Check the play of the release bearing by spinning it by hand. If there is excessive play or noise, replace the release bearing.

NOTE: The release bearing is packed with grease. Do not wash it in solvent.
Tailgate Handle Replacement
NOTE:
Put on gloves to protect your hands.
Take care not to scratch the tailgate or the related parts.
Remove these items:
Tailgate lower trim panel
...
Basic Settings
INFO button
► Setup ►Other
►Basic Settings
Set the map units to either miles or kilometers, and control the voice
feedback from
the navigation system.
Select an item.
The ...
A/T Housing Idler Gear Shaft Removal and Installation (A/T)
Remove the snap ring (A), the cotter retainer (B), and the cotters (C)
from the idler gear shaft (D), then remove the idler gear shaft. Do not
distort the snap ring.
Check ...