How to Clean Rear Drum Brakes | Step-by-Step Guide

Cleaning rear drum brakes is an essential maintenance task that can enhance the performance and longevity of your vehicle's braking system. Unlike disc brakes, drum brakes are often hidden away and can accumulate dirt, dust, and debris over time, which can hinder their efficiency. Proper maintenance not only improves braking efficacy but also ensures the safety of your vehicle.

To begin cleaning your rear drum brakes, you will need some basic tools, including a lug wrench, jack and jack stands, a brake cleaner, a wire brush, and possibly a small screwdriver. Safety should always be your first concern, so make sure your vehicle is parked on a flat surface and engage the parking brake before starting any work.

1. Lifting the Vehicle Start by loosening the lug nuts on the rear wheels while the vehicle is still on the ground. Once loose, use the jack to lift the vehicle and then secure it with jack stands. Remove the wheels to access the drum brakes.

2. Inspecting the Brake Components Once the wheels are off, visually inspect the brake drums and components. Look for any signs of wear, cracks, or significant buildup of dust. It’s crucial to check the condition of the brake shoes and ensure they have sufficient lining left.

3. Cleaning the Drum Use a brake cleaner spray and a wire brush to clean the brake drum components. Make sure to spray the cleaner generously on the drum and the inside of the backing plate. The wire brush can help remove any stubborn debris or rust. Be cautious not to get any cleaner on the brake shoes as this can affect their performance.

4. Removing Dust and Debris Use a soft brush or compressed air to blow out any dust or debris from the brake assembly. Be thorough but gentle to avoid damaging any components. Pay close attention to the springs and other small parts that might trap dirt.

5. Reassembly After thoroughly cleaning, reattach the drum and wheel, tightening the lug nuts in a crisscross pattern for even distribution. Lower the vehicle back to the ground and perform a final check of all the components.

6. Testing Brakes Before taking the vehicle on the road, pump the brake pedal a few times to ensure that everything is functioning correctly. This will help reset the brake shoes against the drum.

Regular cleaning and inspection of your rear drum brakes can prevent premature wear and ensure optimal braking performance. By following these simple steps, you can maintain your vehicle's braking system, contributing to a safer driving experience. Keep this maintenance routine in mind, especially if you frequently drive in dusty or rugged conditions.