Navigator 4WD V8-5.4L VIN 5 (2006)
9. Remove the halfshaft assembly from the vehicle.
10. Remove and discard the halfshaft retainer circlip.
11. Remove and discard the halfshaft excluder seal, if equipped.
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Do not install a new excluder seal.
12. CAUTION: Always install a new differential stub shaft seal.
CAUTION: Always install the halfshaft with a new retainer circlip and a new rear axle wheel hub retainer.
CAUTION: Never use power tools to tighten the rear axle wheel hub retainer.
To install, reverse the removal procedure.