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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical (Repair Instructions -- 2 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 2) >> Cylinder Head Removal - Left

Cylinder Head Removal - Left

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  1. Remove the spark plugs from the cylinder head.
    2. IMPORTANT: The cylinder head bolts can NOT be used again. Install NEW cylinder head bolts during assembly.
  2. Remove the cylinder head bolts.
    3. NOTE: After removal, place the cylinder head on two wood blocks to prevent damage to the sealing surfaces.
  3. Remove the cylinder head.
    4. Fig 1: View Of Cylinder Head & Bolts (Left)
    GM260146Courtesy of GENERAL MOTORS CORP.
  4. Remove the gasket.
  5. Discard the gasket.
    6. Fig 2: View Of Left Cylinder Head Gasket & Locator Pins
    GM63169Courtesy of GENERAL MOTORS CORP.
  6. Discard the cylinder head bolts.
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