Refrigerant Lines Description

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Main component of the A/C system are connected with five pipes and two hoses.
To prevent O-rings from falling off while piping work is being done, stay-on O-rings are used on block piping connections.

Fig 1: A/C Hose/Pipe Description Table
Courtesy of MAZDA MOTORS CORP.

Fig 2: A/C System Component/Refrigerant Flow Diagram
Courtesy of MAZDA MOTORS CORP.