Steps for Correctly Adjusting Your Drum Brake System for Optimal Performance

How to Properly Adjust Drum Brakes

Drum brakes are a vital component of many vehicles, providing the necessary stopping power when you press the brake pedal. Unlike disc brakes, which use a caliper and rotor system, drum brakes function through the use of brake shoes that press against the inner surface of a drum. Over time, brake shoes can wear down, leading to reduced braking efficiency. Therefore, proper adjustment is essential for maintaining optimal performance. Here’s a guide on how to adjust drum brakes correctly.

Tools Needed

To adjust drum brakes, you’ll need a few basic tools a jack and jack stands, a lug wrench, a brake adjusting tool (or a flathead screwdriver), and safety goggles.

Step 1 Prepare the Vehicle

Start by parking your vehicle on a flat surface, engaging the parking brake, and ensuring the engine is off. Using the lug wrench, loosen the wheel nuts on the rear or front wheels (depending on where the drum brakes are located) without removing them completely.

Step 2 Raise the Vehicle

Using the jack, lift the vehicle and secure it with jack stands to ensure stability

. Once secure, remove the loosened wheel nuts and take off the wheel to expose the brake drum.

Step 3 Inspect the Brake Components

how to properly adjust drum brakes

Before making adjustments, inspect the brake shoes, drum surface, and springs for wear. If any components appear damaged or excessively worn, it may be best to replace them before adjusting.

Step 4 Adjust the Brake Shoes

Locate the brake adjuster through the access hole on the drum or by taking off the brake drum if needed. Use the brake adjusting tool or flathead screwdriver to turn the adjuster. Turning it in one direction will tighten the brake shoes, while turning it in the opposite direction will loosen them. Adjust the shoes until they are just snug against the drum. You should be able to turn the drum with some resistance but not too much that it’s difficult.

Step 5 Reassemble

After adjusting, check the clearance again. Once satisfied, replace the brake drum, ensuring it fits securely. Put the wheel back on, tighten the lug nuts in a crisscross pattern, lower the vehicle, and finally tighten the wheel nuts securely.

Step 6 Test Drive

Before hitting the road, do a test drive in a safe area to feel the adjustments. Watch for any unusual noises or behaviors while braking. If everything feels normal, your drum brakes are now properly adjusted and ready for safe driving.

Proper drum brake adjustment can enhance your vehicle's braking performance and ensure safety on the road. Regular inspections and maintenance are key to longevity and reliability.