Hearth Record

Service brakes, air: disc: chamber; service brakes, air (Meritor Wabco)

Vehicle equipment recall 21E-025. NHTSA received Meritor, Inc.’s report on Apr 8, 2021.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received Meritor, Inc.’s report on Apr 8, 2021. Copied from NHTSA on Oct 20, 2026.

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

What’s wrong with it?

The pressure plate may tear the diaphragm, causing a loss of air pressure, and increasing the risk of a crash.

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.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • NHTSA’s part: Service brakes, air: disc: chamber.
  • NHTSA’s part: Service brakes, air.

What should you do?

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.

Source:

NHTSA, Recalls flat file. Released Oct 20, 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.

Which ones are recalled?

NHTSA counts 2,918 items potentially involved, across everything this recall names.

  • Part no. TSE T2024
Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • Meritor Wabco Air Brake SystemNHTSA gives no dates made

Who is recalling it?

  • Made by Meritor, Inc..
Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt.
  • Which ones, by part or lot: the recall’s report on NHTSA’s site gives them where the maker did; this file gives part numbers only where its maker listed them.
  • 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 20, 2026 and checked Oct 20, 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 20, 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.

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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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