NHTSA Complaint #11713224 — 2021 MAZDA MAZDA3

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11713224
Vehicle	2021 MAZDA MAZDA3
Component	POWER TRAIN
Date of Incident	February 2, 2025
Date Filed	January 25, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MO

Consumer Description

My rear differential case cracked, anytime the four wheel drive system was engaged the entire drivetrain would lock up. Luckily we were only on side roads so going less than 30 mph if we had been on the highway when this happened we could have been in an accident or lost control. The dealer did confirm the problem and it was fixed under an extended warranty. There was no warning just all of a sudden a loud bang and all the wheels locked up. I have a copy of the video inspection done at the dealer if there's anyway to send that. I can get a copy of the repair invoice if needed

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