2003 FORD MUSTANG engine

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
62003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

Remove the cylinder head. Discard the cylinder head bolts.
Installation
NOTE: Do not use a fiber disc to clean the surfaces. Fibers from the disc can get into the oil pan and
oil and clog the oil bypass valve.
1. Clean and inspect the cylinder head for flatness. For additional information, refer to Section 303 - 00 .
2. Install a new head gasket on the cylinder block with the small hole to the front of the engine.
3. Position the cylinder head.
4. CAUTION: Always use new bolts.
NOTE: Lubricate the bolts with clean engine oil.
Install new bolts. Refer to the location note made during removal and make sure the bolts are
installed the correct location. 1. Install the new long bolts.
2. Install the new short bolts. Klj . 3 ba
62003 Mustang Workshop Manual
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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
62003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

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
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

10. Remove the three exhaust manifold studs.
11.
NOTE: Discard the cylinder head gasket.
NOTE: Record the location of the long bolts and the short bolts.
Remove the cylinder head. Discard the cylinder head bolts.
Installation
NOTE: Do not use a fiber disc to clean the surfaces. Fibers from the disc can get into the oil pan and
oil and clog the oil bypass valve.
1. Clean and inspect the cylinder head for flatness. For additional information, refer to Section 303 - 00 .
2. Install a new head gasket on the cylinder block with the small hole to the front of the engine and position the cylinder head. Klj . 2 ba
52003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

3.
CAUTION: Always use new bolts.
NOTE: Lubricate the bolts with clean engine oil.
Install new bolts. Refer to the location note made during removal and make sure the bolts are
installed the correct location. 1. Install the new long bolts.
2. Install the new short bolts.
4. Tighten the bolts in three stages in the sequence shown. zStage 1: Tighten to 20 Nm (15 lb- ft).
z Stage 2: Tighten to 40 Nm (30 lb- ft).
z Stage 3: Tighten to 50 Nm (37 lb- ft).
5. CAUTION: Do not loosen all of the bolts at one time. Each bolt must be loosened
and final- tightened prior to working on the next bolt in the sequence.
NOTE: The short bolts are numbered 2, 4, 6 and 8 and the long bolts are numbered 1, 3, 5 and
7. Klj . 3 ba
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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
52003 Mustang Workshop Manual
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IN-
VEHICLE REPAIR
Oil Level Indicator and Tube
Removal and Installation 1. Remove the oil level indicator tube (6754). zRemove the bolt.
z Remove the oil level indicator tube.
z Remove and discard the oil level indicator tube O- ring.
2. To install, reverse the removal procedure.
SECTION 303-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...