FORD MUSTANG 2003 Workshop Manual

21. Install the safety clip.
22.
NOTE: The O-ring seal must be inspected and cleaned before installation. For additional
information, refer to Section 412 - 00 .
Connect the line to the receiver drier.
23. Install the safety clip.
24. Connect the degas sensor lead to the battery tray. Klj . 6 ba
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25. Connect the connector.
26. Install the battery leads.
27. Position the access cover.
28. Connect the ground connector. Klj . 7 ba
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29. Connect the connector.
30. Connect the fuse link.
31. Install and tighten the body ground.
32. Connect the power steering line. Klj . 8 ba
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33.
NOTE: The O-ring seal must be inspected and cleaned before installation. For additional
information, refer to Section 412 - 00 .
Install the A/C line.
34. Connect the A/C pressure cycle switch.
35. NOTE: The O-ring seal must be inspected and cleaned before installation. For additional
information, refer to Section 412 - 00 .
Connect the A/C manifold suction line. Klj . 9 ba
132003 Mustang Workshop Manual
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36. Install the safety clip to the manifold suction line.
37. Connect the electrical connector.
38. Connect the harness in three locations.
39. Connect the engine bulkhead connector. Klj . 10 ba
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40. Connect the heater water hoses.
41. Connect the climate control vacuum supply lines.
42. Position the cables and install the bracket.
43. Connect the throttle cable, speed control actuator cable and the return spring. Klj . 11 ba
132003 Mustang Workshop Manual
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44. Connect the upper radiator hose from the water outlet adapter.
45. Connect the fuel lines. For additional information, refer to Section 310
- 00 .
46. Install the battery. For additional information, refer to Section 414 - 01 .
47. Install the air cleaner and outlet tube. For additional information, refer to Section 303 - 12 .
48. Install the degas bottle. For additional information, refer to Section 303 - 03A or
Section 303 -
03B .
49. Fill the fluids to the correct levels.
50. Start the engine and check for leaks. Stop the engine and recheck the fluid levels.
51. Recharge the A/C system. For additional information, refer to Section 412 - 00 .
52. Install the hood. Klj . 12 ba
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Klj . 13 ba
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SPECIFICATIONS
SECTION 303-
01C: Engine — Cobra 4.6L (4V) 2003 Mustang Workshop Manual General Specifications
Item Specification
Lubricants and Sealants
Motorcraft Premium Engine Coolant VC-4-
A
(In Oregon VC- 5, In Canada CXC- 10) ESE-
M97B44- A Motorcraft Premium Gold Engine Coolant VC-7-
A
(In Oregon VC-7- B) WSS-
M97B51- A1 SAE 5W-
20 Engine Premium Synthetic Blend Engine Oil
XO- 5W20- QSP WSS-
M2C153- H Metal Surface Cleaner
F4AZ-
19A536- RA WSE-
M5B392- A Silicone Gasket and Sealant F7AZ-19554-
EA WSE-
M4G323- A4 Pipe Sealant with Teflon® D8AZ-19554-
A WSK-
M2G350- A2 Threadlock 262 E2FZ-19554-
B WSK-
M2G351- A6 Engine
Displacement 4.6L (4V) (281 CID)
Number of cylinders 8
Bore 90.2 mm (3.55 in)
Stroke 90.0 mm (3.54 in)
Firing order 1-3-7-2-6-5-4-
8 Oil pressure 138-310 kPa
Oil capacity
6 ±
0.25 a Compression ratio 8.5:1
Cylinder Head and Valve Train
Cylinder head gasket surface flatness 0.10 mm (0.004 inch) max. overall
Combustion chamber volume 52.6 ±
0.5 cm Valve arrangement (front to rear)
b
Intake (left hand): S-P-S-P-S-P-S-P
Valve arrangement (front to rear)
Exhaust (left hand): E-E-E-E-E-E-E-E
Valve arrangement (front to rear)
Intake (right hand): P-S-P-S-P-S-P-S
Valve arrangement (front to rear)
Exhaust (right hand): E-E-E-E-E-E-E-E
Valve guide bore diameter 7.015-
7.044 mm (0.2762- 0.2773 in) Valve stem diameter—
intake 6.975-
6.995 mm (0.2754- 0.2746 inch) Valve stem diameter—
exhaust 6.949-
6.970 mm (0.2744- 0.2736 inch) Valve stem-
to-guide clearance— intake 0.020-
0.069 mm (0.00078- 0.00272 inch) Valve stem-
to-guide clearance— exhaust 0.046-
0.094 mm (0.0018- 0.0037 in) Valve head diameter—
intake 37 mm (1.46 inch) Klj . 1 ba
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Valve head diameter—
exhaust 30 mm (1.18 inch)
Valve face runout 0.05 mm (0.002 in)
Valve face angle 45.5 degrees
Valve seat width—
intake 1.8-
2.2 mm (0.071- 0.086 inch) Valve seat width—
exhaust 1.8-
2.2 mm (0.071- 0.086 inch) Valve seat runout 0.05 mm (0.002 inch)
Valve seat angle 45 degrees
Valve spring free length—
intake 42.16 mm (1.6598 inch)
Valve spring free length—
exhaust 42.16 mm (1.6598 inch)
Valve spring squareness 2 degrees
Valve spring compression pressure—
intake 711.47 N @ 26.19 mm (159.9 lb-
ft @
1.031 inch) Valve spring compression pressure—
exhaust 711.47 N @ 26.19 mm (159.9 lb-
ft @
1.031 inch) Valve spring installed height 36.14 mm (1.4228 in)
Valve spring installed pressure—
intake 289.1 N @ 36.14 mm (64.99 lb-
ft @
1.4228 inch) Valve spring installed pressure—
exhaust 289.1 N @ 36.14 mm (64.99 lb-
ft @
1.4228 inch) Roller follower ratio 1.8:1
Hydraulic Lash Adjuster
Diameter 16.000-
15.988 mm (0.6299- 0.6294 inch) Clearance-
to-bore 0.018-
0.069 mm (0.000709- 0.002717
inch) Service limit 0.016 mm (1.0006299 inch)
Hydraulic leakdown rate
c 5-
25 seconds Collapsed lash adjuster gap 0.80-
1.20 mm (0.0315- 0.0472 inch) Camshaft
Theoretical valve lift @ 0 lash—
intake (primary and
secondary) 10.0 mm (0.3937 inch)
Theoretical valve lift @ 0 lash—
exhaust 10.0 mm (0.3937 inch)
Lobe lift 5.54 mm (0.218 in)
Allowable lobe lift loss 0.130 mm (0.0051 in)
Journal diameter 26.962-
26.936 mm (1.0615- 1.0605 inch) Camshaft journal bore inside diameter 27.012-
26.987 mm (1.0635- 1.0625 in) Camshaft journal-
to bearing clearance 0.025-
0.076 mm (0.00098- 0.002992
inch) Runout 0.025 mm (0.0010 in)
End play 0.025-
0.165 mm (0.00098- 0.00649 inch) Cylinder Block
Cylinder bore diameter 90.2-
90.239 mm Cylinder bore maximum taper 0.016 mm
Cylinder bore maximum out-of-
round 0.016 mm
Main bearing bore diameter 72.402-
72.422 mm Klj . 2 ba
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