oil FORD MUSTANG 2003 Workshop Manual

z
Stage 3: Tighten an additional 60 degrees.
29. Install the belt idler pulleys.
30. Lubricate the engine front cover and the front oil seal inner lip with clean engine oil.
31. Using the special tool, install the front oil seal.
32. Install the coolant pump pulley and bolts. Klj . 12 ba
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36. Install the RH engine mount.
37.
NOTE: Only three bolts are required for installation.
Install the power steering pump bolts. zPosition the power steering pump.
z Install the bolts.
38. Install the special tool between the valve spring coils to prevent valve stem seal damage. Klj . 14 ba
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39.
NOTE: Lubricate the camshaft roller followers using clean engine oil.
NOTE: Position the cam lobe away from the camshaft roller follower location prior to installing
each camshaft roller follower.
Install the camshaft roller followers. 1. Install the special tool.
2. Compress the valve spring.
3. Install the camshaft roller followers in their original locations.
40. Remove the special tool.
41. NOTE: One spark plug shown, others similar.
Install the spark plugs.
42. NOTE: RH side shown, LH side similar.
NOTE: If not secured within four minutes, the sealant must be removed and the sealing area
cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow
the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
Apply silicone gasket and sealant in the locations shown. Klj . 15 ba
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43.
NOTE: RH valve cover shown, LH similar.
Install the valve covers.
LH cylinder head 44. NOTE: Lubricate the O- ring seal with clean engine oil.
Install a new O- ring. Klj . 16 ba
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45. Install the oil level indicator tube.
46. Install the LH exhaust manifold.
zInstall a new manifold gasket.
z Install the LH exhaust manifold.
z Tighten the nuts in the sequence shown.
47. Connect the lower end of the exhaust gas recirculation (EGR) tube to the LH exhaust manifold.
RH cylinder head 48. Install the RH exhaust manifold. zInstall a new exhaust manifold gasket.
z Install the RH exhaust manifold.
z Tighten the nuts in the sequence shown. Klj . 17 ba
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57. Install the accessory drive belt.
58. Install the radio interference capacitors.
59. Install the ignition coils and bolts.
60. Position the throttle body and install the bolts, tightening in the sequence shown. Klj . 20 ba
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69. Install the engine control sensor wiring.
Item Part Number Description
1 — To crankshaft position sensor
2 — To A/C compressor
3 — To radio ignition interference capacitor (2)
4 — To fuel injectors (8)
5 — To ignition coils (8)
6 — To engine coolant temperature sensor
7 — To throttle position sensor
8 — To idle air control valve
9 — To EGR vacuum regulator
10 — To differential pressure feedback EGR
11 — To fuel pressure regulator
12 — Fuel injection ground
13 — To generator
14 — To camshaft position sensor Klj . 23 ba
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INSTALLATION
Engine
SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Spreader Bar
303-
D089 (D93P-6001- A3) Support Bracket, Engine
303-
639 Lifting Bracket, Engine
303-
D087 (D93P-6001- A1) Lifting Bracket, Engine
303-
D088 (D93P-6001- A2) Lifting Bracket Set, Engine
303-
D074 (D91P-6001- A)
Material Item Specification
Metal Surface Cleaner
F4AZ-
19A536- RA or equivalent WSE-
M5B392-
A Silicone Gasket and Sealant
F7AZ-
19554- EA or equivalent WSE-
M4G323-
A4 Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Premium Engine Coolant
E2FZ-
19549- AA (In Canada
CXC- 10; In Oregon F5FZ-
19549- CC) or equivalent ESE-
M97B44-
A Klj . 1 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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a
With installation of a new filter. Head gasket surface flatness 0.15 mm (0.006 in) max. overall
Crankshaft
Main bearing journal diameter 67.493 mm
Main bearing journal maximum taper 0.05 mm
Main bearing journal maximum out-
of round 0.05 mm
Main bearing journal-
to-cylinder block clearance 0.023-
0.055 mm Connecting rod journal diameter 56.866-
56.886 mm Connecting rod journal maximum taper 0.004 mm (0.0002 in)
Connecting rod journal maximum out-of-
round 0.004 mm (0.0002 in)
Crankshaft maximum end play 0.130-
0.301 mm Thrust bearing journal diameter 67.493 mm
Thrust bearing journal maximum out-
of round 0.05 mm
Thrust bearing journal maximum taper 0.05 mm
Thrust bearing journal length 17.725-
17.775 mm Piston and Connecting Rod
Piston diameter 90.180-
90.191 mm Piston-
to-cylinder bore clearance -
0.010/+0.026 mm Piston ring end gap —
compression (top) 0.30 mm
Piston ring end gap —
compression (bottom) 0.50 mm
Piston ring end gap —
compression (oil ring) 0.65 mm
Piston ring groove width —
compression (top) 1.53-1.549 mm
Piston ring groove width —
compression (bottom) 1.519-
1.539 mm Piston ring groove width —
oil ring 3.031-
3.055 mm Piston ring width —
compression (top) 1.47-
1.49 mm Piston ring width —
compression (bottom) 1.47-
1.49 mm Piston ring width —
oil ring 2.854-
2.984 mm Piston ring-
to groove clearance — compression (top) 0.04-0.079 mm
Piston ring-
to groove clearance — compression (bottom) 0.029-
0.069 mm Piston ring-
to groove clearance — oil ring 0.047-
0.201 mm Piston pin bore diameter 22.0042-
21.998 mm Piston pin diameter 21.991-
29.994 mm Piston pin length 61.60-
62.03 mm Piston pin-
to-piston fit 0.0058-
0.0132 mm Connecting rod-
to-pin clearance 0.018-
0.033 mm Connecting rod pin bore diameter 22.012-
22.024 mm Connecting rod length 150.7 mm
Connecting rod maximum allowed bend 0.038 mm per 25 mm
Connecting rod maximum allowed twist 0.050 mm per 25 mm
Connecting rod bearing bore diameter 56.866-
56.886 mm Connecting rod bearing-
to-crankshaft clearance 0.027-
0.069 mm Connecting rod side clearance 0.15-
0.45 mm Klj . 3 ba
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