2003 FORD MUSTANG engine oil

46. Remove the nut and the wiring harness bracket.
47. Remove the nuts and position the wiring harness aside.
48. Disconnect the oil pressure sensor.
49. Remove the nut and the engine ground cable.
50. Disconnect the hose from the oil filter adapter. Klj . 12 ba
192003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

DISASSEMBLY
Engine
SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Impact Slide Hammer
100-
001 (T50T-100- A) Remover, Crankshaft Vibration
Damper
303-
009 (T58P-6316- D) Holding Tool, Crankshaft
303-
448 (T93P-6303- A) Guides, Connecting Rod
303-
442 (T93P-6136- A) Remover, Crankshaft Rear Oil
Seal
303-
519 (T95P-6701- EH) Remover, Crankshaft Rear Oil
Slinger
303-
514 (T95P-6701- AH) Compressor, Valve Spring
(Intake)
303-
452 (T93P-6565- AR) Compressor, Valve Spring
(Exhaust) Klj . 1 ba
212003 Mustang Workshop Manual
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24. Disconnect the four RH fuel injector electrical connectors.
25. Disconnect the engine coolant temperature (ECT) sensor.
26. Disconnect the RH ignition coils.
27. Remove the eight ignition coils. Klj . 8 ba
212003 Mustang Workshop Manual
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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
212003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

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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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~ ...

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~ ...