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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 599 (Engine Mechanical - 3.8L (Unit Repair)) >> Repair Instructions >> Exhaust Manifold Installation - Left

Exhaust Manifold Installation - Left

WARNING: This page is about a different car, the 2002 Buick Regal. 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 10 N.m (89 lb in) 

    Fig 1: Exhaust Manifold Studs
    G01764659Courtesy of GENERAL MOTORS CORP.
  2. Install the exhaust manifold gasket.
  3. Install the exhaust manifold.
  4. Install the exhaust manifold bolts and nuts.

    Tighten: 

    Tighten the exhaust manifold bolts and nuts to 30 N.m (22 lb ft) 

    Fig 2: Exhaust Manifold And Gasket
    G01764660Courtesy 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 the spark plugs in to a new cylinder head.
    • Tighten the spark plugs to 15 N.m (13 lb ft) when re-installing the spark plugs after initial installation.

  6. Install the left engine lift hook.
  7. Install the left engine lift hook nut and bolt.

    Tighten: 

    Tighten the left engine lift hook nut and bolt to 30 N.m (22 lb ft) 

    Fig 3: Left Engine Lift Hook
    G01764661Courtesy of GENERAL MOTORS CORP.
  8. Install the left exhaust manifold heat shield.
  9. Install the left exhaust manifold heat shield nuts.

    Tighten: 

    Tighten the left exhaust manifold heat shield nuts to 20 N.m (15 lb ft) 

    Fig 4: Left Exhaust Manifold Heat Shield
    G01764662Courtesy of GENERAL MOTORS CORP.