How serious did it get for owners?

6% of the 1,106 complaints report a tow, the most common serious outcome; the other outcomes counted below are rarer, and an owner can file without mentioning one.

Outcomes owners reported in complaints about this part

What it shows: Towed is the largest at 66, followed by Crash reported at 63; the smallest shown is Fire reported at 2.

Source: NHTSA owner complaint files · downloaded 2026-10-05

Data and chart by CalcScrape: Brake Booster Replacement Cost Calculator