2003 FORD MUSTANG oil pressure

11 N620482 Dowel
12 87836 Plug
Item Part Number Description
1 N807198 Dowel pin (2 req'd)
2 N807309 Bolt
3 N807959 Bolt
4 18663 Heater water hose
5 W500110 Bolt (2 req'd)
6 12A699 Knock sensor (2 req'd)
7 N807309 Bolt (2 req'd)
8 18696 Heater water hose
9 7120 Pilot bearing
10 6K318 Crankshaft rear retainer
11 N806155 Bolt (6 req'd)
12 6310 Crankshaft oil slinger
13 6375 Flexplate
14 N806168 Bolt (6 req'd)
15 — Flywheel
16 N808139 Bolt (8 req'd)
17 7550 Clutch disc
18 7563 Clutch pressure plate
19 N808969 Bolt (6 req'd)
20 6701 Crankshaft rear oil seal
21 N806007 Dowel pin (2 req'd) Klj . 13 ba
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IN-
VEHICLE REPAIR
Valve — Springs, Retainer and Valve Stem Seal
Removal 1. Remove the roller followers. For additional information, refer to Roller Followers in this section.
2. Remove the spark plugs. For additional information, refer to Section 303 - 07C .
3. Position the piston 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. SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-
452 (T93P-6565- AR) Installer, Valve Stem Oil Seal
303-
383 (T91P-6571- A) Compressor, Valve Spring
303-
567 (T97P-6565- AH) Spacer, Valve Spring
Compressor
303-
382 (T91P-6565- AH) Klj . 1 ba
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46. Remove the nut and the wiring harness bracket.
47. Remove the nuts and position the wiring harness aside.
48. Disconnect the oil pressure sensor.
49. Remove the nut and the engine ground cable.
50. Disconnect the hose from the oil filter adapter. Klj . 12 ba
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Disassembly
Manual transmission vehicles
1. Remove the clutch and pressure plate. For additional information, refer to Section 308 - 02 .
2. Remove the flywheel.
Automatic transmission vehicles 3. Remove the flexplate. For additional information, refer to Flexplate in this section.
All vehicles 4. Using the special tool, remove the rear oil slinger. 303-
567 (T97P-6565- AH) Remover, Crankshaft Front Oil
Seal
303-
107 (T74P-6700- A) Klj . 2 ba
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13. Disconnect the fuel pressure damper electrical connector.
14. Disconnect the EGR vacuum regulator electrical connector.
15. Disconnect the four LH fuel injector electrical connectors.
16. Remove the LH coil cover. Klj . 5 ba
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72. Install the LH coil cover.
73. Connect the EGR vacuum regulator (EVR) electrical connector.
74. Connect the fuel pressure sensor electrical connector.
75. Connect the EGR tube to the exhaust manifold. Klj . 25 ba
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25. Install the ground cable.
26. Connect the oil pressure sender.
27. Position the wiring harness and install the two nuts.
28. Position the wiring harness bracket and install the nut. Klj . 8 ba
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DESCRIPTION AND OPERATION
Engine Cooling
CAUTION: Vehicle cooling systems are filled with Motorcraft Premium Gold Engine
Coolant VC -7-A (in Oregon VC -7-B) or equivalent meeting Ford specification WSS- M97B51-A1
(yellow color). Always fill the cooling system with the same coolant that is present in the
system. Do not mix coolant types.
NOTE: The addition of Motorcraft Cooling System Stop Leak Pellets, VC- 6, darkens Motorcraft
Premium Gold Engine Coolant from yellow to golden tan.
The 4.6L cooling system components include the:
zblock heater
z engine coolant temperature (ECT) sensor
z fan blade, fan motor and fan shroud assembly
z radiator
z pressure relief cap
z radiator draincock
z coolant pump
z coolant thermostat
z oil filter adapter
z radiator overflow hose
z upper radiator hose
z lower radiator hose
The radiator overflow hose circulates the coolant.
The coolant thermostat:
zcontrols the engine coolant temperature.
z allows for quicker engine warm- up.
The degas bottle/coolant expansion tank:
zprovides a location for service fill.
z contains coolant expansion and system pressurization.
z provides air separation during operation.
z replenishes the engine coolant to the system.
The engine coolant flows:
zfrom the lower radiator hose to the coolant pump.
z from the coolant pump to the engine block and the cylinder heads.
SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Klj . 1 ba
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