Power Steering Fluid Inspection
1. Verify that the fluid level is between MAX and MIN of the sub tank when the engine is cold.
If the fluid is not at the specified level, adjust the fluid level (MIN-MAX on sub tank) by adding/draining the fluid.
- Power steering fluid type
Mazda Genuine ATF M-III, M-V or equivalent (e.g. Dexron ® II)
- Power steering fluid capacity (approx. quantity)
1.0 L {1.1 US qt, 0.88 lmp qt}
1. Start the engine and idle it.
2. Turn the steering wheel fully to left or right, to generate the fluid pressure.
CAUTION:Do not maintain the steering wheel fully turned for 5 s or more. It is possible that oil temperature can rise and this will negatively affect the oil pump.
3. Inspect for the fluid leakage at the points indicated in the figure.

If fluid leakage is found, repair or replace the related parts..
Test yourself
A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.