oil FORD MUSTANG 2003 Workshop Manual

17. Remove the throttle body bolts.
18.
NOTE: The gasket is reusable if not damaged.
Remove the throttle body and adapter as an assembly. zInspect and clean the sealing surfaces.
19. Remove the ignition coils.
20. Remove the radio interference capacitors. Klj . 7 ba
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34. Remove the oil filter adapter.
1. Remove the oil bypass filter.
2. Remove the bolts.
3. Remove the oil filter adapter.
4. Clean and inspect the sealing surfaces.
35. Remove the LH exhaust manifold. 1. Remove the exhaust manifold nuts.
2. Remove the exhaust manifold.
3. Remove the exhaust manifold gasket and discard.
36. Disconnect the exhaust recirculation (EGR) tube (9D477) at the exhaust manifold. Klj . 12 ba
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37. Remove the RH exhaust manifold.
1. Remove the exhaust manifold nuts.
2. Remove the exhaust manifold.
3. Remove the exhaust manifold gasket and discard.
38. Clean and inspect the exhaust manifolds. For additional information, refer to Section 303 - 00 .
39. Remove the oil level indicator tube bolt.
40. Remove the bolt and the oil level indicator tube. Klj . 13 ba
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47. Remove the water pump pulley.
1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.
48. Remove the bolts and belt idler pulleys.
49. NOTE: The gasket can be reused if not damaged.
Remove the oil pan. zRemove the bolts.
z Remove the oil pan. Klj . 16 ba
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57.
CAUTION: New cylinder head bolts must be installed. They are tighten- to-yield
designed and cannot be reused.
CAUTION: Place cylinder head on cardboard or wood surface to prevent damage to
the joint face.
Remove the RH and LH cylinder heads. 1. Remove the bolts.
2. Remove the cylinder heads.
58. CAUTION: Do not use metal scrappers, wire brushes, power abrasive discs or other
abrasive means to clean gasket surfaces. These tools cause scratches and gouges that
make leak paths. Use a plastic scrapping tool to remove all traces of the head gasket
(6051).
Clean and inspect all of the sealing surfaces. For additional information, refer to Section 303 -
00 .
59. Remove the oil pump screen cover and tube, and the spacer. Klj . 20 ba
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60. Remove the oil pump.
61.
CAUTION: Do not stamp the top of pistons, as ring land damage can occur.
NOTE: Connecting rods and rod caps should be numbered to retain correct orientation.
Remove the connecting rod caps for piston numbers 1 and 6. zDiscard the bolts. Klj . 21 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Cylinder Head
Disassembly
1. Install the special tool.
2. Using the special tool, remove the roller followers.
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-381(T91P-6565-
A) Compressor Spacer, Valve
Spring
303-
382 (T91P-6565- AH) Installer, Valve Stem Oil Seal
303-
383 (T91P-6571- A)
Material Item Specification
Super Premium SAE 5W-20
Motor Oil
5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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7. Remove the camshaft (6250).
8. Remove the valve stem seals.
Assembly 1. NOTE: Lubricate all moving parts with clean engine oil prior to assembly. To install, reverse the removal procedure. Klj . 3 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Piston
Disassembly
1. Press the piston pin out of the connecting rod and piston assembly.
2. Remove the connecting rod from the piston.
3. 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.
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 Klj . 1 ba
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2. Press the piston into the piston and connecting rod assembly.
3. Install the piston rings.
1. Using a suitable ring expander tool install the upper compression ring with the top side identification mark towards the dome.
2. Using a suitable ring expander tool install the lower compression ring with the top side
identification mark towards the dome.
3. NOTE: Assemble with end gaps up.
Using a suitable tool install the piston oil control segment ring spacer.
4. NOTE: Install one segment ring above and one segment ring below the spacer.
Using a suitable tool install the piston oil control segment rings.
5. Orient the upper compression ring gap to the center line at the rear of the piston, parallel to the wrist pin bore.
6. Orient the oil control ring gaps as shown.
7. Orient the expander ring gap and lower compression ring gap as shown. Klj . 2 ba
32003 Mustang Workshop Manual
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