how to adjust rear brake drums

Nov . 13, 2024 20:15 Back to list

how to adjust rear brake drums

How to Adjust Rear Brake Drums

Adjusting the rear brake drums is an essential maintenance task that ensures your vehicle's braking system operates smoothly and effectively. Properly functioning brakes are crucial for safety on the road, as they play a significant role in stopping your vehicle. Here’s a step-by-step guide on how to adjust your rear brake drums.

Tools You Will Need

Before you start, gather the necessary tools - Jack and jack stands - Lug wrench - Brake drum adjustment tool (or flathead screwdriver) - Brake cleaner - Clean rags - Safety goggles and gloves

Step 1 Safety First

Always prioritize safety when working on your vehicle. Park your car on a level surface and set the parking brake. Use the lug wrench to loosen the lug nuts on the rear wheels slightly but do not remove them yet.

Step 2 Lift the Vehicle

Using the jack, lift the rear of the vehicle and secure it with jack stands. Once the vehicle is stable, remove the lug nuts and take off the rear wheels to access the brake drums.

Step 3 Inspect the Brake Drums

With the drums exposed, inspect them for any signs of wear, such as grooves or scoring. If the drums are damaged, they may need to be replaced. Check the brake shoes for thickness; if the material is worn too thin, they should also be replaced.

Step 4 Locate the Adjustment Mechanism

how to adjust rear brake drums

Each brake drum assembly has an adjustment mechanism, usually a star wheel. This is located inside the drum and can be accessed by removing an inspection hole cover if present. If no cover is available, you may need to remove the entire drum.

Step 5 Adjust the Brake Shoes

Using the brake drum adjustment tool or a flathead screwdriver, turn the star wheel to adjust the brake shoes. Turn the wheel in the appropriate direction—usually clockwise to expand the shoes and counterclockwise to retract them. You want the shoes to be close but not touching the drum; a slight drag can ensure optimal performance.

Step 6 Test the Adjustment

After adjusting, replace the drum (if removed) and spin it to ensure that it rotates freely without binding. If you feel resistance or hear scraping noises, the shoes are too close; readjust as necessary.

Step 7 Reassemble and Test Drive

Once satisfied with the adjustments, reattach the wheels and hand-screw the lug nuts until they're snug. Lower the vehicle from the jack stands and then fully tighten the lug nuts in a crisscross pattern to ensure even pressure.

Final Step Road Test

After completing the adjustments, take the vehicle for a short test drive. Pay attention to how the brakes feel; they should engage smoothly without any pulling to one side or grinding noises. This test will help confirm that your adjustments were successful.

Conclusion

Adjusting rear brake drums is a critical skill for any vehicle owner. Regular maintenance can prolong the life of your braking system and ensure your safety on the road. If you're ever uncertain about performing brake adjustments yourself, consult a professional mechanic. Taking the time to care for your brakes not only enhances vehicle performance but also provides peace of mind knowing that you’re driving safely.