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"COOLANT FILL LEVEL" marks and replace the pressure cap.
7. Select the maximum cool temperature setting.
8. Run the engine until it reaches operating temperature.
9. CAUTION: If the engine coolant temperature gauge does not move, the engine
coolant level in the engine is low and must be filled. Stop the engine, allow it to cool and
fill the cooling system.
Add the correct engine coolant mixture to the degas bottle until the coolant level is between the
"COOLANT FILL LEVEL" marks.
10. Repeat the two previous steps until the engine coolant mixture is between the "COOLANT FILL LEVEL" marks on the degas bottle. Turn off the engine and allow it to cool.
11. Check the freeze protection of the engine coolant mixture with the Battery/Anti- freeze Tester
014- R1060 or equivalent. Adjust freezing point range if necessary.
Filling — Cobra
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.
CAUTION: Engine coolant provides freeze protection, boil protection, cooling efficiency,
and corrosion protection to the engine and cooling components. In order to obtain these
protections, the engine coolant must be maintained at the correct concentration and fluid level
in the degas bottle.
When adding engine coolant, use a 50/50 mixture of engine coolant and deionized water.
To maintain the integrity of the coolant and the cooling system:
zAdd Motorcraft Premium Gold Engine Coolant VC -7-A (in Oregon VC -7-B) or equivalent
meeting Ford specification WSS- M97B51-A1 (yellow color). Use the same coolant that
was drained from the cooling system. Do not mix coolant types.
z Do not add/mix orange- colored Motorcraft Speciality Orange Engine Coolant VC- 2 or
equivalent meeting Ford specification WSS- M97B44-D. Mixing coolants may degrade the
coolant's corrosion protection.
z Do not add alcohol, methanol, or brine, or any engine coolants mixed with alcohol or
methanol antifreeze. These can cause engine damage from overheating or freezing.
z Do not mix with recycled coolant unless it meets the requirements of Ford specification
WSS- M97B51- A1. Not all coolant recycling processes meet these Ford specifications.
Use of such coolants can harm the engine and cooling system components.
NOTE: The addition of Motorcraft Cooling System Stop Leak Pellets, VC- 6, darkens Motorcraft
Premium Gold Engine Coolant from yellow to golden tan.
1. Check all hose clamps for correct tightness. Make sure the radiator draincock is closed.
2. Place the heater temperature selector in maximum cool position. Klj . 4 ba
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REMOVAL AND INSTALLATION
Cooling Fan Motor and Shroud
Removal and Installation
1. Disconnect the battery ground cable.
2. Remove the degas bottle or coolant expansion tank. For additional information, refer to Degas Bottle — 4.6L(2V) and 4.6L(4V) in this section.
3. Disconnect the cooling fan electrical connector.
4. Separate the fan harness from the shroud.
5. Remove the LH bolt. 6. Remove the RH bolt. SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Klj . 1 ba
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DIAGNOSIS AND TESTING
Supercharger Cooling
Inspection and Verification
WARNING: Never remove the pressure relief cap while the engine is operating or when the
cooling system is hot. Failure to follow these instructions can result in damage to the cooling
system or engine or personal injury. To avoid having scalding hot coolant or steam blow out of
the degas bottle when removing the pressure relief cap, wait until the engine has cooled, then
wrap a thick cloth around the pressure relief cap and turn it slowly. Step back while the
pressure is released from the cooling system. When you are sure all the pressure has been
released, (still with a cloth) turn and remove the pressure relief cap.
CAUTION: Check the coolant and engine oil levels. Top off the coolant level if needed. If
there is engine coolant in the engine oil, the cause must be corrected and the oil changed or major component damage can occur. SECTION 303-
03B: Supercharger Cooling 2003 Mustang Workshop Manual Special Tool(s)
Pressure Test Kit
014-
R1072 or equivalent Battery/Antifreeze Tester
014-
R1060 or equivalent
Material Item Specification
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 WSS-
M97B51- A1 Motorcraft Cooling
System Stop Leak
Pellets
VC-
6 or equivalent ESE-
M99B37- 5 except as
noted in ES-F65E-19A511- AA Klj . 1 ba
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REMOVAL AND INSTALLATION
Water Pump
Removal and Installation
1. Disconnect the battery ground cable.
2. Drain the coolant. For additional information, refer to Supercharger Cooling System Draining, Filling and Bleeding in this section.
3. Remove the retainer and position the inner fender well aside.
4. Disconnect the water pump electrical connector.
5. Disconnect the coolant hoses. 6. Remove the bolts and the water pump. SECTION 303-
03B: Supercharger Cooling 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Fuel Charging Wiring Harness
Removal and Installation
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when
working on or near any fuel related components. Highly flammable mixtures are always present
and may ignite. Failure to follow these instructions may result in personal injury.
1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. Remove the upper intake manifold. For additional information, refer to Section 303 - 01A .
3. Disconnect the following electrical connectors. z42- pin engine bulkhead connector
z 16- pin connector
z 8-pin connector
z A/C pressure switch
4. Separate the wiring harness from the dash panel.
5. Disconnect the intake manifold runner control (IMRC) actuator electrical connector.
SECTION 303-
04A: Fuel Charging and Controls — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Supply Manifold
Removal and Installation
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when
working on or near any fuel related components. Highly flammable mixtures are always present
and may ignite. Failure to follow these instructions may result in personal injury.
WARNING: Fuel in the fuel system remains under high pressure even when the engine is
not running. Before working on or disconnecting any of the fuel lines or fuel system
components, the fuel system pressure must be relieved. Failure to follow these instructions
may result in personal injury.
1. Disconnect the battery ground cable.
2. Remove the upper intake manifold. For additional information, refer to Section 303 - 01A .
3. Relieve the fuel pressure. For additional information, refer to Section 310 - 00 .
4. Disconnect the fuel line. For additional information, refer to Section 310 - 00 .
5. Separate the wiring harness from the supply manifold.
6. NOTE: Right side shown, left side similar.
Disconnect the six fuel injector electrical connectors. 7. Disconnect the fuel pressure sensor. SECTION 303-
04A: Fuel Charging and Controls — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
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