The 2017 Chevy Malibu LT is equipped with a vacuum brake booster, which uses engine vacuum to assist in applying the brakes. If the brake vacuum pump is not functioning correctly or is completely non-operational, it can still be possible to drive the vehicle. However, the driving experience will be significantly different, and you will need to apply much more force on the brake pedal to stop the car effectively.
Without the vacuum brake booster, the braking system will rely solely on the hydraulic force generated when you press the brake pedal. This means you'll need to exert more physical effort to bring the car to a stop, and the braking distance may be longer. It could also affect the overall braking performance, making emergency stops more challenging.
Driving without a properly functioning brake vacuum pump is not recommended, as it compromises safety and could lead to potential accidents. If you suspect an issue with your brake vacuum pump or braking system, it's essential to have the vehicle inspected and repaired by a qualified mechanic as soon as possible to ensure safe operation.