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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1676 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Exhaust Manifold Installation - Right

Exhaust Manifold Installation - Right

WARNING: This page is about a different car, the 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the exhaust manifold studs.

    Tighten 

    Tighten the exhaust manifold studs to 10 N.m (89 lb in).

    Fig 1: Installing Right Exhaust Manifold Studs
    G01969494Courtesy 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).

  5. Install the right 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.
      Fig 2: Installing Right Exhaust Manifold, Studs, Gasket & Nuts
      G01969495Courtesy of GENERAL MOTORS CORP.
  6. Install the lower right exhaust manifold heat shield.
    Fig 3: Installing Lower Right Exhaust Manifold Heat Shield
    G01969496Courtesy of GENERAL MOTORS CORP.
  7. Install the upper right exhaust manifold heat shield.
    Fig 4: Installing Upper Right Exhaust Manifold Heat Shield
    G01969497Courtesy of GENERAL MOTORS CORP.
  8. Install the fuel injector sight shield cover bracket.
  9. Install the fuel injector sight shield cover bracket nuts.

    Tighten 

    Tighten the fuel injector sight shield bracket nuts to 30 N.m (22 lb ft).

    Fig 5: Installing Fuel Injector Sight Shield Cover Bracket & Nuts
    G01969498Courtesy of GENERAL MOTORS CORP.
  10. Install the right engine lift hook.
  11. Install the right engine lift hook nut and bolt.

    Tighten 

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

    Fig 6: Installing Right Engine Lift Hook, Bolt & Nut
    G01969499Courtesy of GENERAL MOTORS CORP.
  12. Coat the threads of the heated oxygen sensor with anti-seize compound.
  13. Install the heated oxygen sensor.

    Tighten 

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

  14. Install the heated oxygen sensor lead.
    Fig 7: Installing Heated Oxygen Sensor
    G01969500Courtesy of GENERAL MOTORS CORP.
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