Ford 2003 Mustang Workshop Manual page 1190

9. Remove the LH and the RH timing chain tensioner arm from the dowel pins.
10. Remove the timing chains and the crankshaft sprocket.
11. Remove the timing chain guides.
1. Remove the bolts.
2. Remove the LH timing chain guide.
3. Remove the bolts.
4. Remove the RH timing chain guide.