Brake Booster

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the brake booster for:

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

For low or spongy brake pedal concerns:

check and, if necessary, refill the brake master cylinder reservoir.
bleed the brake system and retest the brake pedal feel.

For a slow or incomplete brake pedal return concern:

inspect for binding, damage, correct installation or interference at the brake pedal.
check the brake booster for binding, damage and correct installation.

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