Remove the auto-tensioner.
Remove the tensioner pulley.

Install the tensioner pulley in the reverse order of removal.
Install the auto-tensioner.
A/C System Charging (With A/C)
caution
Air conditioning refrigerant or lubricant vapor can irritate your
eyes, nose, or throat.
Be careful when connecting service equipment.
...
ODS Unit Replacement
Removal
Do the battery terminal disconnection procedure,
then wait at least 3 minutes before starting work.
Disconnect the passenger's side airbag harness 2P connector. ...
Evaporator Expansion Valve Replacement (With A/C)
Recover the refrigerant with a recovery/recycling/charging
station.
Remove the bolt from the A/C line clamp (A).
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