E 350 V8-5.4L (2008)
15. Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner.
^
Tighten to 25 Nm (18 lb-ft).
16. Remove the retaining clip from the RH timing chain tensioner.
17. Remove the special tool.
18. As a post-check, verify correct alignment of all timing marks.
