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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - INTRODUCTIONREPAIR INSTRUCTIONSEXHAUST GAS RECIRCULATION (EGR) INLET PIPE REPLACEMENTINSTALLATION PROCEDURE
2005 Buick LeSabre Limited, 4T65E/M15

Installation Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure
    Fig 1: Removing/Installing EGR Valve Inlet Adapter Pipe
    GM703601Courtesy of GENERAL MOTORS CORP.
  1. Install the EGR valve inlet pipe assembly (1).
  2. Install the mounting bolt (2) and the stud (3) to the EGR valve inlet pipe bracket.

    Tighten:  Tighten the bolt and stud to 50 N.m (37 lb ft).

    3. Fig 2: Removing/Installing EGR Valve Inlet Adapter Pipe Mounting Bolt
    GM703604Courtesy of GENERAL MOTORS CORP.
  3. Install the EGR valve inlet pipe bolt (2) to the exhaust manifold.

    Tighten:  Tighten the bolt to 29 N.m (21 lb in).

  4. Install the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation (EGR) Outlet Pipe Replacement .
  5. Install the EGR valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
RENDER: 1.0x

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When to See a Mechanic

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

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