Page 1297 of 4378
Klj . 24 ba
242003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1298 of 4378
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Cylinder Head
Disassembly
1. Install the special tool.
2. Using the special tool, remove the roller followers.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-381(T91P-6565-
A) Compressor Spacer, Valve
Spring
303-
382 (T91P-6565- AH) Installer, Valve Stem Oil Seal
303-
383 (T91P-6571- A)
Material Item Specification
Super Premium SAE 5W-20
Motor Oil
5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
42003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1299 of 4378
3. Using the special tool, compress the valve spring.
4. Remove the valves.
1. Remove the valve spring retainer keys.
2. Remove the valve spring retainers.
3. Remove the valve spring.
4. Remove the valves.
5. Remove the hydraulic lash adjusters.
6. Remove the bolts and the camshaft bearing caps. Klj . 2 ba
42003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1300 of 4378
7. Remove the camshaft (6250).
8. Remove the valve stem seals.
Assembly 1. NOTE: Lubricate all moving parts with clean engine oil prior to assembly. To install, reverse the removal procedure. Klj . 3 ba
42003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1301 of 4378
Klj . 4 ba
42003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1302 of 4378
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Piston
Disassembly
1. Press the piston pin out of the connecting rod and piston assembly.
2. Remove the connecting rod from the piston.
3. Clean and inspect the piston and connecting rod. For additional information, refer to Section 303 - 00 .
Assembly 1. NOTE: Connecting rod must be installed into piston with identification markings toward front.
Position the connecting rod in the piston.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Material
Item Specification
Super Premium SAE 5W-20
Motor Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1303 of 4378
2. Press the piston into the piston and connecting rod assembly.
3. Install the piston rings.
1. Using a suitable ring expander tool install the upper compression ring with the top side identification mark towards the dome.
2. Using a suitable ring expander tool install the lower compression ring with the top side
identification mark towards the dome.
3. NOTE: Assemble with end gaps up.
Using a suitable tool install the piston oil control segment ring spacer.
4. NOTE: Install one segment ring above and one segment ring below the spacer.
Using a suitable tool install the piston oil control segment rings.
5. Orient the upper compression ring gap to the center line at the rear of the piston, parallel to the wrist pin bore.
6. Orient the oil control ring gaps as shown.
7. Orient the expander ring gap and lower compression ring gap as shown. Klj . 2 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...
Page 1304 of 4378
Klj . 3 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...