Mountaineer AWD V6-4.0L (2008)
4. Install a new output shaft flange nut.
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Tighten to 60 Nm (44 lb-ft).
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After installing the new nut, it must be staked at the slots to prevent it from coming loose.
5. Install the rear driveshaft.
4WD vehicles
6. Position the output shaft seal.
7. Using the special tool, install a new output shaft seal.