Ford 2003 Mustang Workshop Manual page 1533

SECTION 303-01C: Engine — Cobra 4.6L (4V)
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Cylinder Head
Special Tool(s)
Compressor, Valve Spring
(Exhaust Side)
303-567 (T97P-6565-AH)
Compressor, Valve Spring
(Intake Side)
303-452 (T93P-6565-AR)
Holding Tool, Camshaft
303-446 (T93P-6256-AHR)
Air Operated Valve Spring
Holder
134-R0207 or equivalent
Installer, Valve Stem Oil Seal
303-383 (T91P-6571-A)
Material
Item
Super Premium SAE 5W-20
Engine Oil
XO-5W20-QSP or equivalent
Disassembly
1. CAUTION: Do not place the cylinder head (6049) flat on the bench; the valves will
bend.
CAUTION: Before disassembly begins, mark the valve position on the face of each
Specification
WSS-M2C153-
H
2003 Mustang Workshop Manual