The service and repair manual for the 2021 Mazda CX-30 — 2.5L I4 and 2.5L I4 and 2.0L I4 engines, 7 trims. Matched to this exact model year, so the specifications and sequences are the ones Mazda published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 2.5L I4 — 152 cu in, DOHC, turbocharged 2.5L I4 — 152 cu in, DOHC 2.0L I4 — 122 cu in, DOHC |
| Trims | 2.5 Turbo Sport Utility 4-Door · 2.5 S Sport Utility 4-Door · GT Sport Utility 4-Door · GX Sport Utility 4-Door · i Grand Touring Sport Utility 4-Door · GS Sport Utility 4-Door +1 |
| Federal record | 2 recalls · 130 complaints · 596 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 CX-30 manual
03 / ContentsSections in the manual
- Quick Lookups 137
- General Information 1,911
- Accessories & Equipment 4,963
- Heating, Ventilation & A/C (HVAC) 713
- Body & Frame 568
- Maintenance 24
- Brakes 742
- Restraints 228
- Drivelines & Axles 124
- Steering 105
- Electrical 379
- Suspension 83
- Engine Mechanical 572
- Transmission 375
- Engine Performance 2,472
- Loosen 180
04 / Known issuesRecalls on federal record for the 2021 CX-30
- Tires — valve · 21V101000A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increas.
- Structure — body › hatchback/liftgate · 21V086000If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the v.
Owners have filed 130 complaints and Mazda has issued 596 technical service bulletins for the 2021 CX-30. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 CX-30 manual
Is this manual specific to the 2021 CX-30?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.5L I4 and 2.5L I4 and 2.0L I4 across the 2.5 Turbo Sport Utility 4-Door, 2.5 S Sport Utility 4-Door, GT Sport Utility 4-Door, GX Sport Utility 4-Door, i Grand Touring Sport Utility 4-Door, GS Sport Utility 4-Door, I Sport Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Mazda published for this year.
What 2021 CX-30 problems does it help with?
2 recalls are on federal record for the 2021 CX-30, covering tires, structure. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mazda dealers.
Does it include 2021 CX-30 wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther CX-30 years and 2021 Mazda models
2024 CX-30 · 2023 CX-30 · 2022 CX-30 · 2020 CX-30 · all 5 years
2021 Mazda 2 · 2021 Mazda 3 · 2021 Mazda 3 Sport · 2021 Mazda 6 · 2021 Mazda CX-3 · 2021 Mazda CX-5 · 2021 Mazda CX-9 · 2021 Mazda MX-5 · 2021 Mazda MX-5 Miata · every 2021 model