LEMON Manuals: Even more car manuals for everyone
Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Base Brakes (Service Information) - 500 - Electric) >> Diagnosis And Testing >> Diagnosis And Testing - Base Brake System >> Diagnosis And Testing - Base Brake System Diagnosis Charts >> Brake Noise

Brake Noise

WARNING: This page is about a different variant/trim than selected.
CONDITION POSSIBLE CAUSES CORRECTION
CLICK OR SQUAWK ON PEDAL APPLICATION 1.Brake brake pedal position sensor. 1.Replace the brake pedal position sensor. Refer to REMOVAL .
2.Brake Transmission Shift Interlock Linkage (BTSI). 2.Lubricate the BTSI linkage if equipped.
3.Pedal pivot bushings. 3.Replace the brake pedal. Refer to REMOVAL .
DISC BRAKE CHIRP 1. Excessive brake rotor runout. 1. Diagnose and correct as necessary. Refer to DIAGNOSIS AND TESTING .
2.Lack of lubricant on brake caliper slides. 2.Lubricate brake caliper slides.
3.Caliper/shoes not fully seated. 3.Reseat caliper/shoes.
4.Inspect linings for contamination. 4.Remove source of contamination.
5. Coating worn on abutment. 5. Replace abutment clips.
DISC BRAKE RATTLE OR CLUNK 1. Broken or missing anti-rattle spring clips. 1. Replace anti-rattle spring clips/shims and brake pads.
2. Caliper guide pin bolts loose. 2. Tighten guide pin bolts.
SQUEAK/SQUEAL 1. Brake shoe/pad linings. 1. Replace brake shoes/pads.
SCRAPING (METAL-TO-METAL). 1. Foreign object interference with brakes. 1. Inspect brakes and remove foreign object.
2. Brake shoes/pads worn out. 2. Replace brake shoes/pads. Inspect rotors. Reface or replace as necessary.
3. Rock caught between splash shield and rotor. 3. Remove trapped rock(s).
SCRAPING OR WHIRRING 1. Wheel speed sensor hitting tone wheel. 1. Inspect, correct or replace faulty component(s).