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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> Exhaust Manifold Replacement - Left Side >> Removal Procedure

Removal Procedure

    Fig 1: Exhaust Manifold Pipe Nuts (Left)
    GM664832Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the exhaust manifold pipe nuts.
  3. Lower the vehicle.
  4. Remove the spark plug wires. Refer to Spark Plug Wire Replacement .
    5. Fig 2: Exhaust Manifold Bolts, Manifold & Gasket
    GM260074Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust manifold bolts, manifold, and gasket.
  6. Discard the gasket.
    7. Fig 3: View Of Left Exhaust Manifold Heat Shield & Bolts
    GM492766Courtesy of GENERAL MOTORS CORP.
  7. Remove the heat shield bolts (3), and shield (2) from the exhaust manifold (1), if necessary.
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