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IN-
VEHICLE REPAIR
Engine Front Cover
Removal 1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. Drain the engine cooling system. For additional information, refer to Section 303 - 03A .
3. Remove the crankshaft pulley. For additional information, refer to Crankshaft Pulley in this
section.
4. Remove the water pump pulley.
5. Remove the retainers and position the power steering pump aside.
6. Disconnect the exhaust gas recirculation (EGR) tube.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual 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 SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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Page 986 of 4378
19. Drain the engine oil and fill with clean engine oil.
20. Fill the engine cooling system. For additional information, refer to
Section 303 - 03A .
21. Connect the battery ground cable. For additional information, refer to Section 414 - 01 . Klj . 9 ba
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IN-
VEHICLE REPAIR
Exhaust Manifold RH
Removal and Installation 1. Disconnect the battery negative cable. For additional information, refer to Section 414 - 01 .
2. Remove the air cleaner outlet pipe. For additional information, refer to Section 303 - 12 .
3. Disconnect the differential pressure feedback exhaust gas recirculation (EGR) system electrical and vacuum connections.
4. Disconnect the EGR tube.
5. Remove the EGR tube. 6. Raise and support the vehicle. For additional information, refer to Section 100 - 02 . SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
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Page 1013 of 4378

IN-
VEHICLE REPAIR
Cylinder Head LH
Removal 1. Disconnect the battery negative cable. For additional information, refer to Section 414 - 01 .
2. Drain the engine cooling system. For additional information, refer to Section 303 - 03A .
3. Remove the LH exhaust manifold. For additional information, refer to Exhaust Manifold — LH in
this section.
4. Remove the lower intake manifold. For additional information, refer to Lower Intake Manifold in
this section.
5. Remove the push rods. For additional information, refer to Push Rod in this section.
6. Remove the drive belt. For additional information, refer to Section 303 - 05 .
7. Using the special tool, remove the power steering pump pulley.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Special Tool(s)
Remover, Power Steering
Pump Pulley
211-
016 (T69L-10300- B) Installer, Power Steering Pump
Pulley
211-
009
Material Item Specification
SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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Page 1017 of 4378
9. Install the support bracket.
10. Using the special tool, install the power steering pump pulley.
11. Install the drive belt. For additional information, refer to Section 303 - 05 .
12. Install the push rods. For additional information, refer to Push Rod in this section.
13. Install the lower intake manifold. For additional information, refer to Lower Intake Manifold in this
section.
14. Install the LH exhaust manifold. For additional information, refer to Exhaust Manifold — LH in this
section.
15. Connect the battery ground cable. For additional information, refer to Section 414 - 01 .
16. CAUTION: Correct cooling system bleeding is critical for correct engine cooling.
Fill and bleed the engine cooling system. For additional information, refer to Section 303 - 03A . Klj . 5 ba
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IN-
VEHICLE REPAIR
Cylinder Head RH
Removal 1. Disconnect the battery negative cable. For additional information, refer to Section 414 - 01 .
2. Drain the engine cooling system. For additional information, refer to Section 303 - 03A .
3. Remove the RH exhaust manifold. For additional information, refer to Exhaust Manifold RH in
this section.
4. Remove the lower intake manifold. For additional information, refer to Lower Intake Manifold in
this section.
5. Remove the push rods. For additional information, refer to Push Rod in this section.
6. Remove the drive belt. For additional information, refer to Section 303 - 05 .
7. Disconnect the A/C manifold and tube assembly. For additional information, refer to Section 412 - 03 .
8. Disconnect the A/C compressor clutch electrical connector.
9. Remove the A/C compressor bracket.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Material
Item Specification
SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
52003 Mustang Workshop Manual
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Page 1023 of 4378

9. Connect the A/C manifold and tube assembly. For additional information, refer to
Section 412 -
03 .
10. Install the accessory drive belt. For additional information, refer to Section 303 - 05 .
11. Install the push rods. For additional information, refer to Push Rod in this section.
12. Install the lower intake manifold. For additional information, refer to Lower Intake Manifold in this
section.
13. Install the RH exhaust manifold. For additional information, refer to Exhaust Manifold RH in this
section.
14. Connect the battery ground cable. For additional information, refer to Section 414 - 01 .
15. CAUTION: Correct cooling system bleeding is critical for correct engine cooling.
Fill and bleed the engine cooling system. For additional information, refer to Section 303 - 03A .
16. Recharge the A/C refrigerant system. For additional information, refer to Section 412 - 00 . Klj . 5 ba
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Page 1026 of 4378
IN-
VEHICLE REPAIR
Oil Pan
Removal 1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet pipe. For additional information, refer to Section 303 - 12 .
3. Remove the radiator sight shield.
4. Remove the coolant recovery reservoir. 1. Disconnect the hose.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Special Tool(s)
3 Bar Engine Support Kit
303-
F072 Lifting Bracket Set, Engine
303-
D095 (D94L-6001- A) or
equivalent
Material Item Specification
SAE 5W-
20 Premium Synthetic
Blend Motor Oil
XO- 5W20-QSP or equivalent WSS-
M2C153-
H Metal Surface Cleaner
F4AZ-
19A536- RA or equivalent WSE-
M5B392-
A Silicone Gasket and Sealant
F7AZ-
19554- EA or equivalent WSE-
M4G323-
A4 Klj . 1 ba
122003 Mustang Workshop Manual
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