Meritor Wabco Air Brake System, model year 9999. Filed by Meritor, Inc. and reported to NHTSA on 8 April 2021. 2,918 vehicles potentially affected.
What the notice says Meritor, Inc. (Meritor) is recalling certain TSE T2024 Air Chamber Part Number D3 3376T20. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which can cause the pressure plate to shift.
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 21E025 cover?
- Meritor Wabco Air Brake System.
- What is wrong with them?
- Meritor, Inc. (Meritor) is recalling certain TSE T2024 Air Chamber Part Number D3 3376T20. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which can cause the pressure plate to shift.
- What can happen if it is not put right?
- The pressure plate may tear the diaphragm, causing a loss of air pressure, and increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Meritor will notify the affected vehicle OEMs and will inspect the pressure plate and replace brake chambers where the pressure plate has shifted, free of charge. Owner letters were mailed May 10, 2021. Owners may contact Meritor customer service 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.
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: “The pressure plate may tear the diaphragm, causing a loss of air pressure, and increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 21E025 |
|---|---|
| Filed by | Meritor, Inc. |
| System at fault | Service Brakes, Air |
| Reported to NHTSA | 8 April 2021 |
| Model years | 9999-9999 |
| Vehicles named | MERITOR WABCO AIR BRAKE SYSTEM |
What the notice says today
The consequence
The pressure plate may tear the diaphragm, causing a loss of air pressure, and increasing the risk of a crash.
The remedy
Meritor will notify the affected vehicle OEMs and will inspect the pressure plate and replace brake chambers where the pressure plate has shifted, free of charge. Owner letters were mailed May 10, 2021. Owners may contact Meritor customer service at 1-866-668-7221.
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.
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 21E025, wording as read on 15 September 2026. https://carsmultiverse.com/recall/21e025/
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.
Other Meritor notices we hold
- 24E103: 10-16K and 18-23K front steer drive axles, part numbers FSD 8-16K and FSD 18
- 24E062: replacement tie rods equipped with USK ball studs, part numbers A1-3102F4738, A1-3102E4737, and A1-3102P4748
- 23E031: front drive steer axles, models MFS and FF, with part numbers MFS20133ANK66, MFS20133ANK86, and FF961LX296
- 23E022: front drive steer axles, models MX23810 and MX24810, with part numbers MX23810DANC12-538, and MX24810DANC3-614
- 22E085: Front Non-Drive Steer Axles, FL941 & MFS Series
- 22E027: 180 Series Drive Pinions
- 21E098: 180 Series Drive Pinions
- 21E028: 14Xe ePowertrains part numbers A-3200A2653-657, A-3200D2656-478
All 34 Meritor 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 21E025 on 23 August 2026, they were:
- Defect summary
1605a384 - Consequence
90c4ff64 - Remedy
3d06bb22
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 21E025 · how the whole register is watched
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