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Home >> Buick >> 2011 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.6L - Repair Instructions >> Repair Instructions >> Exhaust Gas Recirculation Pipe Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying EGR Valve Inlet Pipe
    GM1666841Courtesy of GENERAL MOTORS COMPANY
  1. Position the EGR valve pipe to the exhaust manifold.
  2. CAUTION:

    Refer to Fastener Caution .

  3. Tighten the EGR pipe nut at the exhaust manifold.

    Tighten 

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

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

    Tighten 

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