TSB 01-008-26 — Mazda Service bulletin
01-008-26 is a service bulletin on file with NHTSA for 4 Mazda models, 2013–2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the drive belt auto tensioner. This may be caused by insufficient…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 01-008-26 names
| Vehicle | Model years |
|---|---|
| Mazda CX-5 | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Mazda CX-9 | 2016, 2017, 2018, 2019, 2020 |
| Mazda Mazda3 | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| Mazda Mazda6 | 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Every document filed under 01-008-26
| Document ID | Filed | Type |
|---|---|---|
| 01-008-26 | May 1, 2026 | Service bulletin |
What 01-008-26 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 01-008-26?
01-008-26 is a service bulletin filed with NHTSA by Mazda, covering 4 Mazda models across the 2013–2021 model years. NHTSA's summary reads: This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the drive belt auto tensioner. This may be caused by insufficient…
Which vehicles does 01-008-26 cover?
NHTSA's file names Mazda CX-5 (2013–2020); Mazda CX-9 (2016–2020); Mazda Mazda3 (2014–2021); Mazda Mazda6 (2014–2020). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB 01-008-26 a recall, and is the repair free?
No. 01-008-26 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of 01-008-26?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 01-008-26, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 01-008-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.