Power Steering Fluid Cooler Removal/Installation

Raise the vehicle.
Remove the nuts.

Fig 1: Removing Nuts - With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Loosen the clamp and disconnect the hose.
1. Drain the fluid into a suitable container.
  
  Fig 2: Disconnecting Hose
  Courtesy of MAZDA MOTORS CORP.
Loosen the clamp, disconnect the hose and remove the cooler.

Fig 3: Loosening Clamp & Disconnecting Hose
Courtesy of MAZDA MOTORS CORP.
To install, reverse the removal procedure.
Fill, purge and leak check the system.