For 1990-2009 cars

Causes | Correction
--- | ---
Glazed brake linings | Replace the brake linings.
Leaking vacuum booster | Replace the vacuum booster.
Restricted passage in the vacuum booster | Locate and fix the source of the vacuum restriction in the vacuum booster.
Damaged vacuum booster | Replace the vacuum booster.
Worn out brake linings | Replace the brake linings.
Incorrect lining material | Replace the brake linings.
Contaminated brake linings | Replace the brake linings.
Linings damaged by abusive use | Replace the brake linings.
Restricted brake fluid passage | Locate and repair the brake fluid passage restriction.
Brake pedal linkage interference or binding | Repair or replace the brake pedal linkage.
Operator riding the brake pedal | Advise the operator of proper brake usage.
Low engine vacuum | Diagnose the low engine vacuum condition.
Excessive vehicle loading | Refer to the tire placard for the vehicle capacity specification.