E 450 V8-5.4L (2009)
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Tighten to 99 Nm (73 lb-ft).
13. Install the new worm thrust bearing retainer ring setscrew.
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Tighten to 2 Nm (18 lb-in).
14. Secure the steering gear housing in the soft-jawed vise.
15. Install the new valve housing-to-gear housing O-ring seal.
16. Install the new valve housing seal.
17. Lubricate the piston seal with multi-purpose grease.
18. Install the piston assembly into the steering gear housing.