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303-01C-1 Engine — Cobra 4.6L (4V) 303-01C-1
DESCRIPTION AND OPERATION
Induction System
Engine
The sequential multiport fuel injection (SFI)
WARNING: Do not operate the engine
provides the fuel/air mixture needed for combustion
with the hood open until the fan blade has been
in the cylinders. The eight solenoid-operated fuel
first examined for possible cracks and separation.
injectors:
The 4.6L (4V) (281 CID) Cobra engine is a V-8
• are mounted in the lower intake manifold.
with the following fe
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303-01C-2 Engine — Cobra 4.6L (4V) 303-01C-2 DESCRIPTION AND OPERATION (Continued) • From the main journals, the oil is routed through • Oil pump displacement has been selected to cross-drilled passages in the crankshaft to provide adequate volume to ensure correct oil lubricate the connecting rod bearings. Controlled pressure both at hot idle and maximum speed. leakage through the crankshaft main bearings and • The relief valve calibration protects the system connecting rod bearings is slung ra
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303-01C-3 Engine — Cobra 4.6L (4V) 303-01C-3 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 13 — Spacer assembly gasket 1 6F066 Supercharger assembly 14 9D475 Exhaust gas recirculation 2 N806154 Screws (2 req’d) valve 3 9F715 Idle air control valve 15 — Stud 4 — Idle air control valve gasket 16 9D477 Exhaust gas recirculation tube 5 9P697 Spacer assembly 17 — Manifold absolute pressure 6 9E936 Throttle body gasket sensor 7 9E926 Throttle body 18 9
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303-01C-4 Engine — Cobra 4.6L (4V) 303-01C-4 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-5 Engine — Cobra 4.6L (4V) 303-01C-5 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 13 9J447 Lower intake manifold 1 12B637 Wiring harness 14 9L438 Coolant intake manifold 2 9C986 Fuel pulse damper gasket 3 9F792 Fuel injection supply 15 — Coolant tubes manifold 16 9N491 Coolant intake manifold 4 9F593 Fuel injector 17 W701592 Bolt 5 — Stud 18 NL443 Inter cooler hose 6 9D475 Exhaust gas recirculation valve 19 NL443 Inter cooler hose 7 W701
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303-01C-6 Engine — Cobra 4.6L (4V) 303-01C-6 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-7 Engine — Cobra 4.6L (4V) 303-01C-7 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 27 N806165 Washer 1 N605904 Bolt 28 W701512 Stud 2 N620480 Nut 29 8A528 Water pump pulley 3 6A946 Cover 30 N806282 Bolts (4 req’d) 4 17K814 Alternator bracket assembly 31 N806177 Bolts (4 req’d) 5 N811268 Bolts (2 req’d) 32 8501 Water pump 6 8620 Accessory drive belt 33 N808102 Bolt 7 N606543 Bolt (4 req’d) 34 19A216 Belt idler pulley 8 6L266 Timing chain t
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303-01C-8 Engine — Cobra 4.6L (4V) 303-01C-8 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-9 Engine — Cobra 4.6L (4V) 303-01C-9 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 15 6B278 Camshaft bearing cap (2 1 6083 Cylinder head gasket req’d) 2 — Bolt (2 req’d) 16 9448 Exhaust manifold gasket 3 — Washer (2 req’d) 17 9F485 EGR valve tube to manifold 4 6255 Spacer connector 5 — Secondary timing chain (2 18 W701706 Nut (8 req’d) req’d) 19 9431 Exhaust manifold 6 — Screw and washer 20 6C324 PCV tube 7 6C271 Timing chain vibration 21
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303-01C-10 Engine — Cobra 4.6L (4V) 303-01C-10 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-11 Engine — Cobra 4.6L (4V) 303-01C-11 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 11 6582 Valve cover 1 6214 Bolt (2 req’d) 12 6051 Cylinder head gasket 2 6211 Connecting rod bearing (16 req’d) 13 W701706 Nut (8 req’d) 3 6140 Piston pin retainer (16 req’d) 14 9430 Exhaust manifold 4 6135 Piston pin (8 req’d) 15 9448 Exhaust manifold gasket 5 6110 Piston (8 req’d) 16 W701681 Stud (8 req’d) 6 6159 Piston ring (8 req’d) 17 6049 Cylinder h
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303-01C-12 Engine — Cobra 4.6L (4V) 303-01C-12 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-13 Engine — Cobra 4.6L (4V) 303-01C-13 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 8 N806156 Bolt (4 req’d) 1 8555 Water bypass tube 9 9278 Oil pressure sender 2 6750 Oil level indicator 10 6884 Oil filter adapter 3 6754 Oil level indicator tube 11 6A636 Oil filter adapter gasket 4 N806155 Bolt 12 N620482 Dowel 5 6C358 Bolt (10 req’d) 13 87836 Plug 6 6714 Oil bypass filter 7 6A642 Oil cooler (Continued) Item Part Number Description Item
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303-01C-14 Engine — Cobra 4.6L (4V) 303-01C-14 DESCRIPTION AND OPERATION (Continued) 2003 Mustang, 8/2002
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303-01C-15 Engine — Cobra 4.6L (4V) 303-01C-15 DESCRIPTION AND OPERATION (Continued) Item Part Number Description Item Part Number Description 15 6622 Oil pump screen pickup and 1 N806177 Bolt (4 req’d) tube 2 N806459 Dowel (4 req’d) 16 N806155 Bolt (2 req’d) 3 6A341 Thrust washer 17 N811280 Spacer (3 req’d) 4 6303 Crankshaft 18 6345 Bolt (6 req’d) 5 6A339 Thrust bearing 19 6C360 Main bearing cap adjusting 6 6325 Main bearing cap (5 req’d) screw (10 req’d) 7 6345 Bolt (10 req’d) 20 6A338 Cranksh
