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Home >> Chevrolet >> 2004 >> Suburban C2500, 8.1 G >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Repair Instructions >> Ignition Coil(s) Replacement >> Installation Procedure

Installation Procedure

NOTE: This component is initially installed using a self-tapping bolt(s). Care should be taken when removing and/or installing the self-tapping bolt(s). Failure to use care when removing and/or installing the self-tapping bolt(s) can lead to damage and unnecessary replacement of the self-tapping bolt(s) and/or the component the self-tapping bolt(s) is threaded into.
    Fig 1: View Of Ignition Coil & Bolts
    GM470887Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install ignition coil.
  2. Install the ignition coil bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

  3. Connect the ignition coil electrical connector.
    4. Fig 2: View Of Spark Plug Wire
    GM470666Courtesy of GENERAL MOTORS CORP.
  4. Connect the spark plug wire to the ignition coil.
  5. Inspect the wire for proper installation:
    1. Push sideways on the boot in order to inspect the seating.
    2. Reinstall any loose boot.
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