Soft, Hard Or Excessive Brake Pedal Travel

Possible causes include the following:

• Faulty inlet valve or outlet valve. See TEST L  under DIAGNOSTIC TESTS.
• Hydraulic leak (soft pedal), air in brake system (soft pedal), little or no vacuum boost (hard pedal), stuck or inoperative wheel cylinder or caliper (hard pedal), pinched or crimped brake line or hose (hard pedal). Repair or replace mechanical parts as needed.