2003 FORD MUSTANG oil

IN-
VEHICLE REPAIR
Timing Drive Components
Removal CAUTION: Since the engine is not free- wheeling, timing procedures must be followed
exactly or piston and valve damage can occur.
1. Remove the engine front cover. For additional information, refer to Engine Front Cover in this
section.
2. Remove the crankshaft sensor ring from the crankshaft. 3. Disconnect the eight ignition coil electrical connectors. SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-
567 (T97P-6565- AH) Holding Tool, Crankshaft
303-
448 (T93P-6303- A) Aligner, Camshaft Position
303-
557 (T96T-6256- B) Klj . 1 ba
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4. Remove the bolts and the eight ignition coils.
5.
NOTE: Use compressed air to remove any foreign material from the spark plug wells before
removing the spark plugs.
Remove the spark plugs.
6. NOTE: Rotate the camshaft to the base circle of the camshaft lobe before removing the
followers. Keep the roller followers in order when removing.
Using the special tool, remove the 16 roller followers.
zRotate the crankshaft and camshaft as necessary. Klj . 2 ba
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19. Install the eight ignition coils and bolts.
20. Connect the eight ignition coil electrical connectors.
21. Install the crankshaft sensor ring on the crankshaft.
22. Install the engine front cover. For additional information, refer to
Engine Front Cover in this
section. Klj . 12 ba
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IN-
VEHICLE REPAIR
Valve Seals
Removal and Installation 1. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
2. Remove the spark plug (12405) from the applicable cylinder.
3. Position the piston (6102) 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. 5. Using the special tool, compress the valve spring (6513). SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Valve Spring Compressor
303-
452 (T93P-6565- AR) Valve Stem Seal Replacer
303-
383 (T91P-6571- A) Compressor, Valve Spring
(Exhaust)
303-
567 (T97P- 6565- AH)
Material Item Specification
Super Premium SAE 5W-20
Motor Oil
XO- 5W20- QSP WSS-
M2C153-
H Klj . 1 ba
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6.
NOTE: Valve stem seals should be visually inspected if not installing new seals.
Remove the valve stem seals. 1. Remove the valve spring retainer keys.
2. Remove the valve spring retainers.
3. Remove the valve springs.
4. Remove the valve stem seals.
7. NOTE: Lubricate the lip of the new seal with clean engine oil prior to installation.
To install, reverse the removal procedure. Klj . 2 ba
22003 Mustang Workshop Manual
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IN-
VEHICLE REPAIR
Oil Filter Adapter
Removal and Installation 1. Drain the cooling system. For additional information, refer to Section 303 - 03A or
Section 303 -
03B .
2. Disconnect the lower radiator hose.
3. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
4. Drain the engine oil.
5. Disconnect the oil pressure sensor electrical connector.
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 Premium Engine Coolant
VC-
4A (In Canada CXC- 10; In
Oregon VC- 5) or equivalent ESE-
M97B44-
A Klj . 1 ba
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6. Remove the oil pressure sensor.
7. Remove the oil filter adapter (6881).
1. Remove the oil bypass filter.
2. Remove the bolts.
3. Remove the oil filter adapter.
4. Clean and inspect the sealing surfaces.
8. To install, reverse the removal procedure. 9. Tighten the oil pressure sensor in two stages. Klj . 2 ba
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IN-
VEHICLE REPAIR
Oil Level Indicator and Tube
Removal and Installation 1. Remove the oil level indicator.
2. Remove the LH exhaust manifold. For additional information, refer to Exhaust Manifold LH in
this section.
3. Remove the bolt.
4. Remove the oil level indicator tube.
5. To install, reverse the removal procedure. zInstall a new oil level indicator tube seal.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
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