Remove the auto-tensioner.
Remove the tensioner pulley.

Install the tensioner pulley in the reverse order of removal.
Install the auto-tensioner.
Installation
Install ECT sensor 1 (A) with a new O-ring (B).
Install the water bypass hose (C).
Remove all of the old liquid gasket from the water outlet mating
surfaces, the bolts ...
Cylinder Head Installation
Clean the cylinder head and the engine block surface.
Install a new coolant separator (A) in the engine block whenever the
engine block is replaced.
Install a new ...
Powertrain
...