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removed and the cylinder heads are installed is the crankshaft or the camshaft to be
rotated. Severe piston and valve damage will occur.
CAUTION: Rotate the crankshaft counterclockwise only. Do not rotate past position
shown or severe piston or valve damage will occur.
Using the special tool, position the crankshaft.
7. Remove the special tool.
8. Install the crankshaft sprocket with the flange facing forward.
9. NOTE: LH timing chain shown; RH similar.
Install the LH timing chain onto the crankshaft sprocket, aligning the one copper link on the
timing chain (6268) with the slot on the crankshaft sprocket.
10. Verify the camshaft sprocket to copper link alignment. Klj . 5 ba
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11.
NOTE: LH shown; RH similar.
Position the tensioner arms and tensioners, and install the bolts.
12. Remove the retaining clips from the timing chain tensioners.
13. Position the crankshaft sensor ring on the crankshaft.
14. Install the engine front cover. For additional information, refer to Engine Front Cover in this
section. Klj . 6 ba
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Klj . 7 ba
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IN-
VEHICLE REPAIR
Hydraulic Lash Adjusters
Removal 1. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
2. Remove the 16 hydraulic lash adjusters.
3. Inspect the roller followers. For additional information, refer to Section 303 - 00 .
Installation
1. To install, reverse the removal procedure.
SECTION 303-
01C: Engine — Cobra 4.6L (4V) 2003 Mustang Workshop Manual Klj . 1 ba
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IN-
VEHICLE REPAIR
Camshaft Roller Follower
Removal and Installation 1. Remove the left and right valve cover (6582). For additional information, refer to Val ve Cover LH and
Valve Cover RH in this section.
2. Position the piston of the cylinder being repaired at the bottom of the stroke and camshaft lobe at base circle.
3. Using the special tool, compress the intake valve spring and remove the roller follower.
4. Using the special tool, compress the exhaust valve spring and remove the roller follower.
5. Repeat Steps 2, 3 and 4 to remove all the necessary roller followers. Inspect roller finger followers and camshafts. For additional information, refer to Section 303 - 00 .
6. To install, reverse the removal procedure.
SECTION 303-
01C: Engine — Cobra 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Compressor, Valve Spring
303-
452 (T93P-6565- AR) Klj . 1 ba
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Klj . 2 ba
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IN-
VEHICLE REPAIR
Camshaft
Removal 1. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
2. Remove the LH timing chain (6268) for the LH side and both timing chains for the RH side. For additional information, refer to Timing Drive Components in this section.
3. Install the special tool.
4. Remove the exhaust camshaft sprocket (6250) and the intake camshaft bolt, washer and spacer.
SECTION 303-
01C: Engine — Cobra 4.6L (4V) 2003 Mustang Workshop Manual Special Tool(s)
Holding Tool, Camshaft
303-
446 (T93P-6256- AHR)
Material Item Specification
Super Premium SAE 5W-20
Engine Oil
XO- 5W20- QSP or equivalent WSS-
M2C153-
H Klj . 1 ba
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5. Remove the special tool.
6. Compress the tensioner (6L266) and install a lock pin.
7. Remove the timing chain, the sprocket, and intake camshaft sprocket spacer.
8.
NOTE: LH shown; RH similar.
Remove the bolts. Klj . 2 ba
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