# Service bulletin 21502

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10194930
- Published by NHTSA: 2021\-06\-03
- Manufacturer's number: 21502
- Manufacturer's date: 2021\-05\-28
- NHTSA component: PARKING BRAKE

## NHTSA's summary

The spring inside the spring brake chamber may allow the pressure plate to shift and wear a hole through the diaphragm resulting in an air leak.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194930-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194930-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Parking brake

## Vehicles listed

- 2021 INTERNATIONAL LT
- 2021 INTERNATIONAL RH

JSON: [/v1/bulletins/10194930](/v1/bulletins/10194930)

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