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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1390 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left (8.1L Engine) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plug Wire
    GM470666Courtesy of GENERAL MOTORS CORP.
    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 or the wire could be damaged.
  1. Remove the wheelhouse panel. Refer to WHEELHOUSE PANEL REPLACEMENT .
  2. Remove the spark plug wires from the spark plugs and ignition coils.
  3. Remove the spark plugs. Refer to SPARK PLUGS .
    4. Fig 2: Vie of Exhaust Manifold Heat Shield
    GM470676Courtesy of GENERAL MOTORS CORP.
  4. Raise and suitably support the vehicle. Refer to LIFTING & JACKING THE VEHICLE .
  5. Remove the exhaust manifold heat shield bolts and nuts.
  6. Remove the left exhaust manifold heat shield.
  7. Lower the vehicle.
    8. Fig 3: View Of Left Exhaust Manifold, Gasket, Bolts And Nuts
    GM470679Courtesy of GENERAL MOTORS CORP.
  8. Remove the exhaust manifold bolt and nuts.
  9. Remove the exhaust manifold.
  10. Remove and discard the exhaust manifold gasket.
  11. If reusing the exhaust manifold, clean and inspect the exhaust manifold. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION .
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