TSB B18-009 — Acura Service bulletin
B18-009 is a service bulletin on file with NHTSA for 2 Acura models, 2009–2013 model years, filed and re-filed as 6 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service Bulletin - The oil control rings may become clogged with carbon deposits. These deposits restrict the ring's ability to scrape and return oil from the cylinder wall to the crankcase, which can result in excessive engine oil consumption that may exceed client…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B18-009 names
Every document filed under B18-009
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 ID | Filed | Type |
|---|---|---|
| B18-009 | April 30, 2019 | Service bulletin |
| B18-009 | May 11, 2018 | Service bulletin |
| B18-009 | May 2, 2018 | Service bulletin |
| B18-009 | April 12, 2018 | Service bulletin |
| B18-009 | March 20, 2018 | Service bulletin |
| B18-009 | March 16, 2018 | Service bulletin |
What B18-009 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B18-009?
B18-009 is a service bulletin filed with NHTSA by Acura, covering 2 Acura models across the 2009–2013 model years. NHTSA's summary reads: Service Bulletin - The oil control rings may become clogged with carbon deposits. These deposits restrict the ring's ability to scrape and return oil from the cylinder wall to the crankcase, which can result in excessive engine oil consumption that may exceed client…
Which vehicles does B18-009 cover?
NHTSA's file names Acura MDX (2010–2013); Acura TL (2009–2011). 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 B18-009 a recall, and is the repair free?
No. B18-009 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 B18-009?
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 B18-009, 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 B18-009. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.