2005 Chevrolet Uplander LSFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Disconnect the brake booster vacuum hose from the intake manifold.
  2. Note the position of the spark plug wires for the installation and disconnect the spark plug wires from the ignition coil and module assembly.
  3. Fig 1: Removing/Installing 4 Screws Securing Ignition Coil And Module Assembly To Bracket
    GM1238999Courtesy of GENERAL MOTORS CORP.
  4. Remove the 4 screws securing the ignition coil and module assembly to the bracket.
  5. Remove the ignition coil and module assembly.
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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