PDF BRAKE SYSTEM DIAGRAM - Ray's Best Brakes

BRAKE SYSTEM DIAGRAM

Caliper Assembly (see below)

MASTER CYLINDER ASSEMBLY

Master Cylinder

Brake Hose

Vacuum Booster

Backing Plate

Splash Shield

Brake Line

Brake

Warning Light

HUB AND ROTOR (dash mounted)

ASSEMBLY

Rotor

Proportioning Valve

Brake Pedal

Parking Brake Cable

Parking Brake Pedal

Equalizer Brake Hose

REAR DRUM BRAKE

ASSEMBLY

Brake Drum

Brake Line Brake Caliper

Brake Pads

Primary Shoe Return Spring Primary Shoe

Shoe Hold-Down Parts

Piston Clip

Bleeder Screw

Wheel Cylinder Assembly

Parking Brake Lever

Adjusting Cable

Boot Piston Seal

Inner Pad Assembly Caliper Housing

Outer Pad Assembly

Mounting Bolt Sleeve and Bushings

CALIPER ASSEMBLY

Secondary Shoe

Adjuster Lever Adjuster Assembly

Parking Brake Cable

Adjuster Lever Spring

DIAGNOSING BRAKE SYSTEM PROBLEMS

Tapered Wear

More Pad

A gradual slope of the

pad material creating

uneven thickness on

Less either end of

Pad

the pad.

Often caused by: ? Worn rubber caliper

bushings ? Worn caliper slide rails ? Improper lubrication

Less Uneven Wear

Pad One side of the pad set

has significantly less

unused friction material

More Pad

than the other.

Often caused by: ? Worn rubber caliper

bushings ? Worn caliper slide rails ? Caliper piston sticking ? Improper lubrication

Overhang Wear

Ridge Ridges on the top or bottom edges of pads.

Often caused by: ? Misplacement of pads

in caliper housing ? Worn hardware

components ? Worn caliper slide rails ? Improper lubrication

Grooved Wear

Groove

Symmetrical grooves or etches in the surface of the friction material.

Often caused by: ? Failure to apply

non-directional finish to turned rotors ? Failure to wash rotors

Cracked Linings

Excessive cracking of Crack friction material.

Often caused by: ? Excessive vibration ? Worn caliper

components ? Improper lubrication

Friction Contamination

Friction material is contaminated with Contaminants foreign substance.

Often caused by: ? Oil leak ? Improper use of

anti-noise substance ? Lubrication of friction

side of pad

4403RAY

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