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SPECIFICATIONS
a
Use the same type coolant that was drained from the cooling system. Do not mix coolant types.
b The addition of Motorcraft Cooling System Stop Leak Pellets, VC- 6, darkens Motorcraft Premium
Gold Engine Coolant from yellow to golden tan. SECTION 303-
03B: Supercharger Cooling 2003 Mustang Workshop Manual General Specifications
Item Specification
Cooling System Capacity
System capacity L (qts) 3.75 (4.0)
Coolant Type
Motorcraft Premium Engine Coolant VC-4-
A (CXC-10 in
Canada, VC- 5 in Oregon) a ESE-
M97B44- A Motorcraft Premium Gold Engine Coolant VC-7-
A (in
Oregon VC-7- B)
a b WSS-
M97B51- A1 Other Chemicals
Premium Cooling System Flush VC-
1 ESR-
M14P7-A Premium Long Life Grease XG-1-
C ESA-
M1C75- B Cooling System Stop Leak Pellets
VC-
6 ESE-
M99B37- 5 except as noted in ES-
F65E-19A511- AA Cooling System Pressure Test Specifications
System (radiator) kPa (psi) 138 (20)
System (intercooler) kPa (psi) 138 (20)
Cap (relief opening pressure)
kPa (psi) 69 (10)
Torque Specifications Description Nm lb-
ft lb-
in Water pump bolts 20 — 15
Dropping resistor screw 6 53 —
Degas bottle bolt 10 89 —
Intercooler radiator support bracket-
to-bumper bolts 12 — 9
Intercooler radiator support bracket bolts 10 89 — Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
04A: Fuel Charging and Controls — 3.8L 2003 Mustang Workshop Manual General Specifications
Item Specification
Lubricants and Chemicals
SAE 5W-
20 Premium Synthetic Blend Motor Oil XO-5W20- QSP WSS-
M2C153- H
Torque Specifications Description Nm lb-
in Throttle body nuts and bolts 9 80
Fuel injection supply manifold bolts 10 89
42-
pin engine bulkhead electrical connector bolt 6 53 Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
04B: Fuel Charging and Controls — 4.6L (2V) 2003 Mustang Workshop Manual General Specifications
Item Specification
Lubricants and Chemicals
Super Premium SAE 10W-30, XO-
10W30-DSP WSS-
M2C153- G
Torque Specifications Description Nm lb-
ft lb-
in Throttle body bolts 10 — 89
Fuel injection supply manifold bolts 10 — 89
Fuel charging wiring 42 pin connector bolt 6 — 53
Battery supply wire nut 8 — 71
EGR pressure transducer bracket bolts 25 18 —
Generator battery supply nut 8 — 71 Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
04C: Fuel Charging and Controls — Cobra 4.6L (4V) 2003 Mustang Workshop Manual General Specifications
Item Specification
Lubricants and Chemicals
SAE 5W-
20 Premium Synthetic Blend Motor Oil, XO-5W20- QSP WSS-
M2C153- H
Torque Specifications Description Nm lb-
in Battery ground bolt 10 89
Throttle body bolts 9 80
Fuel injection supply manifold bolts 10 89
42-
pin engine bulkhead electrical connector bolt 6 53
Ignition coil cover bolts 10 89
Battery supply wire nut to power distribution box 8 71
Battery supply wire nut to generator 8 71 Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
04D: Fuel Charging and Controls — Mach I 4.6L (4V) 2003 Mustang Workshop Manual General Specifications
Item Specification
Fluid/Lubricant Specification
Super Premium SAE 5W-30, XO-5W30-
QSP WSS-
M2C153- G
Torque Specifications Description Nm lb-
ft lb-
in Battery ground bolt 10 — 89
Throttle body bolts 9 — 80
Fuel injection supply manifold bolts 10 — 89
42 pin engine bulkhead electrical connector bolt 6 — 53
Ignition coil cover bolts 10 — 89
Battery supply wire nut to power distribution box 8 — 71
Battery supply wire nut to generator 8 — 71
Air intake scoop bolts 25 18 —
Air intake scoop bracket bolt 25 18 —
Air intake scoop bracket nuts 25 18 —
Air intake scoop bracket throttle body nut 9 — 80
Exhaust gas recirculation (EGR) vacuum regulator solenoid bolts 10 — 89
Wiring harness bracket bolt 20 15 — Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
05: Accessory Drive 2003 Mustang Workshop Manual General Specifications
Item Specification
Accessory drive belt 6 ribs
Supercharger drive belt 8 ribs
Torque Specifications Description Nm lb-
ft lb-
in Belt idler pulley bolt 25 18 —
Drive belt tensioner bolt —
3.8L 82 60 —
Drive belt tensioner bolt —
4.6L 10 — 89
Drive belt tensioner bolt —
Supercharged engine 25 18 —
Cooling hose mounting bolt 25 18 —
Belt idler support assembly bracket bolts 25 18 —
Air intake scoop bolts 25 18 —
Air intake scoop bracket bolt 25 18 —
Air intake scoop bracket nuts 25 18 —
Air intake scoop bracket throttle body nut 9 — 80
Exhaust gas recirculation (EGR) vacuum regulator solenoid bolts 10 — 89 Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
06: Starting System 2003 Mustang Workshop Manual General Specifications
Item Specification
Normal engine cranking speed rpm 100-
140 rpm Starter motor no load current draw amperes 60-
80 amps Starter motor normal load current draw 130 amps
Starter motor maximum load current draw amperes 400 amps
Maximum starting circuit voltage drop (engine at normal engine temperature) 0.5 volt
Torque Specifications Description Nm lb-
ft lb-
in Starter motor bolts 25 18 —
Starter motor ground cable nut 25 18 —
Starter motor solenoid S terminal nut 6 — 53
Starter motor solenoid B terminal nut 12 9 — Klj . 1 ba
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SPECIFICATIONS
SECTION 303-
07A: Engine Ignition — 3.8L 2003 Mustang Workshop Manual General Specifications
Item Specification
Base ignition timing TBD
Firing order 1-4-2-5-3-
6 Spark plug gap mm (in) 1.32-
1.42 (0.052- 0.056) Spark plug type production LH AWSF-
42E Spark plug type production RH AWSF-
42EG Spark plug type service AWSF-
42EE Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-
A ESE-
M1C171- A
Torque Specifications Description Nm lb-
ft lb-
in Spark plugs 15 11 —
Ignition coil bolts 7 — 52 Klj . 1 ba
12003 Mustang Workshop Manual
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