2005 Buick Century CustomFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: View Of EGR Valve
    GM507392Courtesy of GENERAL MOTORS CORP.
  1. Install the new EGR valve gasket.
  2. Install the EGR valve.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the EGR valve bolts.

    Tighten:Β  Tighten the valve bolts to 30 N.m (22 lb ft).

  5. Install the EGR pipe to the EGR valve.
  6. Install the bolt.

    Tighten:Β  Tighten the bolt to 25 N.m (18 lb ft).

  7. Connect the EGR valve electrical connector.
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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