2003 FORD MUSTANG engine

59. Remove the LH engine mount.
60. Remove the RH engine mount.
61. Remove the bolts and the oil pump.
62.
CAUTION: Do not stamp the top of pistons, as ring land damage can occur.
NOTE: Connecting rods and rod caps should be numbered to keep the correct orientation in the
following sequence.
Remove the connecting rod caps for piston number 1 and 6.
zDiscard the bolts. Klj . 18 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Cylinder Head
Disassembly
1. CAUTION: Do not place the cylinder head flat on the bench; the valves will bend.
CAUTION: Before disassembly begins, mark the valve position on the face of each valve being removed. The valves must be re - installed into the same positions. SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual 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) Compressor, Valve Spring, Air
Operated
134-
R0207 or equivalent Installer, Valve Stem Oil Seal
303-
383 (T91P-6571- A)
Material Item Specification
Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
112003 Mustang Workshop Manual
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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
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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
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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
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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
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ASSEMBLY
Engine
SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Guides, Connecting Rod
303-
442 (T93P-6136- A) Installer, Crankshaft Vibration
Damper
303-
102 (T74P-6316- B) Installer, Front Cover Oil Seal
303-
335 (T88T-6701- A) Installer, Crankshaft Rear Oil
Seal
303-
518 (T95P-6701- DH) Installer, Crankshaft Rear Oil
Slinger
303-
517 (T95P-6701- CH) Compressor, Valve Spring
(Intake)
303-
452 (T93P-6565- AR) Compressor, Valve Spring
(Exhaust)
303-
567 (T97P-6565- AH) Installer, Crankshaft Rear Oil
Seal Klj . 1 ba
302003 Mustang Workshop Manual
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Assembly
All vehicles
1. Record the main bearing code found on the front of the engine block.
2. Record the main bearing code found on the back of the crankshaft. 303-
516 (T95P-6701- BH) Compressor, Piston Ring
303-
D032 (D81L-6002- C) or
equivalent Holding Tool, Crankshaft
303-
448 (T93P-6303- A)
Material Item Specification
Metal Surface Cleaner
F4AZ-
19A536- RA or equivalent WSE-
M5B392-
A Silicone Gasket and Sealant
F7AZ-
19554- EA or equivalent WSE-
M4G323-
A4 Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Motorcraft Premium Gold
Engine Coolant VC-7-
A (in
Oregon VC-7- B) (yellow color) WSS-
M97B51-
A1 Klj . 2 ba
302003 Mustang Workshop Manual
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