TL AWD V6-3.7L (2010)
5. Remove the battery clamp bolt from the back cover.
6. Remove the auto-tensioner.
7. Align the holes on the rod and the housing of the auto-tensioner.
8. Use a hydraulic press to slowly compress the auto-tensioner. Insert a 2.0 mm (0.08 in) pin through the housing and the rod.