# Service bulletin 17298

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: 10156970
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: 17298
- Manufacturer's date: 2017\-08\-01
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

17298\-Service Update. Some 2017 vehicles may have been assembled with the wrong fasteners retaining the brake master cylinder to the brake vacuum booster. If this condition is present, it may not be noticed until mileage accumulates. Once mileage accumulates, potential exists for these fasteners to loosen gradually, resulting in brake pedal performance that is noisy, long in travel and spongy in behavior. Progressively longer stopping distances may also be experienced and, eventually, a driver information center \(DIC\) message of ?Service Brake Assist? will appear. Dealer will replace the brake master cylinder nuts.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10156970-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10156970-9999.pdf)

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

## Components

Brakes, Equipment and accessories, Brake master cylinder

## Vehicles listed

- 2017 CADILLAC ESCALADE
- 2017 CADILLAC ESCALADE ESV
- 2017 CHEVROLET SUBURBAN
- 2017 CHEVROLET TAHOE
- 2017 GMC YUKON
- 2017 GMC YUKON XL

JSON: [/v1/bulletins/10156970](/v1/bulletins/10156970)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2017298&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10156970&vehicle=Service%20bulletin%2017298)