Service bulletins for the 2019 Mazda MX-5
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
301 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Cooling system are shown. Show all
| 07-002-21-3774a | 2021-10-31. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Some vehicles may experience that the A/C does not blow cold air (blows warm air) due to a refrigerant leak. This is caused by a crack in the cooler pipe (HI) A (1) due to engine vibration. To correct this issue, the material and thickness of the cooler pipe (HI) A has been changed to increase durability (pipe diameter has been changed from 12mm to 16mm). |
|---|---|
| 07-002-21-3774 | 2021-03-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Some vehicles may experience that the A/C does not blow cold air (blows warm air) due to a refrigerant leak. This is caused by a crack in the cooler pipe (HI) A (1) due to engine vibration. To correct this issue, the material and thickness of the cooler pipe (HI) A has been changed to increase durability (pipe diameter has been changed from 12mm to 16mm). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.