How serious did it get for owners?

Among the 1,106 owner complaints naming this part, being towed is the outcome owners report most often.

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 · file downloaded 2026-10-05

Data and chart by CalcScrape: Brake Booster Replacement Cost Calculator