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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Mechanical - 3.8L) >> Repair Instructions - Off Vehicle >> Cylinder Head Disassemble >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    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.
  2. Remove the valve keys.
  3. Remove the valve cap and spring.
  4. Remove the valve stem oil seal by prying up on the bottom.
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