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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (Engine Mechanical - 4.0L (Unit Repair)) >> Repair Instructions >> Cylinder Head Removal - Left >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

J 28410  Gasket Remover

  1. Remove the 3 M6 external drive bolts from the front portion of the cylinder head.

    Important:  DO NOT reuse the M11 cylinder head bolts.

  2. Remove and discard the 10 M11 internal drive cylinder head bolts.
    Fig 1: Removing External Drive Bolts
    G01815814Courtesy of GENERAL MOTORS CORP.
  3. Remove the left cylinder head. Make sure that no dowel guide pins are stuck in the cylinder head.

    Important:  You must clean the thread sealant material from the cylinder head bolt holes in the cylinder block. Failure to do so could cause false torque readings during reassembly.

  4. After removing the cylinder head, remove any remaining bolt thread sealant material from the threaded cylinder block holes.
    Fig 2: Removing Left Cylinder Head
    G01815815Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT reuse the cylinder head gasket.

  5. Remove the left cylinder head gasket.
  6. Remove all remaining gasket material from the cylinder head and cylinder block using the J 28410. 
  7. Place the cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.
    Fig 3: Removing Left Cylinder Head Gasket
    G01815816Courtesy of GENERAL MOTORS CORP.
  8. Remove the cylinder head locating pins.
    Fig 4: Removing Cylinder Head Locating Pins
    G01815817Courtesy of GENERAL MOTORS CORP.