# Service bulletin TCH\-003\-056

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: 10241893
- Published by NHTSA: 2023\-09\-06
- Manufacturer's number: TCH\-003\-056
- Manufacturer's date: 2023\-08\-22
- NHTSA component: PARKING BRAKE

## NHTSA's summary

Technical Bulletin for Bendix PP\-1 and PP\-8 \(push pull valves\) describing methods for leak detection while installed on the vehicle. This bulletin addresses high park brake cycle count applications where the valve applications like refuse haulers or city bus applications which also contain fittings or plumbing attached to the exhaust port.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241893-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241893-9999.pdf)

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

## Components

Brakes, Parking brake

## Vehicles listed

- BENDIX DASH CONTROL VALVE

JSON: [/v1/bulletins/10241893](/v1/bulletins/10241893)

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