NHTSA Complaint #11548064 — 2018 MAZDA MAZDA6

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11548064
Vehicle	2018 MAZDA MAZDA6
Component	ENGINE
Date of Incident	September 29, 2023
Date Filed	October 3, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TX

Consumer Description

Coolant leaking from head, informed by dealer the cylinder head is cracked and the entire engine needs to be replaced. The engine has just hit 80k miles at this point. This issue caused multiple instances of overheating while driving, one of which caused the vehicle to fail to move forward while on an elevated freeway overpass with no shoulder during rush hour. This issue appears to be widespread for 2016 and newer Mazda models with the 2.5L turbo engine.

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