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Home >> Buick >> 2009 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Repair Instructions >> Exhaust Gas Recirculation Pipe Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying EGR Valve Inlet Pipe
    GM1666841Courtesy of GENERAL MOTORS CORP.
  1. Position the EGR valve pipe to the exhaust manifold.
    2. CAUTION: Refer to Fastener Caution .
  2. Tighten the EGR pipe nut at the exhaust manifold.

    Tighten:  Tighten the nut to 60 N.m (44 lb ft).

  3. Lower the vehicle.
  4. Install the EGR valve pipe bolt at the water pump housing.

    Tighten:  Tighten the bolt to 28 N.m (21 lb ft).

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