Ford Motor Company (NYSE: F) is recalling ~124,000 model year 2017-2018 F-150, Expedition, and Lincoln Navigator SUVs. The brake master cylinder may allow brake fluid to leak from the front wheel circuit into the brake booster. Complaints to the National Highway Traffic Safety Administration prompted this latest Ford recall expansion of a previous safety recall.

“In some of the affected vehicles, a seal in the rear of the brake master cylinder may become compromised, allowing brake fluid to leak into the brake booster. If the brake fluid reservoir is depleted below a predetermined level, the driver will be alerted that brake system service is required by a combination of an audible chime, a full screen message center alert, and illumination of the red brake warning indicator,” Ford said in the mandatory safety defect recall notification made public this morning by NHTSA.

“If the brake fluid reservoir continues to be depleted, the driver may experience a change in brake pedal travel and feel, and reduced brake function in the front wheels without affecting brake function in the rear wheels. Reduced brake function in the front wheels can extend stopping distance, increasing the risk of a crash,” Ford said.