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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Cylinder Head Disassemble

Cylinder Head Disassemble

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 38606  Valve Spring Compressor. See Special Tools and Equipment .

    Fig 1: Compressing Valve Spring
    GM187057Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: During disassembly, ensure the valve train components are kept together and identified so they can be reinstalled in their original locations and with the same mating surfaces as when removed.
  1. Use J 38606  to compress the valve spring.
  2. Fig 2: View Of Valve In Cylinder Head
    GM42226Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve keys.
  4. Remove the valve cap and spring.
  5. Remove the valve stem oil seal by prying up on the bottom.