Mazda MX-5 2016–2018 — technical service bulletin
Bulletin 07-004-18-3461b · NHTSA communication 10144328 · issued Aug 1, 2018
Technical service bulletin
communication type
Equipment
component
2016–2018
model years
3
vehicle entries
Official 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. (1) Cooler pipe (HI) A (2) A/C compressor (3) Condenser Location of cracking.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.