TROUBLESHOOTING (Cont'd) Problem | Possible cause | Remedy | Page Squeling and squeaking noise when brakes are not applied | Mal-adjustment of brake pedal or booster push rod | Inspect and adjust | BR-5, 21 | Poor return of brake booster or master cylinder | Inspect, repair or replace | BR-9, 20 | (Disc brake) | | | Rusted or stuck piston | Inspect and lubricate as necessary | BR-26, 34 | Improper positioning of pad in caliper | | | Rotor rubbing against caliper housing | | | Improper installation of disc brake pad support plate | | BR-23, 31 | Pad wear and pad wear indicator making contact with the rotor | Replace | BR-23, 31 | (Drum brake) | | | Weak, damaged or incorrect shoe hold-down springs | | | Grooved backing plate ledges | | | Bent or warped backing plate causing interference with drum | Repair or replace | | Improper machining of drum causing interference with backing plate or shoe | Replace drum | | Other brake system components: | Inspect, repair or replace as necessary | | Loose or extra parts in brakes | | | Rear drum brake adjustment too tight causing lining to glaze | | | Worn, damaged or insufficiently lubricated wheel bearings | | Groaning, clicking or rattling noise when brakes are not applied | Stones or foreign material trapped inside wheel covers | Remove foreign material | | Loose wheel nuts | Tighten to correct torque | | | Replace if stud holes are elongated | | Mal-adjustment of brake pedal or booster push rod | Inspect and adjust | BR-5, 21 | Worn, damaged or dry wheel bearings | Inspect and lubricate or replace | | (Disc brake) | | | Loose or missing anti-rattle spring or pad support plate or crimping on outer pad | Inspect, repair or replace | BR-23, 31 | Failure of shim | Inspect, replace if necessary | BR-23, 31 | Wear on slide bushing | Inspect, replace if necessary | BR-26, 34 | Loose installation bolt | Inspect, tighten if necessary | BR-26, 34 | Poor return of piston | Inspect, repair or replace | BR-26, 34 | (Drum brake) | | | Loose or extra parts | Inspect and repair | BR-39