Transmission Oil Replacement

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Position the vehicle on level ground.
Remove oil filler plug and drain plug, and then drain the oil.

Fig 1: Removing Oil Filler And Drain Plug
Courtesy of MAZDA MOTORS CORP.
Clean drain plug.
Install drain plug and a new washer.
Tightening torque
1. 27-48 N.m {2.8-4.9 kgf.m, 20-35 ft.lbf}
Add the specified amount and type of oil through the plug port for oil filler plug to near the brim of the port.

Fig 2: Adding Specified Amount And Type Of Oil Through Plug Port
Courtesy of MAZDA MOTORS CORP.

Specified oil grade
1. API Service GL-4
Specified oil viscosity
1. SAE 75W-90
Capacity (approx. quantity)
1. 1.75 L {1.85 US qt, 1.54 Imp qt}
Install oil filler plug and a new washer.
Tightening torque
1. 27-48 N.m {2.8-4.9 kgf.m, 20-35 ft.lbf}
Fig 3: Installing Oil Filler Plug
Courtesy of MAZDA MOTORS CORP.