TSB 21B14-S1 — Ford Service bulletin

21B14-S1 is a service bulletin on file with NHTSA for the Ford Explorer, 2013–2015 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Certain 2013 through 2017 Model Year Explorer and Police Interceptor Utility Vehicles that are Registered or Sold in Certain States/Provinces; Rear Toe Link Ball Joint Inspection This program is a proactive investigation by Ford Motor Company to obtain field data and parts for…

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

1Document filed
1Vehicle named
3Model years

Vehicles and model years 21B14-S1 names

VehicleModel years
Ford Explorer 2013, 2014, 2015

Every document filed under 21B14-S1

Document IDFiledType
21B14-S1 March 19, 2021 Service bulletin

What 21B14-S1 covers

Suspension — the component vocabulary NHTSA files this communication under.

← All Ford Explorer TSB years TSB lookup by model

Questions buyers ask

What is TSB 21B14-S1?

21B14-S1 is a service bulletin filed with NHTSA by Ford, covering the Ford Explorer across the 2013–2015 model years. NHTSA's summary reads: Certain 2013 through 2017 Model Year Explorer and Police Interceptor Utility Vehicles that are Registered or Sold in Certain States/Provinces; Rear Toe Link Ball Joint Inspection This program is a proactive investigation by Ford Motor Company to obtain field data and parts for…

Which vehicles does 21B14-S1 cover?

NHTSA's file names Ford Explorer (2013–2015). 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 21B14-S1 a recall, and is the repair free?

No. 21B14-S1 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 21B14-S1?

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 21B14-S1, 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 21B14-S1. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.