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Exhaust Gas Recirculation (EGR) and EGR Pipe Installation

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Inspect the EGR outlet pipe for leaks during installation. If cracks, deformation or any visible signs of leaking is present, replace the EGR adapter assembly.

  1. Install the EGR valve adapter assembly on the cylinder head.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the EGR valve adapter assembly to cylinder head bolts.

    Tighten 

    Tighten the EGR valve adapter assembly bolts to 50 N.m (37 lb ft).

  3. Install the EGR valve outlet pipe to the lower intake and the EGR valve adapter assembly.
  4. Install the EGR valve outlet pipe bolt and nut.

    Tighten 

    Tighten the EGR valve outlet pipe bolt and nut to 29 N.m (21 lb ft).

  5. Install the EGR valve adapter inlet pipe to the RH exhaust manifold.
  6. Install the EGR valve adapter inlet pipe bolt.

    Tighten 

    Tighten the EGR valve adapter inlet pipe bolt to 29 N.m (21 lb ft).

  7. Install the EGR valve gasket and EGR valve.
  8. Install the EGR valve nuts.

    Tighten 

    Tighten the EGR valve nuts to 29 N.m (21 lb ft).

    Fig 1: Installing EGR Valve Adapter Assembly
    G02083934Courtesy of GENERAL MOTORS CORP.
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