Arrow Manufacturing Ram 4500, Arrow Manufacturing Ram 5500, model years 2019 to 2021. Filed by Arrow Manufacturing, Inc. and reported to NHTSA on 16 December 2021. 20 vehicles potentially affected.
What the notice says Arrow Manufacturing, Inc. (Arrow) is recalling certain 2019-2021 Ram 4500 and 5500 cab chassis equipped with LiquidSpring Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.). The rear brake caliper flexible line may contact a suspension component, causing a brake fluid leak.
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.
What owners ask about this recall
- Which vehicles does recall 21V974 cover?
- Arrow Manufacturing Ram 4500, Arrow Manufacturing Ram 5500, model years 2019-2021.
- What is wrong with them?
- Arrow Manufacturing, Inc. (Arrow) is recalling certain 2019-2021 Ram 4500 and 5500 cab chassis equipped with LiquidSpring Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.). The rear brake caliper flexible line may contact a suspension component, causing a brake fluid leak.
- What can happen if it is not put right?
- A brake fluid leak may cause partial or complete loss of the rear brakes, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Dealers installed a kit to modify the rear brake caliper flexible line mounting, and inspected and replaced worn brake lines as necessary, free of charge. All affected vehicles have been repaired and therefore no owner notification letters will be sent.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
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: “A brake fluid leak may cause partial or complete loss of the rear brakes, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 21V974 |
|---|---|
| Filed by | Arrow Manufacturing, Inc. |
| System at fault | Service Brakes, Hydraulic:Foundation Components:Disc:Caliper |
| Reported to NHTSA | 16 December 2021 |
| Model years | 2019-2021 |
| Vehicles named | ARROW MANUFACTURING RAM 4500, ARROW MANUFACTURING RAM 5500 |
What the notice says today
The consequence
A brake fluid leak may cause partial or complete loss of the rear brakes, increasing the risk of a crash.
The remedy
Dealers installed a kit to modify the rear brake caliper flexible line mounting, and inspected and replaced worn brake lines as necessary, free of charge. All affected vehicles have been repaired and therefore no owner notification letters will be sent. Owners may contact Arrow Manufacturing customer service at 1-712-261-3157.
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 583 notices in the record whose component field names service brakes, hydraulic. Across that group the median wait before owners were written to was 37 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 21V974, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v974/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
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 21V974 on 23 August 2026, they were:
- Defect summary
e9621089 - Consequence
5eeb7c54 - Remedy
855e22f7
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 21V974 · how the whole register is watched
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