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Home >> BMW >> 1988 >> 325is Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (E30) >> Troubleshooting >> Symptom I: Brakes Squeal Or Rattle

Symptom I: Brakes Squeal Or Rattle

SYMPTOM I: BRAKES SQUEAL OR RATTLE

Cause Solution
Wrong Type Of Pads/Liners Replace Brake Pads/Liners
Dirty Floating Caliper Recesses Remove & Install Clean Floating Calipers
Spring Force Insufficient Replace Spring
Brake Disc Not Aligned With Floating Caliper Check Floating Caliper Installation
Brake-Disc Runout Check Brake Disc for Runout, Replace If Necessary
Excessive Thickness Deviation Within Braking Surface Measure Thickness Of Brake Disc, Grind Down Discs Or Replace
Brake Drums Eccentric Grind Or Replace Drums
Knocking Brake Drums Grind Or Replace Drums
Dirt & Dust In Brake Drums Clean & Check Brake Drums
Pad Wear Excessive Or One-Sided Replace Brake Pads
Rust Edges On Brake Discs Grind Or Replace Brake Discs
Pad Loose Replace Brake Pads
Wheel Bearing Play Excessive Replace Wheel Bearings