engine FORD MUSTANG 2003 Workshop Manual

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
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IN-
VEHICLE REPAIR
Hydraulic Lash Adjuster
Removal and Installation 1. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
2. Remove the eight hydraulic lash adjusters.
3. Inspect the lash adjusters. For additional information, refer to Section 303 - 00 .
4. To install, reverse the removal procedure.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Klj . 1 ba
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IN-
VEHICLE REPAIR
Camshaft Roller Follower
Removal 1. Remove the valve cover. For additional information, refer to Valve Cover LH or
Valve Cover RH in this section.
2. Position the piston of the cylinder being serviced at the bottom of the stroke and the camshaft lobe at base circle.
3. Using the special tool compress the intake valve spring.
4. Remove the roller follower from the intake valve.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
(Intake)
303-
452 (T93P-6565- AR) Compressor, Valve Spring
(Exhaust)
303-
567 (T97P-6565- AH) Klj . 1 ba
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IN-
VEHICLE REPAIR
Camshaft
Removal and Installation 1. Remove the timing chains. For additional information, refer to Timing Drive Components in this
section.
2. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
3. Remove the bolts and camshaft bearing caps.
4. Remove the camshaft.
5. NOTE: Tighten the camshaft bearing cap bolts in the sequence shown.
To install, reverse the removal procedure.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Klj . 1 ba
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IN-
VEHICLE REPAIR
Exhaust Manifold RH
Removal and Installation 1. Install the special tool.
2. Install the special tools.
3. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
4. Remove the LH and RH side engine mount nuts. SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Lifting Bracket, Engine
303-
D088 (D93P-6001- A2) Support Bar, Engine
303-
290- A Klj . 1 ba
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5. Lower the vehicle.
6. Using the special tools, raise the engine.
7. Remove the air cleaner outlet tube. For additional information, refer to
Section 303 - 12 .
8. Raise and support the vehicle.
9. Remove the starter motor. For additional information, refer to Section 303 - 06 .
10. Separate the exhaust at the exhaust manifold. For additional information, refer to Section 309 -
00 .
11. Remove the exhaust manifold. 1. Remove the exhaust manifold nuts.
2. Remove the exhaust manifold.
3. Remove the exhaust manifold gasket and discard.
12. NOTE: Tighten the exhaust manifold nuts in the sequence shown.
To install, reverse the removal procedure. Klj . 2 ba
32003 Mustang Workshop Manual
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IN-
VEHICLE REPAIR
Exhaust Manifold LH
Removal and Installation 1. Install the special tool.
2. Install the special tools.
3. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
4. Remove the LH and RH side engine mount nuts. SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Lifting Bracket, Engine
303-
D088 (D93P-6001- A2) Support Bar, Engine
303-
290- A Klj . 1 ba
32003 Mustang Workshop Manual
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5. Lower the vehicle.
6. Using the special tools, raise the engine.
7. Raise the vehicle.
8. Separate the exhaust at the exhaust manifold. For additional information, refer to
Section 309 -
00 .
9. Disconnect the exhaust gas recirculation (EGR) tube at the exhaust manifold.
10. Remove the exhaust manifold. 1. Remove the exhaust manifold nuts.
2. Remove the exhaust manifold.
3. Remove the exhaust manifold gasket. Klj . 2 ba
32003 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
32003 Mustang Workshop Manual
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