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Home >> Cadillac >> 2015 >> CTS V, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L (LSA) - Repair Instructions (Coupe) >> 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 COMPANY
    NOTE:

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

  1. If reusing spark plugs, refer to Spark Plug Inspection .
  2. Hand start the spark plugs in the corresponding cylinders.
  3. CAUTION:

    Refer to Fastener Caution .

  4. Tighten the spark plugs.
    • For cylinder head-new: Tighten the spark plugs to 20 N.m (15 lb ft).
    • For cylinder head-all subsequent installations: Tighten the spark plugs to 15 N.m (11 lb ft).
  5. Install the spark plug wires. Refer to Spark Plug Wire Replacement .
  6. Install the Intake manifold front cover. Refer to Intake Manifold Cover Replacement - Front .