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Cylinder Head On

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing/Installing Valve Spring
GC0001871Courtesy of DAIMLERCHRYSLER CORP.
1 - MD 998772A
2 - SPARK PLUG TUBES
3 - CYLINDER HEAD
4 - 6527 - ADAPTER
5 - VALVE SPRING RETAINER
  1. Disconnect negative battery cable.
  2. Remove upper intake manifold. (Refer to ENGINE/MANIFOLDS/INTAKE MANIFOLD - REMOVAL) .
  3. Remove cylinder head cover(s). Refer to appropriate cylinder head cover removal procedure.
  4. Remove rocker arm and shaft assembly. (Refer to ENGINE/CYLINDER HEAD/ROCKER ARM/ADJUSTER ASSY - REMOVAL) .
  5. Remove spark plugs.
  6. Rotate the crankshaft clockwise, until the number 1 piston is at Top Dead Center (TDC) on the compression stroke.
  7. With air hose attached to spark plug adapter installed in number 1 spark plug hole, apply 620.5 to 689 kPa (90 to 100 psi) air pressure. This is to hold valves into place while servicing components.
  8. Using Tool MD 998772A (1) with adapter 6527 (4) or equivalent, compress valve spring and remove valve locks (5). Release tension on valve spring, remove retainer (5) and valve spring. (Refer to ENGINE - SPECIAL TOOLS) . See Fig 1.
  9. Remove valve stem seal, if required. (Refer to ENGINE/CYLINDER HEAD/VALVE STEM SEALS - REMOVAL) .
  10. Follow the same procedure on the remaining 5 cylinders using the firing sequence 1-2-3-4-5-6. Make sure piston is at TDC in each cylinder of the valve spring that is being removed. 
  11. Remove spark plug adapter tool.
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