Disassembly And Assembly

Using the special tool, compress the valve spring and remove the valve spring retainer keys.

Fig 1: Removing Valve Spring Retainer Keys Using Special Tool (303-163)

Courtesy of FORD MOTOR CO.

Remove the valve spring retainer and the valve spring.
- For component tests, refer to ENGINE SYSTEM - GENERAL INFORMATION article.

Fig 2: Locating Valve Spring & Valve Spring Retainer

Courtesy of FORD MOTOR CO.

Fig 3: Locating Valve Stem Seal

Courtesy of FORD MOTOR CO.

Remove the valve.
- For component tests, refer to ENGINE SYSTEM - GENERAL INFORMATION article.

Fig 4: Locating Valve

Courtesy of FORD MOTOR CO.

To assemble, reverse the disassembly procedure.
- Lubricate the valve stem and the valve seal with clean engine oil.