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BRAKE SHOES PURPOSE Provide reliable stopping power with high temperature friction materials to stop or slow the vehicle. Provide reliable stopping power.

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Presentation on theme: "BRAKE SHOES PURPOSE Provide reliable stopping power with high temperature friction materials to stop or slow the vehicle. Provide reliable stopping power."— Presentation transcript:

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2 BRAKE SHOES

3 PURPOSE Provide reliable stopping power with high temperature friction materials to stop or slow the vehicle. Provide reliable stopping power with high temperature friction materials to stop or slow the vehicle.

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6 CONSTRUCTION Steel shoe has high temperature friction material attached by either bonding or riveting. Steel shoe has high temperature friction material attached by either bonding or riveting. One shoe has lining which is longer than the other. This is called the secondary shoe. The shorter one is called the primary shoe. One shoe has lining which is longer than the other. This is called the secondary shoe. The shorter one is called the primary shoe.

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9 LOCATION 2 brake shoes inside each brake drum. 2 brake shoes inside each brake drum. 2 brake drums per axle (left and right). 2 brake drums per axle (left and right). The primary (shorter) shoe is the forward facing shoe, in relation to the wheel cylinder. The primary (shorter) shoe is the forward facing shoe, in relation to the wheel cylinder. The secondary (longer) shoe is placed behind the wheel cylinder. The secondary (longer) shoe is placed behind the wheel cylinder.

10 PROBLEMS Wear and over heating reduce brake effectiveness. Wear and over heating reduce brake effectiveness. Worn brake shoes will cause a low brake pedal if not kept properly adjusted. Worn brake shoes will cause a low brake pedal if not kept properly adjusted. Noises caused by dust, worn shoes, loose rivets all require visual inspection to determine required repairs. Noises caused by dust, worn shoes, loose rivets all require visual inspection to determine required repairs.

11 DIAGNOSIS Visual inspection is required for determining what parts are required. Visual inspection is required for determining what parts are required. A test drive should be done first. A test drive should be done first. Shoes worn unevenly, to the rivets or steel, cracked or oil soaked should be replaced. Shoes worn unevenly, to the rivets or steel, cracked or oil soaked should be replaced.

12 APPROXIMATE COST OF REPAIR Depending on vehicle design, (car, van, light or heavy duty truck, etc…) and quality desired, shoes range from $25 to over $200, 1-2 hours labour. Depending on vehicle design, (car, van, light or heavy duty truck, etc…) and quality desired, shoes range from $25 to over $200, 1-2 hours labour. Shoes come in sets of four to do both sides. Shoes come in sets of four to do both sides. The hold down springs should be replaced at the same time. The hold down springs should be replaced at the same time. Other worn or damaged parts should be replaced also. Other worn or damaged parts should be replaced also.


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