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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical (Repair Instructions -- 1 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Valve Lifter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the cylinder head and gasket. Refer to Cylinder Head Replacement - Left  or Cylinder Head Replacement - Right .
  2. Remove the valve lifter guide bolts.
    3. Fig 1: View Of Valve Lifter Guide Bolts
    GM832972Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve lifters and guide.
    4. Fig 2: View Of Valve Lifters & Guide
    GM832973Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Some valve lifters may be stuck in their bores because of gum or varnish deposits.
  4. Use J 3049-A  or equivalent in order to remove the valve lifters, if required.
    5. Fig 3: Using J 3049-A To Remove The Stuck Valve Lifters
    GM31350Courtesy of GENERAL MOTORS CORP.
  5. Remove the valve lifters from the guide.
    6. Fig 4: View Of Valve Lifters & Lifter Guides
    GM63233Courtesy of GENERAL MOTORS CORP.
  6. Organize or mark the components so that they can be installed in the same location from which they were removed.
  7. If required, clean and inspect the valve lifters. Refer to Valve Lifters and Guides Cleaning and Inspection .
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