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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Rocker Arm and Push Rod Removal

Valve Rocker Arm and Push Rod Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Mark, organize and sort the cylinder head components. Return the components to their original location during reassembly. Make an organizer rack from a piece of wood.
  1. Remove the valve rocker arm nuts, the valve rocker arm balls and the valve rocker arms.
    2. Fig 1: View Of Valve Rocker Arms
    GM470899Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The exhaust valve push rods (2) are longer than the intake valve push rods (1).
  2. Remove the valve push rods.
    3. Fig 2: View Of Intake & Exhaust Valve Pushrods
    GM470903Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve rocker arm studs and push rod guides.
    4. Fig 3: View Of Valve Rocker Arm Studs & Pushrod Guides
    GM470906Courtesy of GENERAL MOTORS CORP.
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