F 550 4WD Super Duty V8-6.4L DSL Turbo (2008)
6. Install the extension housing and the 9 bolts.
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Tighten to 47 Nm (35 ft. lbs.).
Vehicles equipped with a fixed yoke
7. Using the special tool, install a new output shaft retaining nut.
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Tighten to 200 Nm (148 ft. lbs.).
All vehicles
8. Connect the OSS sensor electrical connector.