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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 994 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Cylinder Head Disassemble

Cylinder Head Disassemble

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 8062  Valve Spring Compressor

J 38820  Valve Stem Oil Seal Remover

    Fig 1: Compressing Valve Spring Using J 8062
    GM663501Courtesy of GENERAL MOTORS CORP.
  1. Use the J 8062  to compress the valve spring.
  2. Remove the valve keys (1).
  3. Remove the J 8062  from the cylinder head.
  4. Remove the valve spring upper seat (2).
  5. Remove the valve spring (3).
  6. Remove the valve (6).
  7. Remove the valve stem seal (4) using J 38820  .
  8. Remove the valve spring lower seat (5).
    9. Fig 2: View Of Valve Stem & Spring Components
    GM663504Courtesy of GENERAL MOTORS CORP.
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