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Cylinder Head On

Fig 1: Valve Spring - Removal/Installation
GC0021206Courtesy of DAIMLERCHRYSLER CORP.
1 - VALVE SPRING COMPRESSOR MD 998772A
2 - AIR HOSE
  1. Remove cylinder head cover (Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)  .
  2. Remove camshafts (Refer to ENGINE/CYLINDER HEAD/CAMSHAFT(S) - REMOVAL)  .
  3. Rotate crankshaft until piston is at TDC on compression.
  4. With air hose attached to Cylinder Compression Pressure Adapter 8116 installed in spark plug hole (2), apply 90-120 psi air pressure.
  5. Using Valve Spring Compressor MD-998772-A (1) with Valve Spring Compressor Adapter 6779, compress valve springs and remove valve locks. See Fig 1.
    Fig 2: Valve Seal and Spring
    GC0042796Courtesy of DAIMLERCHRYSLER CORP.
    1 - VALVE LOCKS
    2 - VALVE RETAINER
    3 - VALVE SPRING
    4 - VALVE STEM SEAL
    5 - VALVE STEM
  6. Remove Valve Spring Compressor Adapter 6779 and remove valve retainer (2).
  7. Remove valve spring(s) (3).
  8. Remove valve stem seal(s) (4). See Fig 2.
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