engine FORD MUSTANG 2003 Workshop Manual

IN-
VEHICLE REPAIR
Engine Dynamic Balance Shaft
Removal 1. Remove the timing chain (6268). For additional information, refer to Timing Chain in this
section.
2. Disconnect and position the wire harness aside.
3. Remove the radiator fan and shroud assembly (8146).
4. Remove the engine dynamic balance shaft (6A311). zRemove the bolts.
z Remove the balance shaft driver gear, thrust plate and engine dynamic balance shaft as
an assembly. Installation SECTION 303-
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1. Turn the camshaft so that the timing mark is at 12 o'clock and install the engine dynamic
balance shaft assembly into the cylinder block (6010). Turn the engine balance shaft driven
gear so that the timing mark lines up with the timing mark on the engine balance shaft drive
gear (6A303).
2. NOTE: If correctly aligned, the engine dynamic balance shaft keyway will be at 12 o'clock and
the camshaft keyway will be at 6 o'clock on the camshaft.
Install the bolts.
3. Install the radiator fan and shroud assembly.
4. Connect the connector and install the pin- type retainer. Klj . 2 ba
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IN-
VEHICLE REPAIR
Timing Chain
Removal 1. Remove the timing cover. For additional information, refer to Engine Front Cover in this section.
2. Remove the camshaft position sensor drive gear. 1. Remove the bolt.
2. Remove the camshaft position sensor drive gear.
3. Rotate the crankshaft (6303) until the timing marks and keyways align.
4. Compress and install a retaining pin to hold the timing chain tensioner (6L266).
5. Remove the camshaft sprocket (6256), the crankshaft sprocket (6306) and the timing chain/belt (6268) as an assembly.
SECTION 303-
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7. Install the camshaft position sensor drive gear.
8. Remove the retaining pin.
9. Install the engine front cover. For additional information, refer to
Engine Front Cover in this
section. Klj . 4 ba
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IN-
VEHICLE REPAIR
Exhaust Manifold — LH
Removal 1. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
2. Remove the LH exhaust manifold flange nuts.
3. Remove the RH exhaust manifold flange nuts.
4. Lower the vehicle.
5. NOTE: Discard the exhaust manifold gasket.
Remove the LH exhaust manifold (9431). zRemove the nuts.
SECTION 303-
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32003 Mustang Workshop Manual
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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-
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32003 Mustang Workshop Manual
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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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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
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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
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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
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...