Brake Booster: Overview

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the brake booster for the following:

excessive corrosion or damage
vacuum connections for leakage
vacuum hoses for kinks or leakage
brake booster check valve for correct operation

Changes in the brake pedal feel or travel are indicators that something could be wrong in the brake system. GO to SYMPTOM CHART for abnormal condition diagnosis.