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βš™οΈTransmission Fluid

Mazda CX-30 Transmission Fluid

Find the correct transmission fluid type and capacity for your Mazda CX-30. Covers automatic and manual transmissions for all years.

Quick Answer

The Mazda CX-30 transmission fluid type depends on your transmission β€” automatic models typically use ATF WS, Dexron, or manufacturer-specific fluid. Manual transmissions use gear oil. See the year breakdown below.

2020-2024

2020-2024
Automatic Fluid TypeATF WS, Dexron VI, or manufacturer-specific (varies)
Auto Drain & Fill3.5 - 4.0 quarts
Auto Total Capacity7.0 - 12.0 quarts
Manual Fluid Type75W-90 gear oil or MTF (if equipped)
Manual Capacity2.0 - 3.0 quarts
Change Interval60,000 - 100,000 miles (auto), 30,000 - 60,000 (manual)
Notes
  • β†’Use ONLY the manufacturer-specified fluid β€” wrong ATF can damage the transmission
  • β†’Check transmission fluid level with engine running and at operating temperature
  • β†’Many modern transmissions are "sealed" β€” fluid checks require removing a fill plug underneath
  • β†’Dark, burnt-smelling fluid indicates overheating β€” change immediately

Frequently Asked Questions

What transmission fluid does a Mazda CX-30 use?
The Mazda CX-30 transmission fluid type depends on the year and transmission. Automatic transmissions use ATF WS, Dexron VI, or manufacturer-specific fluid. Manual transmissions use 75W-90 gear oil. See below for your specific year.
How much transmission fluid does a Mazda CX-30 take?
A drain-and-fill on the Mazda CX-30 automatic transmission typically takes 3.5-4.0 quarts. The total system capacity is 7-12 quarts. For a complete fluid exchange, you'll need the full capacity amount.
How often should I change transmission fluid in my Mazda CX-30?
Change your Mazda CX-30 automatic transmission fluid every 60,000-100,000 miles under normal conditions. For severe duty (towing, mountain driving, hot climates), change every 30,000-60,000 miles.
Does the Mazda CX-30 have a transmission dipstick?
Many 2010+ Mazda CX-30 models have sealed transmissions with no dipstick. Fluid level is checked via a fill plug underneath the vehicle. Older models typically have a traditional dipstick under the hood.

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