FORD MUSTANG 2003 Workshop Manual

12.
NOTE: RH shown, LH similar.
Install the special tool.
13. NOTE: RH shown, LH similar.
Remove the bolt and the camshaft gear. Installation Klj . 5 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

1.
CAUTION: The timing chain procedures must be followed exactly or damage to the
valve and pistons will result.
Compress the tensioner plunger, using an edge of a vise.
2. While holding the ratchet mechanism, push the ratchet arm back into the tensioner housing.
3. Install a paper clip into the hole in the tensioner housing to hold the ratchet assembly and plunger in during installation.
4. If the copper links are not visible, mark one link on one end and one link on the other end, and use as timing marks. Klj . 6 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

5. Install the camshaft sprockets and new bolts. Tighten the bolts in two stages.
zStage 1: Tighten the bolt to 40 Nm (30 lb- ft).
z Stage 2: Tighten the bolt an additional 90 degrees (1/4 turn).
6. Remove the special tool.
7. Using the special tool, position the crankshaft so the number one cylinder is at TDC.
8. Remove the special tool. Klj . 7 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

9. Install the crankshaft sprocket, making sure the flange faces forward.
10. Install the timing chain guide. 1. Position the LH timing chain guide.
2. Install and tighten the LH bolts.
3. Position the RH timing chain guide.
4. Install and tighten the RH bolts.
11. Install the timing chains. zInstall the LH (inner) timing chain on the crankshaft sprocket, aligning the copper link with
the dot on the crankshaft sprocket.
z Install the LH (inner) timing chain on the camshaft sprocket, aligning the copper link with
the dot on the camshaft sprocket.
z Install the RH (outer) timing chain on the crankshaft sprocket, aligning the copper link
with the dot on the crankshaft sprocket.
z Install the RH (outer) timing chain on the camshaft sprocket, aligning the copper link with
the dot on the camshaft sprocket. Klj . 8 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

12. Make sure that the copper (marked) chain links are lined up with the dots on the crankshaft
sprocket and the camshaft sprockets.
13. NOTE: The LH timing chain tensioner arm has a bump near the dowel hole, for identification.
Position the LH and the RH timing chain tensioner arm on the dowel pins. Klj . 9 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

14. Position the RH timing chain tensioner and install the bolts.
15. Position the LH timing chain tensioner and install the bolts. Klj . 10 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

16. Remove the paper clip from the RH and the LH timing chain tensioners.
17.
NOTE: Rotate the camshaft to the base circle of the camshaft lobe before installing the roller
followers.
NOTE: Keep all the roller followers in order when installing.
Using the special tool, install the 16 roller followers.
18. Install the eight spark plugs. Klj . 11 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

19. Install the eight ignition coils and bolts.
20. Connect the eight ignition coil electrical connectors.
21. Install the crankshaft sensor ring on the crankshaft.
22. Install the engine front cover. For additional information, refer to
Engine Front Cover in this
section. Klj . 12 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

Klj . 13 ba
132003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

IN-
VEHICLE REPAIR
Valve Seals
Removal and Installation 1. Remove the roller followers. For additional information, refer to Camshaft Roller Follower in this
section.
2. Remove the spark plug (12405) from the applicable cylinder.
3. Position the piston (6102) of the cylinder being serviced at the bottom of the stroke.
4. CAUTION: If air pressure has forced the piston to the bottom of the cylinder, any
loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be
removed, support the valve prior to removal.
Use compressed air in the cylinder to hold both valves in position. 5. Using the special tool, compress the valve spring (6513). SECTION 303-
01B: Engine — 4.6L (2V) 2003 Mustang Workshop Manual Special Tool(s)
Valve Spring Compressor
303-
452 (T93P-6565- AR) Valve Stem Seal Replacer
303-
383 (T91P-6571- A) Compressor, Valve Spring
(Exhaust)
303-
567 (T97P- 6565- AH)
Material Item Specification
Super Premium SAE 5W-20
Motor Oil
XO- 5W20- QSP WSS-
M2C153-
H Klj . 1 ba
22003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...