Removal and Installation

Remove the valve cover. For additional information, refer to VALVE COVER-RH and VALVE COVER-LH .
Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the intake valve and the exhaust valve closed.
CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location.
Remove the rocker arms.
1. Remove the bolts.
2. Remove the rocker arms.
  
  Fig 1: Identifying Rocker Arms Bolts
  Courtesy of FORD MOTOR CO.

CAUTION: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to CYLINDER HEAD LH or CYLINDER HEAD RH .

Hold the valve in the cylinder head.
- Remove the spark plug. For additional information, refer to SPARK PLUG .
- Apply a minimum of 689 kPa (100 psi) of compressed air to the cylinder.
Using the special tool, compress the valve springs.

Fig 2: Compressing Valve Springs
Courtesy of FORD MOTOR CO.
Remove the following:
1. Remove the valve spring retainer key.
2. Remove the valve spring retainer.
3. Remove the valve spring.
4. Remove and discard the valve stem seal.
5. Remove the valve spring seat.
  
  Fig 3: Removing Valve Spring Seat
  Courtesy of FORD MOTOR CO.
Inspect the components. For additional information, refer to ENGINE SYSTEM-GENERAL INFORMATION .

NOTE: Lubricate the parts with clean engine oil prior to assembly.