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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1317 (Engine Mechanical - 3.1L Unit Repair) >> Repair Instructions >> Exhaust Manifold Installation - Right

Exhaust Manifold Installation - Right

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to FASTENER NOTICE .
  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 to 16 N.m (12 lb ft).

  5. Install the right side spark plugs.

    Tighten 

    • Tighten the spark plugs to 27 N.m (20 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.
      Fig 1: Right Exhaust Manifold
      G01703013Courtesy of GENERAL MOTORS CORP.
  6. Install the lower exhaust manifold heat shield.
  7. Install the upper exhaust manifold heat shield.
  8. Install the exhaust manifold heat shield bolts.

    Tighten 

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

    Fig 2: Right Exhaust Manifold Heat Shield
    G01703014Courtesy of GENERAL MOTORS CORP.
  9. Coat the threads of the heated oxygen sensor with anti-seize compound.
  10. Install the heated oxygen sensor.

    Tighten 

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

  11. Install the spark plug wires.
    Fig 3: Spark Plug Wires
    G01703015Courtesy of GENERAL MOTORS CORP.