Ford 2003 Mustang Workshop Manual page 1686

SECTION 303-01D: Engine — Mach I 4.6L (4V)
IN-VEHICLE REPAIR
Valve —Springs, Retainer and Valve Stem Seal
Special Tool(s)
Compressor, Valve Spring
303-452 (T93P-6565-AR)
Installer, Valve Stem Oil Seal
303-383 (T91P-6571-A)
Compressor, Valve Spring
303-567 (T97P-6565-AH)
Spacer, Valve Spring
Compressor
303-382 (T91P-6565-AH)
Removal
1. Remove the roller followers. For additional information, refer to
2. Remove the spark plugs. For additional information, refer to
3. Position the piston of the cylinder being serviced at the bottom of the stroke.
4. CAUTION: If air pressure has forced the piston to the bottom of the cylinder any
loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be
removed support the valve prior to removal.
Use compressed air in the cylinder to hold both valves in position.
2003 Mustang Workshop Manual
Roller Followers in this section.
Section 303-07C .