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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 721 (Engine Mechanical - 8.1L (On-Vehicle)) >> Repair Instructions >> Valve Rocker Arm and Push Rod Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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.
    Fig 1: View Of Valve Rocker Arms
    GM470899Courtesy of GENERAL MOTORS CORP.
  1. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left  and/or Valve Rocker Arm Cover Replacement - Right .
  2. Remove the valve rocker arm nuts, the valve rocker arm balls, and valve rocker arms.
    3. Fig 2: View Of Intake & Exhaust Valve Pushrods
    GM470903Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The exhaust valve pushrods (2) are longer than the intake valve pushrods (1).
  3. Remove the valve pushrods.
    4. Fig 3: View Of Valve Rocker Arm Studs & Pushrod Guides
    GM470906Courtesy of GENERAL MOTORS CORP.
  4. Remove the valve rocker arm studs and pushrod guides.
  5. Clean and inspect the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rods Cleaning and Inspection in Engine Mechanical - 8.1L Unit Repair.
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