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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Left >> Removal Procedure

Removal Procedure

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  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim .
  2. Remove the generator bracket. Refer to GENERATOR .
  3. Remove the coolant air bleed pipe. Refer to COOLANT AIR BLEED PIPE ASSEMBLY REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) .
  4. Remove the left exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - LEFT (4.8L, 5.3L, 6.0L) or EXHAUST MANIFOLD REPLACEMENT-LEFT (4.3L) .
  5. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

    Important:  The cylinder head bolts are NOT reusable.

  6. Remove the cylinder head bolts.
    CAUTION: After removal, place the cylinder head on two wood blocks to prevent damage.
  7. Remove the cylinder head.
    Fig 1: Removing Bolts & Cylinder Head
    G02078505Courtesy of GENERAL MOTORS CORP.
  8. Remove the cylinder head gasket.
  9. Discard the gasket.
  10. Discard the cylinder head bolts.
  11. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
    Fig 2: Removing Cylinder Head Gasket
    G02078506Courtesy of GENERAL MOTORS CORP.
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