MAZDA MAZDA3 (2020) recall — Service Brakes, Hydraulic
Mazda recalls 2020 Mazda3 vehicles with potentially loose front brake caliper bolts that could reduce braking or cause crashes. Free repairs available.
Use caution until it’s fixed
Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Contact the company & request your remedy
What happened, in plain English
Mazda is recalling 2020 Mazda3 vehicles with front brake caliper bolts that may not be tightened properly. This could reduce braking performance or cause wheel rotation issues, increasing crash risk. Owners should contact Mazda for free repairs. Read more at govinfonow.com/recall/79864-mazda-2020-mazda3-loose-brake-calipers-may-cause-crash-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/79864-mazda-2020-mazda3-loose-brake-calipers-may-cause-crash-risk · Updated October 4, 2026 · Official notice: NHTSA #20V346000
Cite this page
“Mazda 2020 Mazda3: Loose brake calipers may cause crash risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/79864-mazda-2020-mazda3-loose-brake-calipers-may-cause-crash-risk. Based on NHTSA recall #20V346000 (https://www.nhtsa.gov/recalls?nhtsaId=20V346000).
Why it’s dangerous
Loose brake caliper bolts can cause the calipers to move, reducing braking power or interfering with wheel rotation. This could lead to loss of vehicle control and increase crash risk during normal driving.
Who’s affected
Owners of 2020 Mazda3 vehicles are affected. Drivers and passengers at risk if the brake calipers become loose during normal use.
How to tell if you have this one
Check if your 2020 Mazda3 was manufactured after July 24, 2020. The recall covers vehicles with potentially loose front brake caliper mounting bolts.
- Brand
Mazda- Category
Vehicle
What to do — step by step
Contact Mazda
Call Mazda customer service at 1-800-222-5500, Option 4 to schedule a free brake caliper inspection.
Get free repair
If bolts are loose, Mazda will tighten them or replace the caliper at no cost.
What NHTSA says to do
Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Questions people ask
Why is this recall happening?
The front brake caliper mounting bolts may not have been tightened properly during assembly, potentially allowing calipers to loosen.
How can I check if my car is affected?
Check if your 2020 Mazda3 was manufactured after July 24, 2020. The recall covers vehicles with potentially loose front brake caliper mounting bolts.
What should I do if my car is affected?
Contact Mazda customer service at 1-800-222-5500, Option 4 to schedule a free brake caliper inspection or repair.
Contact Mazda
We’ve drafted a message you can send Mazda to request your refund or repair — edit it as you like.
Subject: Recall 20V346000 — Mazda Mazda Hello, I own a Mazda that is covered by recall 20V346000 from Mazda. The official recall notice states: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #20V346000 (December 6, 2020)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.