1. Remove the drain plug with the washer.
2. Drain the oil into a suitable container.
3. Install a new washer and the drain plug.
Tightening torque 40-58 N·m {4.0-6.0 kgf·m, 29-43 ft·lbf}
4. Remove the oil level plug with washer and add nthe specified amount and type of oil through the oil level plug hole until the level reaches the bottom of the oil level plug hole.
Specified oil viscosity All-season: SAE 75W-90
Above 10 ° C {50 ° F}: SAE 80W-90 Capacity (approximate quantity) 2.87 L {3.03 US qt, 2.53 lmp qt}

5. Install a new washer and the oil level plug.
Tightening torque 40-58 N·m {4.0-6.0 kgf·m, 29-43 ft·lbf}
Transaxle oil inspection
Oil seal (differential) replacementMazda 6 Service Manual: Power steering oil pump disassembly/assembly
Note
The following procedure is for replacement of the O-ring and oil
seal only. Replace the pump component if other repairs are necessary.
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
Power Steering Oil Pump Component Disassemb ...
Mazda 6 Service Manual: Headlight cleaner nozzle removal/installation
1. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION)
2. Disconnect the headlight cleaner hose. (See HEADLIGHT CLEANER HOSE
REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
5. Adjust the headlight cleaner nozzle. ...