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Dec . 10, 2024 09:40 Back to list

how to replace rear brake drums

How to Replace Rear Brake Drums


Maintaining your vehicle's braking system is crucial for safety and performance. One often-overlooked aspect of brake maintenance is the rear brake drum. Over time, brake drums can wear down due to friction and heat, resulting in diminished performance. If you're experiencing issues such as grinding noises or a decrease in braking efficiency, it might be time to replace your rear brake drums. This guide will take you through the steps necessary to do this safely and effectively.


Tools and Materials Needed


Before you begin, gather all the necessary tools and materials - New brake drums - Brake shoes - Brake cleaner - Brake grease - Ratchet set - Torque wrench - Jack and jack stands - Wheel chocks - Screwdrivers - Pliers


Step 1 Safety First


Always prioritize safety when working on your vehicle. Begin by parking your car on a flat surface. Engage the parking brake and place wheel chocks in front of the front wheels to prevent movement.


Step 2 Remove the Rear Wheels


Using a jack, lift the rear of the vehicle until it is securely elevated. Ensure the jack stands are placed under the vehicle for added safety. With the rear of the vehicle clear, use a ratchet to remove the lug nuts and take off the rear wheels.


Step 3 Inspect the Brake Assembly


With the wheels removed, you will have easy access to the rear brake assembly. Inspect the brake components for wear and damage. Look for cracks or significant wear on the brake shoes and springs, as well as any debris that may have accumulated in the drum area.


Step 4 Remove the Brake Drum


To remove the brake drum, locate the retaining screws (if present) and unscrew them. If the drum is stuck due to rust or debris, gently tap it with a rubber mallet to break it loose. Once free, slide the drum off the hub, exposing the brake shoes, springs, and adjuster mechanism.


Step 5 Replace Brake Shoes


how to replace rear brake drums

how to replace rear brake drums

Before installing the new drums, it’s a good time to replace the brake shoes as well, since they work hand-in-hand with the drums. Remove the old brake shoes by detaching the springs and any retaining clips. Install the new brake shoes by following the reverse process of removal, ensuring all components fit securely and are properly aligned.


Step 6 Clean and Prepare the New Drum


Take your new brake drum and clean it with brake cleaner to remove any manufacturing residue or grease. Apply a thin layer of brake grease to the contact points where the shoes meet the drum for smoother operation.


Step 7 Install the New Drum


Carefully slide the new brake drum onto the hub. Make sure it fits snugly over the new brake shoes. If the drum does not slide on easily, check to ensure the shoes are properly positioned.


Step 8 Reassemble the Brake Assembly


Reattach any retaining screws you removed earlier. Ensure all springs and clips are tight and secure, and adjust the brake shoes as necessary for proper clearance.


Step 9 Reinstall Wheels


Place the rear wheels back onto the hub, ensuring the lug nuts are tightened by hand. Once both wheels are installed, lower the vehicle back to the ground and use a torque wrench to tighten the lug nuts to the manufacturer’s specifications.


Step 10 Test the Brakes


Before taking your vehicle out on the road, test the brakes by pumping the brake pedal a few times to ensure proper engagement. Check for any unusual noises and ensure that the braking performance feels normal.


Conclusion


Replacing rear brake drums is a manageable task with the right tools and a little patience. Regular maintenance of your braking system will not only keep you safe but can also extend the life of your vehicle. If at any point you feel uncertain about the process, don’t hesitate to consult a professional mechanic. Safety first!




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