NHTSA Complaint #11664916 — 2017 MAZDA CX-5

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11664916
Vehicle	2017 MAZDA CX-5
Component	POWER TRAIN
Date of Incident	May 28, 2025
Date Filed	June 4, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NJ

Consumer Description

Rear differential began to leak. Mechanics (3) looked at the part and discovered play in both right and left side axles leading into rear differential along with loud clanking noises inside the differential itself. Seal areas on both sides of unit had extensive play. Diagnosed with worn gears inside rear differential. Vehicle is only 8 years old (bought brand new) and has 74,110 miles. Complaint filed with Mazda claiming that gears and rear differential should not have failed given the mileage. Mazda has advised me that the car was out of warranty (5yrs/60k mileage) that the repairs were not covered. They wanted me to drive my car to a local Mazda dealer but I declined since driving it may/would have caused more damage to differential. Advised them to have their mechanic go to my local repair facility where part was replaced and pick up the differential for verification. Research online has indicated other owners has suffered identical issues. Have not heard anything back from Mazda. Total cost to replace $3,993.49

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Other POWER TRAIN Complaints

#11691959 — October 7, 2025 — Rear differential failed around 97,000 miles. We were three months past our certified pre-owned warranty. Total cost ...

#11673657 — July 15, 2025 — The contact owns a 2017 Mazda CX-5. The contact stated while the vehicle was parked, there was an abnormal sound comi...

#11645743 — March 1, 2025 — Rear differential failed at roughly 80,000 miles. Depending on failure, unexpected loss of traction or a locking up o...

#11645438 — February 27, 2025 — Car was making popping noise, got it checked out at mechanic. Said rear differential had metal in the oil.

#11553292 — November 2, 2023 — Sudden jerking started when driving on a 45miles/hour with vehicle stopping suddenly. The issue was diagnosed by the ...

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