).
  4. Install the spark plug wires. Refer to Spark Plug Wire Replacement .
  5. Install the engine cover. Refer to Engine Cover Replacement .
  6. If the left side spark plugs are being serviced, install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
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