Frontline Type I, Liquid Spring Ds135rs3-Dm, Liquid Spring Ds135rs3a, Liquid Spring Ds135rs3af, Marque Type I, Mccoy Miller Type I, model years 2018 to 9999. Filed by REV Ambulance Group Orlando, INC. and reported to NHTSA on 20 May 2020. 59 vehicles potentially affected.
What the notice says REV Ambulance Group Orlando, Inc. (REV) is recalling certain 2018-2020 Type 1 ambulances built on Ram 4500 and 5500 chassis equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF and DS135RS3-DM. The rear brake caliper flexible line may have been routed so that …
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 20V284 cover?
- Frontline Type I, Liquid Spring Ds135Rs3-Dm, Liquid Spring Ds135Rs3A, Liquid Spring Ds135Rs3Af, Marque Type I, Mccoy Miller Type I, Road Rescue Type I, Wheeled Coach Type I, model years 2018 onwards.
- What is wrong with them?
- REV Ambulance Group Orlando, Inc. (REV) is recalling certain 2018-2020 Type 1 ambulances built on Ram 4500 and 5500 chassis equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF and DS135RS3-DM.
- What can happen if it is not put right?
- A worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial or complete loss of the rear brakes, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. REV will notify owners, and dealers will dealers inspect the rear brake caliper flexible lines for wear and install a kit to modify the rear brake caliper flexible line mounting, and if necessary, a kit to replace worn brake lines, free of charge. The recall began July 15, 2020.
- 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 worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial or complete loss of the rear brakes, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 20V284 |
|---|---|
| Filed by | REV Ambulance Group Orlando, INC. |
| System at fault | Suspension:Rear |
| Reported to NHTSA | 20 May 2020 |
| Model years | 2018-9999 |
| Vehicles named | FRONTLINE TYPE I, LIQUID SPRING DS135RS3-DM, LIQUID SPRING DS135RS3A, LIQUID SPRING DS135RS3AF, MARQUE TYPE I, MCCOY MILLER TYPE I, ROAD RESCUE TYPE I, WHEELED COACH TYPE I |
What the notice says today
The consequence
A worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial or complete loss of the rear brakes, increasing the risk of a crash.
The remedy
REV will notify owners, and dealers will dealers inspect the rear brake caliper flexible lines for wear and install a kit to modify the rear brake caliper flexible line mounting, and if necessary, a kit to replace worn brake lines, free of charge. The recall began July 15, 2020. Owners may contact REV customer service at 1-855-661-9232.
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 732 notices in the record whose component field names suspension. Across that group the median wait before owners were written to was 33 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Frontline Type I recalls: 4 US campaigns
- Marque Type I recalls: 3 US campaigns
- Mccoy Miller Type I recalls: 4 US campaigns
- Road Rescue Type I recalls: 6 US campaigns
- Wheeled Coach Type I recalls: 5 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 20V284, wording as read on 16 September 2026. https://carsmultiverse.com/recall/20v284/
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.
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All 39 Rev campaigns we hold · Every manufacturer in the record
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 20V284 on 23 August 2026, they were:
- Defect summary
afc03660 - Consequence
55a4521b - Remedy
da23c58e
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 20V284 · how the whole register is watched
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