Remove the auto-tensioner.
Remove the tensioner pulley.

Install the tensioner pulley in the reverse order of removal.
Install the auto-tensioner.
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).
...
Airbag and Tensioner Disposal
Special Tools Required
Deployment Tool 07AAZ-000A100
Before scrapping any airbags, side airbags, side curtain airbags, seat belt
tensioners (including those in a whole vehicle to be scrapped) ...
Transmission Side - Release Bearing Inspection
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 ...