Hearth Record

Parking brake (Polar Tank)

Vehicle recall 16V-524. NHTSA received Polar Tank Trailer, LLC.’s report on Jul 11, 2016.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received Polar Tank Trailer, LLC.’s report on Jul 11, 2016. Copied from NHTSA on Oct 19, 2026.

Every line below is in NHTSA’s own words, with its source beside it.

What’s wrong with it?

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.

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.

Source:

NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.

  • NHTSA’s part: Parking brake.

What should you do?

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.

Source:

NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.

  • How to reach the firm: 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.
  • Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.

Which ones are recalled?

NHTSA counts 109 vehicles potentially involved, across everything this recall names.

Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.

Source:

NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.

  • Polar Tank MC 331 Tank Trailer2015and 2014, before the model years listed here
  • Polar Tank DOT 412 Tank Trailer20162015and 2014, before the model years listed here
  • Polar Tank DOT 406 Tank Trailer20162015and 2014, before the model years listed here
  • Polar Tank NON-Code Tank Trailer20162015and 2014, before the model years listed here
  • Polar Tank DOT 407 Tank Trailer20162015and 2014, before the model years listed here

Who is recalling it?

  • Made by Polar Tank Trailer, LLC..
Source:

NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
  • Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

  • National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).

    Released Oct 19, 2026 and checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work).

Source:

Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 19, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

From the homeNone yet. Replies and paid listings aren’t open, and when they open they will sit here, below the record.

1 of 4

Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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