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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Manifold Replacement - Right >> Removal Procedure

Removal Procedure

  1. Raise the vehicle. Refer to LIFTING & JACKING THE VEHICLE in General Information.
  2. Disconnect the exhaust pipe from the exhaust manifold. Refer to Exhaust Manifold Pipe Replacement .
  3. Lower the vehicle.
  4. Remove the bolt for the oil level indicator tube.
    NOTE: 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 or the wire could be damaged.
  5. Remove the spark plug wires from the spark plugs.
    1. 5.1. Rotate the spark plug wire boot 1/2 turn.
    2. 5.2. Pull outward on the spark plug wire boot to release from the spark plug.
  6. Remove the spark plug wires from the spark plug wire retainers.
  7. Remove the exhaust manifold bolts.
    8. Fig 1: Exhaust Manifold Bolts
    G01660164Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wire shields and the exhaust manifold.
  9. Remove and discard the exhaust manifold gaskets.
    10. Fig 2: Exhaust Manifold Gaskets
    G01660165Courtesy of GENERAL MOTORS CORP.
  10. Clean all gasket surfaces. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION in Engine Mechanical - 4.3L Unit Repair.
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