One problem related to brake master cylinder has been reported for the 2017 Chevrolet Express. The most recently reported issues are listed below.
My employer has three on a lease with bad master cylinder rear section proportioning valve not allowing cold driving rear brakes unless pumping brake pedal hard.
| Brake Master Cylinder problems | |
| Brake Light On problems | |
| Service Brakes problems | |
| Brake Abs Warning Light problems |