Polar Tank Srj7 Trailer, model year 2018. Filed by Polar Tank Trailer, LLC. and reported to NHTSA on 27 September 2017. 9 vehicles potentially affected.
What the notice says Polar Tank Trailer, LLC. (Polar) is recalling certain 2018 SRJ7 trailers manufactured with Meritor MTA/MTP trailer suspensions. The brake caliper bolts on these axles may not be properly torqued which can allow the caliper to detach from the mounting flange.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Polar's own number for this recall: C17AB. That is the number on the owner letter and on the dealer paperwork. 17V604 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 17V604 cover?
- Polar Tank SRJ7 Trailer, model year 2018.
- What is wrong with them?
- Polar Tank Trailer, LLC. (Polar) is recalling certain 2018 SRJ7 trailers manufactured with Meritor MTA/MTP trailer suspensions. The brake caliper bolts on these axles may not be properly torqued which can allow the caliper to detach from the mounting flange.
- What can happen if it is not put right?
- If the caliper bolts are improperly torqued and the caliper detaches from the mounting flange, a loss of braking ability would occur, increasing the risk of a crash.
- Is there a fix yet?
- Polar has notified the vehicle owners, instructing them to check the caliper bolts per the supplied bulletin, receiving reimbursement from Meritor. The recall began on October 4, 2017. Owners may contact Polar customer service at 1-320-746-2255 or Meritor at 1-866-668-7221.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Polar calls this recall C17AB, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “If the caliper bolts are improperly torqued and the caliper detaches from the mounting flange, a loss of braking ability would occur, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 17V604 |
|---|---|
| Filed by | Polar Tank Trailer, LLC. |
| System at fault | Service Brakes, Air:Disc:Caliper |
| Reported to NHTSA | 27 September 2017 |
| Model years | 2018-2018 |
| Vehicles named | POLAR TANK SRJ7 TRAILER |
What the notice says today
The consequence
If the caliper bolts are improperly torqued and the caliper detaches from the mounting flange, a loss of braking ability would occur, increasing the risk of a crash.
The remedy
Polar has notified the vehicle owners, instructing them to check the caliper bolts per the supplied bulletin, receiving reimbursement from Meritor. The recall began on October 4, 2017. Owners may contact Polar customer service at 1-320-746-2255 or Meritor at 1-866-668-7221. Polar's number for this recall is C17AB.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 353 notices in the record whose component field names service brakes, air. Across that group the median wait before owners were written to was 43 days.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 17V604 on 23 August 2026, they were:
- Defect summary
466187f7 - Consequence
e4a244e7 - Remedy
ecba82cd
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 17V604 · how the whole register is watched
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