LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1392 (Engine Mechanical - 4.3L) >> Repair Instructions - Off Vehicle >> Cylinder Head Disassemble >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Compressing Valve Springs
    GM480554Courtesy of GENERAL MOTORS CORP.
    WARNING: Compressed valve springs have high tension against the valve spring compressor. Valve springs that are not properly compressed by or released from the valve spring compressor can be ejected from the valve spring compressor with intense force. Use care when compressing or releasing the valve spring with the valve spring compressor and when removing or installing the valve stem keys. Failing to use care may cause personal injury.
    WARNING: Refer to Safety Glasses Warning .
  1. Use the J 8062:  compressor in order to compress the valve springs.
    2. Fig 2: Identifying Valve Components
    GM480555Courtesy of GENERAL MOTORS CORP.
    NOTE: Mark, sort, and organize the components so that the components can be reinstalled in their original location and position.
  2. Remove the valve stem keys (1).
  3. Remove the J 8062:  compressor from the cylinder head.
  4. Remove the valve spring cap (2).
  5. Remove the valve spring (3).
  6. Remove the valve stem oil seal (4).
  7. Discard the valve stem oil seal.
  8. Remove the valve.
scientia non olet · About LEMON Manuals