Vehicle recall 16V524000 · July 11, 2016
Polar Tank DOT 406 Tank Trailer, DOT 407 Tank Trailer and 3 more models
These trailers are equipped with certain Bendix SR5 spring brake valves which may have been improperly machined which could cause a delay of application of the spring brakes…
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Polar Tank Trailer, LLC (Polar Tank) is recalling certain model year 2014-2016 DOT 406, DOT 407, DOT 412, MC 331 and Non-Code trailers manufactured January 1, 2014, to April 28, 2016. These trailers are equipped with certain Bendix SR5 spring brake valves which may have been improperly machined which could cause a delay of application of the spring brakes while parking.
- Consequence
- If there is a delay of the spring brake application, the trailer may roll away after it has decoupled from the tractor, increasing the risk of a crash or injury.
- Remedy
- Polar Tank Trailer will contact owners and provide a remedy kit, complete with instructions, to repair any affected SR-5 trailer relay valves, free of charge. The recall began on October 3, 2016. Owners may contact Polar Tank customer service at 1-320-746-2255.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 16V524000
- Reported to NHTSA
- July 11, 2016
- Filed by
- Polar Tank Trailer, LLC.
- Owner notification
- October 3, 2016
- Vehicles potentially affected
- 109
- Initiated by
- the manufacturer
- Components
- Parking brake
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Polar Tank DOT 406 Tank Trailer (2014-2016): 2016, 2015, 2014
- Polar Tank DOT 407 Tank Trailer (2014-2016): 2016, 2015, 2014
- Polar Tank DOT 412 Tank Trailer (2014-2016): 2016, 2015, 2014
- Polar Tank MC 331 Tank Trailer (2014-2015): 2015, 2014
- Polar Tank NON-Code Tank Trailer (2014-2016): 2016, 2015, 2014
Has your Polar Tank been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Polar Tank dealer can also check your VIN. Recall repairs are free.