2003 FORD MUSTANG oil

19. Install the crankshaft front oil seal. For additional information, refer to
Crankshaft Front Oil Seal in this section.
20. Position the cooling fan and shroud in the installed position.
21. Install the RH cooling fan bolt.
22. Install the LH cooling fan bolt.
23. Attach the cooling fan wiring harness to the fan shroud. Klj . 16 ba
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32. Position the oil level indicator tube and install the bolt.
33. Install the LH ignition coils.
34. Connect the LH ignition coil electrical connectors.
35. Install the LH coil cover and install the bolts. Klj . 19 ba
212003 Mustang Workshop Manual
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Manual transmission vehicles
36. Install the clutch release cable screws.
All vehicles 37. Install the RH valve cover. For additional information, refer to Valve Cover RH in this section.
38. Install the Hydro- Boost brake booster. For additional information, refer to Section 206 - 07 .
39. Install the air intake scoop bracket. For additional information, refer to Section 303 - 12 .
40. Fill the crankcase with clean engine oil. Klj . 20 ba
212003 Mustang Workshop Manual
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IN-
VEHICLE REPAIR
Valve — Springs, Retainer and Valve Stem Seal
Removal 1. Remove the roller followers. For additional information, refer to Roller Followers in this section.
2. Remove the spark plugs. For additional information, refer to Section 303 - 07C .
3. Position the piston of the cylinder being serviced at the bottom of the stroke.
4. CAUTION: If air pressure has forced the piston to the bottom of the cylinder any
loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be
removed support the valve prior to removal. Use compressed air in the cylinder to hold both valves in position. SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-
452 (T93P-6565- AR) Installer, Valve Stem Oil Seal
303-
383 (T91P-6571- A) Compressor, Valve Spring
303-
567 (T97P-6565- AH) Spacer, Valve Spring
Compressor
303-
382 (T91P-6565- AH) Klj . 1 ba
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Remove the valve spring retainer keys, the valve spring retainer, the valve spring and the valve
stem seal.
Installation 1. Using the special tools, install the new intake valve stem seals.
2. Using the special tools, install the new exhaust valve stem seals.
3. Install the Valve Spring Compressor Spacer between the valve spring coils to protect the intake valve stem seal from damage. Klj . 3 ba
52003 Mustang Workshop Manual
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4. Using the special tool, install the intake valve spring, the spring retainer and the valve spring
retainer keys.
5. Install the Valve Spring Compressor Spacer between the valve spring coils to protect the intake valve stem seal from damage.
6. Using the special tool, install the exhaust valve spring, the spring retainer and the valve spring retainer keys.
7. Remove the compressed air hose from the cylinder.
8. Install the spark plugs. For additional information, refer to Section 303 - 07C .
9. Install the roller followers. For additional information, refer to Roller Followers in this section. Klj . 4 ba
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IN-
VEHICLE REPAIR
Camshaft
Removal 1. Remove the roller followers. For additional information, refer to Roller Followers in this section.
2. Remove the LH timing chain for the LH side and both timing chains for the RH side. For additional information, refer to Timing Drive Components in this section.
3. Install the special tool.
4. Remove the exhaust camshaft sprocket and the intake camshaft bolt, washer and spacer.
SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Holding Tool, Camshaft
303-
446 (T93P-6256- AHR)
Material Item Specification
Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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Installation
1. NOTE: LH shown; RH similar.
Install the camshafts. zLubricate the camshafts with clean engine oil.
2. Install the camshaft bearing cap assemblies and tighten the bolts in the sequence shown. Klj . 4 ba
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