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Exhaust Manifold Installation - Left

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the exhaust manifold studs.

    Tighten 

    Tighten the exhaust manifold studs to 18 N.m (13 lb ft).

  2. Install the exhaust manifold gasket.
  3. Install the exhaust manifold.
  4. Install the exhaust manifold nuts in sequence.

    Tighten 

    Tighten the exhaust manifold nuts in sequence to 16 N.m (12 lb ft).

    Fig 1: Installing Left Exhaust Manifold And Gasket
    G01500859Courtesy of GENERAL MOTORS CORP.
  5. Install the left side spark plugs.

    Tighten 

    • Tighten the spark plugs to 20 N.m (15 lb ft) when installing spark plugs into a new cylinder head.
    • Tighten the spark plugs to 15 N.m (13 lb ft) when re-installing after initial installation.
  6. Install the exhaust manifold heat shield.
  7. Install the exhaust manifold heat shield bolts.

    Tighten 

    Tighten the exhaust manifold heat shield bolts to 10 N.m (89 lb in).

    Fig 2: Installing Left Exhaust Manifold Heat Shield
    G01500860Courtesy of GENERAL MOTORS CORP.
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