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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1075 (Engine Mechanical - 6.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (3 Of 4) >> Cylinder Head Disassemble >> Disassemble

Cylinder Head Disassemble: Disassemble

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Compressing Valve Spring Using J 8062
    GM663501Courtesy of GENERAL MOTORS CORP.
  1. Use the J 8062  to compress the valve spring.
  2. Fig 2: View Of Valve Stem Oil Seal & Valve Spring
    GM663504Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve keys (1).
  4. Remove the J 8062  from the cylinder head.
  5. Remove the valve spring upper seat (2).
  6. Remove the valve spring (3).
  7. Remove the valve (6).
  8. Remove the valve stem seal (4) using J 38820  . See Special Tools .
  9. Remove the valve spring lower seat (5).