2003 FORD MUSTANG engine

17. Remove the bolts and the belt idler pulleys.
18. Remove the engine front cover bolts and the studs.
zDiscard the gaskets. Clean and inspect the sealing surfaces.
Installation 1. Apply silicone gasket and sealant in the locations shown.
2. Install the engine front cover. Klj . 4 ba
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20. Fill the crankcase with clean engine oil. Klj . 9 ba
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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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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
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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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