LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 752 (Engine Mechanical - 3.1L (Unit Repair)) >> Repair Instructions >> Cylinder Head Disassemble

Cylinder Head Disassemble

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

Tools Required 

J 38606  Valve Spring Compressor

Important:  Ensure that the valve train components are marked, organized or sorted when disassembling the cylinder head. Install the valve train components in the original location from which the components were removed.

  1. Remove the fuel line bracket bolt and stud.
  2. Remove the fuel line bracket.
    Fig 1: Removing Fuel Line Bracket
    G01811165Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not damage the valve guide. Remove any burrs that have formed at the key groove by chamfering the valve stem with an oil stone or a file.
  3. Compress the valve springs using the J 38606  .
    Fig 2: Compressing Valve Springs
    G01811166Courtesy of GENERAL MOTORS CORP.
  4. Remove the valve spring cap keys.
  5. Remove the valve spring caps.
  6. Remove the valve springs.
  7. Remove the valves.
  8. Remove the valve stem oil seals and spring seats as an assembly.
Fig 3: Identifying Valve Spring Caps, Springs & Valves
G01811167Courtesy of GENERAL MOTORS CORP.