Ford 2003 Mustang Workshop Manual page 1095

7. Install the camshaft thrust plate.
1. Position the camshaft thrust plate.
2. Install the bolts.
8. Turn the camshaft so that the timing mark is at 12 o'clock and install the engine dynamic
balance shaft assembly into the cylinder block. Turn the engine balance shaft driven gear so
that the timing mark aligns up with the timing mark on the engine balance shaft drive gear.
9. NOTE: If correctly aligned, the engine dynamic balance shaft keyway will be at 12 o'clock and
the camshaft keyway will be at 6 o'clock on the camshaft.
Install the bolts.
10. CAUTION: Make sure the components are installed in the correct location.
NOTE: Lubricate the crankshaft main bearings prior to installation.
Install the crankshaft upper main bearings and the crankshaft upper thrust main bearing.