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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 722 (Engine Mechanical - 8.1L (Unit Repair)) >> Repair Instructions >> Exhaust Manifold Removal-Left (Medium Duty)

Exhaust Manifold Removal-Left (Medium Duty)

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire.

  1. Remove the left spark plug wires from the spark plugs and ignition coils.
    Fig 1: Left Spark Plug Wires (Medium Duty)
    G01675303Courtesy of GENERAL MOTORS CORP.
  2. Remove the left exhaust manifold heat shield nuts.
  3. Remove the left exhaust manifold heat shield.
    Fig 2: Left Exhaust Manifold Heat Shield & Nuts (Medium Duty)
    G01675304Courtesy of GENERAL MOTORS CORP.
  4. Remove the left exhaust manifold nuts and center bolt.
  5. Remove the left exhaust manifold.
  6. Remove the left exhaust manifold gasket.
    Fig 3: Left Exhaust Manifold, Gasket & Nuts (Medium Duty)
    G01675305Courtesy of GENERAL MOTORS CORP.
  7. Remove the left spark plugs.
    Fig 4: Left Spark Plug (Medium Duty)
    G01675306Courtesy of GENERAL MOTORS CORP.
  8. Remove the exhaust manifold studs, if necessary.
    Fig 5: Exhaust Manifold Studs (Medium Duty)
    G01675307Courtesy of GENERAL MOTORS CORP.