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Exhaust Manifold Installation - Right

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Right Exhaust Manifold (3.4L)
    GM187052Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  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.

    Tighten:  Tighten the exhaust manifold nuts working from the center out to 16 N.m (12 lb ft).

  5. Install the right 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 spark plug wires on to the spark plugs.
    7. Fig 2: View Of Right Exhaust Manifold Heat Shields & Bolts
    GM187050Courtesy of GENERAL MOTORS CORP.
  7. Install the lower exhaust manifold heat shield.
  8. Install the upper exhaust manifold heat shield.
  9. Install the exhaust manifold heat shield bolts.

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

    10. Fig 3: Identifying Heated Oxygen Sensor
    GM186996Courtesy of GENERAL MOTORS CORP.
  10. Coat the threads of the heated oxygen sensor with anti seize compound.
  11. Install the heated oxygen sensor.

    Tighten:  Tighten the heated oxygen sensor to 42 N.m (31 lb ft).

  12. Install the spark plug wires.
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