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5. Install the timing chain. For additional information, refer to
Timing Chain in this section. Klj . 3 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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6. Remove the timing chain tensioner.
1. Remove the bolts.
2. Remove the timing chain tensioner.
Installation 1. Install the timing chain tensioner. 1. Position the timing chain tensioner.
2. Install the bolts.
2. Rotate the crankshaft so the number one piston (6108) is at top dead center (TDC) and the key is at the 12 o'clock position. Klj . 2 ba
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3. If necessary, retract the tensioner pad retracting mechanism.
1. Compress the tensioner pad retracting mechanism.
2. Insert a retaining pin.
4. Turn the camshaft sprocket so that the timing mark is on the bottom of the balance shaft (6250).
5. Install the timing chain, the camshaft sprocket and the crankshaft sprocket.
6. Make sure that the timing marks and the keyways are aligned. Klj . 3 ba
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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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Klj . 5 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-
01A: Engine — 3.8L 2003 Mustang Workshop Manual Klj . 1 ba
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Installation
1. NOTE: Install a new gasket.
NOTE: Tighten the nuts in the sequence shown.
To install, reverse the removal procedure. Klj . 2 ba
32003 Mustang Workshop Manual
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