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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 - Left

Exhaust Manifold Installation - Left

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).

    Fig 1: Left Exhaust Manifold
    G01703011Courtesy of GENERAL MOTORS CORP.
  5. Install the left 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.
  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: Left Exhaust Manifold Heat Shield
    G01703012Courtesy of GENERAL MOTORS CORP.