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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Wire Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: If the boot to wire movement has occurred, the boot will give a false visual impression of being fully seated. Ensure that the boots have been properly assembled by pushing sideways on the installed boots. Failure to properly seat the terminal onto the spark plug will lead to wire core erosion and result in an engine misfire or crossfire condition, and possible internal damage to the engine.
  1. Install the spark plug wire at the distributor.
  2. Install the spark plug wire to each spark plug.
  3. Install the wire to the wire separators.
    IMPORTANT: Wire routing must be kept intact during service and followed exactly when wires have been disconnected or replaced.
    Fig 1: View Of Spark Plug Wire Retaining Bracket
    GM317450Courtesy of GENERAL MOTORS CORP.
  4. Inspect the wires for proper installation:
    1. Push sideways on each boot in order to inspect the seating.
    2. Reinstall any loose boot.
    3. Any time the spark plug wire or boot are installed on the spark plug, new dielectric grease needs to be applied inside the boot.
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