TSB B14-025 — Acura Service bulletin

B14-025 is a service bulletin on file with NHTSA for 2 Acura models, 2014–2015 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Service Bulletin - The timing belt area makes a chirping noise after the engine warms up.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
2Vehicles named
2Model years

Vehicles and model years B14-025 names

VehicleModel years
Acura MDX 2014, 2015
Acura TLX 2015

Every document filed under B14-025

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
B14-025 September 18, 2020 Service bulletin
B14-025 August 6, 2020 Service bulletin

What B14-025 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Acura MDX TSB years TSB lookup by model

Questions buyers ask

What is TSB B14-025?

B14-025 is a service bulletin filed with NHTSA by Acura, covering 2 Acura models across the 2014–2015 model years. NHTSA's summary reads: Service Bulletin - The timing belt area makes a chirping noise after the engine warms up.

Which vehicles does B14-025 cover?

NHTSA's file names Acura MDX (2014–2015); Acura TLX (2015). 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 B14-025 a recall, and is the repair free?

No. B14-025 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 B14-025?

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 B14-025, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 B14-025. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.