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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1537 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1 >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: MAP Sensor Vacuum Hose & MAP Sensor Electrical Connector
    GM651870Courtesy of GENERAL MOTORS CORP.
  1. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  2. Remove the engine coolant air bleed pipe and covers. Refer to Coolant Air Bleed Pipe Assembly Replacement in Engine Cooling.
  3. Remove the generator bracket. Refer to Generator Bracket Replacement in Engine Electrical.
  4. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Left in Engine Exhaust.
  5. Remove the engine wiring harness ground bolt (5) from the rear of the left cylinder head.
  6. Reposition the engine wire harness ground strap (6) away from the cylinder head.
    7. Fig 2: View Of Cylinder Head & Bolts (Left)
    GM260146Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The cylinder head bolts are NOT reusable.
    NOTE: After removal, place the cylinder head on two wood blocks to prevent damage to the sealing surfaces.
  7. Remove the cylinder head bolts.
  8. Remove the cylinder head.
    9. Fig 3: View Of Left Cylinder Head Gasket & Locator Pins
    GM63169Courtesy of GENERAL MOTORS CORP.
  9. Remove the cylinder head gasket.
  10. Discard the gasket.
  11. Discard the M11 cylinder head bolts.
  12. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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