Service bulletin 07-002-21-3774
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10188019 |
| Published by NHTSA | 2021-03-03 |
| Manufacturer's number | 07-002-21-3774 |
| Manufacturer's date | 2021-02-01 |
| NHTSA component | ENGINE AND ENGINE COOLING:COOLING SYSTEM |
NHTSA's summary
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 document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Cooling system
| MAZDA MX-5 | 2016, 2017, 2018, 2019, 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 07-002-21-3774a | 2021-10-31. Service bulletin. 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). |
|---|