Leaking brake pipe, hose, or connection.

Refer to Brake Pipe Replacement .

Leaking piston seal.

Refer to Brake Caliper Overhaul .

Leaking master cylinder.

Refer to Brake Fluid Leak .

Restricted passage in the booster.

Refer to Power Brake Booster Replacement .

Damaged booster.

Refer to Power Brake Booster Replacement .

Improper thickness variation.

Refer to Component Specifications .

Excessive lateral run-out.

Refer to Brake Rotor Lateral Runout Check .

Restricted brake fluid passage.

Refer to Power Brake Booster Replacement .