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Valve Spring - Cylinder Head On

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 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 CHRYSLER LLC
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. See REMOVAL .
  3. Remove cylinder head cover(s). See REMOVAL .
  4. Remove rocker arm and shaft assembly. See 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. See SPECIAL TOOLS . . See Fig 1.
  9. Remove valve stem seal, if required. See 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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