2005 Cadillac XLRFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: View Of Ignition Coils
    GM928257Courtesy of GENERAL MOTORS CORP.
  1. Carefully install the ignition coil assembly.
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the ignition coil assembly retaining bolts.

    Tighten:Β  Tighten the ignition coil assembly retaining bolts to 10 N.m (89 lb in).

  4. Fig 2: View Of Engine Wiring Harness & Right Ignition Coil Harness
    GM927822Courtesy of GENERAL MOTORS CORP.
  5. Reconnect the ignition coil assembly electrical connector.
  6. Fig 3: View Of Fuel Injector Sight Shield/Top Cover
    GM1272602Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 4.6L (LH2).
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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