Loosen the bolts in a crisscross pattern in several steps, then remove the final driven gear (A) from the differential carrier (B).

Install the final driven gear with the chamfer on the inside diameter facing the carrier. Tighten the bolts in a crisscross pattern in several steps.
Engine Block Drain Bolt/Sealing Bolt Installation
NOTE:
When installing the drain bolt (A), always use a new washer.
When installing the sealing bolt(s) (B), always use a new bolt(s) and
washer(s) (C).
...
Transmission End Cover Park Lever Stop Inspection and Adjustment (A/T)
Set the park lever in the P position.
Measure the center-to-center distance (A) between the park pawl shaft (B)
and the park lever roller pin (C).
Sta ...
Towing a Trailer
Your vehicle is not designed to tow a trailer. Attempting to do so can void your
warranties. ...