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Disc brakes have become a standard for many modern vehicles in both the front and rear axles. However, drum brakes are still common to find on the rear axle of many vehicles on the road today. It is still important for technicians to know how to properly and safely perform a drum brake job. In this video series, we will walk you through each step of quality a drum brake job. In the final episode of this series, we walk you through adjusting the brake shoes and installing the drum.
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Step One: Wash Drum
With any machined part like a drum or rotor, we recommend washing it with dish soap and water. This will wash away any debris left over from the machining process. If you don't wash the drum before installation, that debris may embed in the pads, which can lead to noise issues.
Step Two: Adjust Shoes
Brake shoes should sit right up against the drum, while still allowing the drum to spin with little drag. You can accomplish this by adjusting the brake shoes. The easiest way to adjust the brake shoes perfectly is to use a brake shoe adjustment gauge.
Step Three: Install Drum
Once you adjust the shoes, install the drum. Make sure the shoes drag slightly against the drum, but that drum can still spin freely.