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CONDITION POSSIBLE CAUSES CORRECTION 4. Brake shoe lining transfer to brake 4. Reface or replace brake rotors as EXCESSIVE PEDAL 1. Power brake booster runout 1. Check booster vacuum hose and EXCESSIVE PEDAL 1. Air in brake lines. 1. Bleed brakes. 2. Rear drum brake auto-adjuster 2. Inspect and replace drum brake EXCESSIVE PEDAL 1. One of the two hydraulic circuits is 1. Inspect system for leaks. Check PEDAL PULSATES/ 1. Rear brake drum out of round or 1. Isolate condition as rear or front. PEDAL IS SPONGY 1. Air in brake lines. 1. Bleed brakes. PREMATURE REAR 1. Contaminated brake shoe linings. 1. Inspect and clean, or replace shoes. 2. Inoperative proportioning valve 2. Test proportioning valves following 3. ABS EVBP not functioning. 3. Refer to the ABS section and STOP LAMPS STAY ON 1. Brake lamp switch out of 1. Replace brake lamp switch and 2. Brake pedal binding. 2. Inspect and replace as necessary. 3. Power Brake Booster not allowing 3. Replace power brake booster. VEHICLE PULLS TO 1. Frozen brake caliper piston. 1. Replace frozen piston or caliper. 2. Contaminated brake shoe lining 2. Inspect and clean, or replace shoes. 3. Pinched brake lines. 3. Replace pinched line. 4. Leaking piston seal. 4. Replace piston seal or brake caliper. 5. Suspension problem. 5. Refer to the Suspension group. 5 - 6 BRAKES - BASE PL/SRT-4 BRAKES - BASE (Continued) |