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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Exhaust Manifold Removal - Left

Exhaust Manifold Removal - Left

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: 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 spark plug wires from the spark plugs.
    1. Rotate the spark plug wire boot one half turn.
    2. Pull outward on the spark plug wire boot to release from the spark plug.
  2. Remove the spark plug wires from the spark plug wire retainers.
  3. Remove the exhaust manifold bolts and the stud.
  4. Remove the spark plug wire shields, if applicable, and the exhaust manifold.
    Fig 1: Removing Bolts, Stud, Spark Plug Wire Shields & Exhaust Manifold
    G02077953Courtesy of GENERAL MOTORS CORP.
  5. Remove and discard the exhaust manifold gaskets.
    Fig 2: Removing Exhaust Manifold Gaskets
    G02077954Courtesy of GENERAL MOTORS CORP.
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