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Home >> Cadillac >> 2005 >> CTS Base, 2.8 T, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 5.7L - Introduction) >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Spark Plug Wire Routing
    GM74069Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the spark plug wires at each spark plug:
    • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from each spark plug.
  2. Disconnect the spark plug wires from the ignition coil:
    • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wires from the ignition coil.
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