2003 FORD MUSTANG Workshop Manual

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FORD MUSTANG 2003  Workshop Manual 17. Make sure the ring gaps (oil spacer [A], oil ring [B], and compression ring [C]) are properly 
spaced around the circumference of the piston. 
18.  CAUTION: Do not scratch the cylinder walls or th

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FORD MUSTANG 2003  Workshop Manual 19.
NOTE:  The piston grade number will face the rear of the engine. 
Check that the piston/connecting rod assembly is oriented with the identification marks facing 
the front of the engine. 
20.  CAU

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FORD MUSTANG 2003  Workshop Manual NOTE: 
Only one connecting rod assembly shown, others similar. 
Using the special tool install the piston and connecting rod assembly by pushing the pistons 
through the top of the cylinder block. 
21

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FORD MUSTANG 2003  Workshop Manual Install the oil pump screen cover and tube. 
26. NOTE:  If not secured within four minutes, sealant must be removed and sealing area cleaned 
with metal surface cleaner. Allow to dry until there are n

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FORD MUSTANG 2003  Workshop Manual 29. Tighten the bolts in the sequence shown. 
�zTighten to 20 Nm (15 lb- ft). 
�z Rotate an additional 60 degrees. 
30. Install the cylinder head gaskets. 
31.  CAUTION: Cylinder head to cylinder bloc

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FORD MUSTANG 2003  Workshop Manual  CAUTION: Camshaft keyways must maintain a 90 degree clocked position relative 
to the valve cover rail. 
 CAUTION: To prevent piston crown and valve damage the crankshaft keyway must 
be clocked at 2

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FORD MUSTANG 2003  Workshop Manual 33.
 CAUTION: Timing chain procedures must be followed exactly or damage to valves 
and pistons will result. 
Using a vise, compress the tensioner plunger. 
34. Install a retaining clip on the tension

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FORD MUSTANG 2003  Workshop Manual 36.
NOTE:  There are 58 links in each timing chain. 
If the copper links are not visible, mark one link on one end and one link on the other end to use 
as timing marks. 
37. Install the timing chain