LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 5 Of 12) >> Repair Instructions >> Cylinder Head Overhaul >> Disassemble Procedure

Disassemble Procedure

  1. GM5577620Courtesy of GENERAL MOTORS COMPANY

    EN-8062  Valve Spring Compressor (1) - Install

  2. Valve Stem Key (2) - Remove [ 8x ]
  3. Valve Spring Cap (3) - Remove [ 8x ]
    4. 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.

  4. Valve Spring (4) - Remove [ 8x ]
  5. Valve Stem Oil Seal (5) - Remove and DISCARD [ 8x ]
  6. Intake Valve (6) - Remove [ 4x ]
  7. Exhaust Valve (7) - Remove [ 4x ]
scientia non olet · About LEMON Manuals