NHTSA Complaint #11532236 — 2017 MAZDA CX-9

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11532236
Vehicle	2017 MAZDA CX-9
Component	ENGINE
Date of Incident	July 11, 2023
Date Filed	July 14, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MO

Consumer Description

Engine cylinder cracked causing overheating and need for a total engine replacement. Service technician said that crack was due to an in factory assembly error - overtightening of components of the exhaust system. This is an issue that has happened in other Mazda CX-9's and Mazda is aware of the problem. Vehicle overheated while on a very busy highway and throttled my speed - I could have easily been hit while trying to get to a safe place to park.

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