2003 FORD MUSTANG engine

4. Remove the special tools from both ends of the cylinder head.
NOTE: Lubricate the hydraulic lash adjusters with clean engine oil.
5. Install the hydraulic lash adjusters in their original locations.
6. CAUTION: Timing chain procedures must be followed exactly or damage to the
valves and pistons will result.
NOTE: LH shown, RH similar. Klj . 4 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

11. Rotate the RH camshaft sprocket until the timing mark is approximately at the 11 o'clock
position. Rotate the LH camshaft sprocket until the timing mark is approximately at the 12
o'clock position.
12. CAUTION: When instructed to do so, rotate the crankshaft counterclockwise only.
Do not rotate past the position shown or severe piston and valve damage can occur.
NOTE: The number one cylinder is at top dead center (TDC) when the stud on the engine block
fits into the slot in the handle of the special tool.
Using the special tool, position the crankshaft so the number one cylinder is at TDC. Klj . 6 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

25.
NOTE: If the engine front cover is not secured within four minutes, the sealant must be removed
and the sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of
wetness or four minutes, whichever is longer. Failure to follow this procedure can cause future
oil leakage.
Apply a bead of sealant along the head- to-block surface as shown.
26. Install a new engine front cover gasket on the engine front cover. Position the engine front cover. Install the fasteners finger- tight.
27. Tighten the front cover fasteners in the sequence shown. Klj . 10 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

z
Stage 3: Tighten an additional 60 degrees.
29. Install the belt idler pulleys.
30. Lubricate the engine front cover and the front oil seal inner lip with clean engine oil.
31. Using the special tool, install the front oil seal.
32. Install the coolant pump pulley and bolts. Klj . 12 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

36. Install the RH engine mount.
37.
NOTE: Only three bolts are required for installation.
Install the power steering pump bolts. zPosition the power steering pump.
z Install the bolts.
38. Install the special tool between the valve spring coils to prevent valve stem seal damage. Klj . 14 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

39.
NOTE: Lubricate the camshaft roller followers using clean engine oil.
NOTE: Position the cam lobe away from the camshaft roller follower location prior to installing
each camshaft roller follower.
Install the camshaft roller followers. 1. Install the special tool.
2. Compress the valve spring.
3. Install the camshaft roller followers in their original locations.
40. Remove the special tool.
41. NOTE: One spark plug shown, others similar.
Install the spark plugs.
42. NOTE: RH side shown, LH side similar.
NOTE: If not secured within four minutes, the sealant must be removed and the sealing area
cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow
the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
Apply silicone gasket and sealant in the locations shown. Klj . 15 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

43.
NOTE: RH valve cover shown, LH similar.
Install the valve covers.
LH cylinder head 44. NOTE: Lubricate the O- ring seal with clean engine oil.
Install a new O- ring. Klj . 16 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

69. Install the engine control sensor wiring.
Item Part Number Description
1 — To crankshaft position sensor
2 — To A/C compressor
3 — To radio ignition interference capacitor (2)
4 — To fuel injectors (8)
5 — To ignition coils (8)
6 — To engine coolant temperature sensor
7 — To throttle position sensor
8 — To idle air control valve
9 — To EGR vacuum regulator
10 — To differential pressure feedback EGR
11 — To fuel pressure regulator
12 — Fuel injection ground
13 — To generator
14 — To camshaft position sensor Klj . 23 ba
252003 Mustang Workshop Manual
17. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...