# Service bulletin REC15504

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: 10125328
- Published by NHTSA: 2017\-12\-14
- Manufacturer's number: REC15504
- Manufacturer's date: 2015\-06\-17
- NHTSA component: SERVICE BRAKES, HYDRAULIC; PARKING BRAKE

## NHTSA's summary

A diaphragm in the spring brake chamber may not be seated fully into the pressure plate and may cause internal leakage in the chamber, resulting in the parking brake to not fully release and drag.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10125328-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10125328-0001.pdf)

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

## Components

Brakes, Parking brake

## Vehicles listed

- 2015 IC BUS CASB
- 2016 IC BUS CESB
- 2015 to 2016 INTERNATIONAL 9900
- 2015 to 2016 INTERNATIONAL DURASTAR
- 2015 INTERNATIONAL LONESTAR
- 2016 INTERNATIONAL LONESTAR
- 2015 to 2016 INTERNATIONAL PAYSTAR
- 2015 INTERNATIONAL PROSTAR
- 2016 INTERNATIONAL PROSTAR
- 2015 to 2016 INTERNATIONAL TRANSTAR
- 2015 INTERNATIONAL WORKSTAR
- 2016 INTERNATIONAL WORKSTAR

## Other bulletins for the same vehicles and component

- [IK0400077](/bulletins/10157953.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE. FLR\-10 Bendix Wingman Misalignment Issues; only models with Feature Code 08TKY Wingman FLR\-10 Radars

JSON: [/v1/bulletins/10125328](/v1/bulletins/10125328)

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