TSB SSM-47830 — Ford Service bulletin

SSM-47830 is a service bulletin on file with NHTSA for the Ford Mustang, 2011–2014 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. Some 5.0L 4V engines may exhibit a tick/tap/rattle or knock immediately after secondary timing chain tensioner installation. In some cases the secondary timing chain tensioners are not fully released during installation.To confirm, remove both valve covers and inspect the…

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

2Documents filed
1Vehicle named
4Model years

Vehicles and model years SSM-47830 names

VehicleModel years
Ford Mustang 2011, 2012, 2013, 2014

Every document filed under SSM-47830

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
SSM 47830 February 26, 2019 Service bulletin
SSM 47830 February 26, 2019 Service bulletin

What SSM-47830 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Ford Mustang TSB years TSB lookup by model

Questions buyers ask

What is TSB SSM-47830?

SSM-47830 is a service bulletin filed with NHTSA by Ford, covering the Ford Mustang across the 2011–2014 model years. NHTSA's summary reads: Some 5.0L 4V engines may exhibit a tick/tap/rattle or knock immediately after secondary timing chain tensioner installation. In some cases the secondary timing chain tensioners are not fully released during installation.To confirm, remove both valve covers and inspect the…

Which vehicles does SSM-47830 cover?

NHTSA's file names Ford Mustang (2011–2014). 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 SSM-47830 a recall, and is the repair free?

No. SSM-47830 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 SSM-47830?

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 SSM-47830, 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 SSM-47830. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.