FORD MUSTANG 2003 Workshop Manual

13. Remove the valve stem seals.
14.
CAUTION: The outer bolts on the outer cam bearing cap (exhaust) are longer and
must be returned to the same location or engine damage may occur.
NOTE: Identify the camshaft- to-cylinder head location. Caps are not interchangeable.
Remove the bolts and the camshaft bearing cap assemblies. Klj . 5 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

15. Remove the camshafts.
Assembly 1. Install the valve stem seals.
2. Install the valves and the valve springs.
3. CAUTION: Make sure the tool is seated correctly on the valve spring. Apply a small
amount of air at a time. This will prevent the tool from shifting and causing damage to
the cylinder head.
Install the air- operated spring compressor on the cylinder head. Klj . 6 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

4. Compress the valve spring compressor and install the key on the valves.
5.
NOTE: LH is shown, RH is similar.
Install the camshafts. zLubricate the camshafts with clean engine oil.
6. Install the camshaft bearing cap assemblies. Klj . 7 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

7. Install the hydraulic lash adjusters.
8. Install the roller followers.
1. Install the special tool on the valve spring.
2. Compress the spring and install the roller follower.
9. Repeat the previous step for the remaining roller followers.
10. NOTE: LH tensioner is shown, RH tensioner is similar. Klj . 8 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

Install the tensioner.
11. CAUTION: Timing marks must be at 12 o'clock and indexed at 6 o'clock.
Install the camshaft sprockets and the chain as an assembly.
12. Install the special tool.
13. Install the camshaft spacer, washer and bolt, and hand- tighten the bolt. Klj . 9 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

14. Install the camshaft sprocket, washer and bolt, and hand-
tighten the bolt.
15. Tighten the bolts in two stages: zStage 1: Tighten to 40 Nm (30 lb- ft).
z Stage 2: Tighten and additional 90 degrees.
16. Remove the special tool. Klj . 10 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

Klj . 11 ba
112003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Piston —
Pin Connecting Rod, Floating Pin
Disassembly 1. Remove the clips.
2. Remove the piston pin from the piston and connecting rod assembly.
3. Remove the connecting rod from the piston.
SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Material
Item Specification
SAE 5W-
20 Premium Synthetic
Blend Engine Oil
XO- 5W20- QSP WSS-
M2C153-
H Klj . 1 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

4. 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.
2. Lubricate the piston pin and pin bore with clean engine oil.
3. Install the piston pin in the piston and connecting rod assembly. Klj . 2 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

4. Install the piston pin retaining clips in the piston. Klj . 3 ba
32003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...