Drum Brake Service Costs: Get the Best Price for Your Brake Repair

Miguel Rodriguez
Miguel Rodriguez
13 min read

Review by: Miguel Rodriguez
Maintenance Brakes

Drum brake service costs can vary significantly depending on factors such as the extent of the repair, the quality of replacement parts, and labor rates. On average, a complete drum brake replacement can range from $200 to $500 per axle. By understanding the factors that influence these costs and following recommended maintenance practices, you can get the best price for your brake repair while ensuring your vehicle's safety and reliability.

In this comprehensive article, we'll dive into the world of drum brakes, exploring their components, common problems, and the various factors that affect service costs. We'll also discuss the inspection process, repair and replacement services, and provide tips for saving money on drum brake maintenance. By the end of this article, you'll have a thorough understanding of drum brake service costs and how to keep your brakes in top condition.

I. Introduction

A. What are drum brakes?

Drum brakes are a type of brake system that utilizes a rotating drum and brake shoes to slow or stop a vehicle. When the brake pedal is pressed, hydraulic pressure forces the brake shoes outward, pressing against the inside of the drum and creating friction to slow the wheel's rotation. Drum brakes are commonly found on the rear axles of many vehicles, particularly older models and some modern economy cars.

B. Importance of maintaining drum brakes

Maintaining drum brakes is essential for ensuring your vehicle's safety and performance. Properly functioning brakes are crucial for stopping your car quickly and safely, especially in emergency situations. Regular maintenance can also help extend the life of your brake components, preventing costly repairs in the future. Neglecting drum brake maintenance can lead to reduced braking power, increased stopping distances, and even complete brake failure, putting you and others at risk on the road.

II. How Drum Brakes Work

A. Components of a drum brake system

A drum brake system consists of several key components that work together to slow or stop your vehicle:

  1. Brake drum: A cylindrical metal drum that rotates with the wheel

  2. Brake shoes: Curved metal shoes lined with friction material that press against the drum

  3. Wheel cylinder: A hydraulic component that pushes the brake shoes outward

  4. Brake hardware: Springs, pins, and adjusters that hold the shoes in place and control their movement

  5. Brake backing plate: A metal plate that mounts the brake components to the axle

B. Mechanism of drum brake operation

When you press the brake pedal, hydraulic fluid is forced into the wheel cylinder, which pushes the brake shoes outward. As the shoes contact the rotating drum, friction is generated, slowing or stopping the wheel's rotation. When you release the brake pedal, the springs pull the shoes back to their original position, allowing the wheel to rotate freely again. The brake adjuster mechanism ensures that the shoes maintain the proper distance from the drum as they wear down over time.

III. Common Drum Brake Problems

A. Worn brake shoes

Brake shoes are the most common component to wear out in a drum brake system. As the friction material on the shoes wears down, braking performance diminishes, and you may notice symptoms such as:

  • Reduced stopping power

  • Increased pedal travel

  • Grinding noises when braking

Worn brake shoes need to be replaced to restore proper braking function.

B. Scored or warped brake drums

Over time, brake drums can become scored, grooved, or warped due to heat and wear. These surface imperfections can cause:

  • Pulsations in the brake pedal

  • Reduced braking efficiency

  • Accelerated wear on the brake shoes

In some cases, brake drums can be resurfaced to restore a smooth braking surface, but if the damage is severe, replacement may be necessary.

C. Leaking wheel cylinders

Wheel cylinders are prone to leaking due to age, corrosion, or wear on the internal seals. A leaking wheel cylinder can cause:

  • Brake shoes to drag against the drum

  • Reduced braking performance

  • Increased wear on brake components

Leaking wheel cylinders must be replaced or rebuilt to restore proper brake function.

D. Seized brake adjusters

Brake adjusters are responsible for maintaining the proper distance between the brake shoes and the drum as the shoes wear down. If the adjusters become seized or fail to function properly:

  • Shoes may not contact the drum correctly

  • Reduced braking performance may occur

  • Uneven wear on brake shoes can develop

Seized adjusters must be replaced or lubricated to ensure proper brake operation.

E. Contaminated brake fluid

Brake fluid is hygroscopic, meaning it absorbs moisture from the air over time. Contaminated brake fluid can cause:

  • Corrosion within the brake system

  • Damage to wheel cylinders, brake lines, and other components

  • Reduced braking performance by lowering the fluid's boiling point

Brake fluid should be flushed and replaced periodically to maintain the health of the brake system.

IV. Factors Affecting Drum Brake Service Costs

Several factors can impact the total cost of drum brake service:

A. Parts quality and pricing

The quality and cost of replacement parts can significantly influence the overall cost of drum brake service. Using high-quality, original equipment manufacturer (OEM) parts or their equivalent ensures reliable performance and longevity but may come at a higher price point. Lower-cost, aftermarket parts may save money upfront but could result in shorter service life or reduced performance.

B. Labor time and rates

Labor costs are a significant factor in drum brake service, as the process of disassembling, inspecting, and reassembling the brake components can be time-consuming. Labor rates vary by location and shop, with hourly rates ranging from $80 to $160 or more. The total labor cost will depend on the complexity of the repair and the time required to complete the work.

C. Vehicle make and model

The make and model of your vehicle can affect drum brake service costs in several ways:

  • Some vehicles require more expensive or harder-to-find parts

  • Certain models may have more complex brake systems that require additional labor

  • Luxury or performance vehicles may have higher parts and labor costs compared to economy models

D. Brake system condition

The overall condition of your brake system will impact the cost of drum brake service. If your brakes have been neglected or are severely worn, more extensive repairs may be necessary, such as replacing the drums, wheel cylinders, or brake lines. These additional repairs will increase the total cost of the brake service.

E. Maintenance history

Vehicles with a history of regular brake maintenance may require less extensive repairs during drum brake service, as components are more likely to be in better condition. Conversely, vehicles with a history of neglect or infrequent maintenance may require more comprehensive repairs, increasing the overall cost of the service.

V. Drum Brake Inspection Process

During a drum brake inspection, the technician will follow these steps:

A. Visual examination of brake components

The technician will first perform a visual examination of the brake components, checking for signs of wear, damage, or leaks on the:

  • Brake drums

  • Brake shoes

  • Hardware

  • Wheel cylinders

  • Brake lines and hoses

B. Measurement of brake drum diameter and runout

The technician will measure the brake drum diameter to ensure it is within the manufacturer's specifications. If the drum is worn beyond the maximum allowable diameter, it must be replaced. The technician will also check for runout, which is the amount of variation in the drum's roundness. Excessive runout can cause pulsations in the brake pedal and uneven wear on the brake shoes.

C. Assessment of brake shoe lining thickness and condition

The thickness and condition of the brake shoe lining will be assessed to determine if replacement is necessary. The technician will:

  • Measure the lining thickness and compare it to the manufacturer's minimum allowable thickness

  • Inspect the lining for uneven wear, cracks, or contamination from oil or grease

D. Evaluation of wheel cylinder function and leaks

The wheel cylinders will be evaluated for proper function and leaks. The technician will check for:

  • Signs of fluid leakage

  • Corrosion or damage to the cylinder body or seals

If a wheel cylinder is leaking or not functioning correctly, it must be replaced or rebuilt.

E. Checking brake hardware and adjuster operation

The brake hardware, including the springs, pins, and adjusters, will be checked for wear, damage, or improper operation. The technician will ensure that:

  • Adjusters are functioning correctly

  • Brake shoes are returning to their proper position when the brakes are released

Any worn or damaged hardware will be replaced.

VI. Drum Brake Repair and Replacement Services

During a drum brake service, the technician may perform the following repairs or replacements:

A. Brake shoe replacement

If the brake shoes are worn beyond the minimum allowable thickness or are damaged, they will need to be replaced. The technician will:

  • Remove the old shoes

  • Install new shoes

  • Ensure that the new shoes are properly seated and secured with the brake hardware

B. Brake drum resurfacing or replacement

If the brake drums are within the maximum allowable diameter and have minimal scoring or wear, they may be resurfaced on a brake lathe to restore a smooth braking surface. However, if the drums are worn beyond the maximum allowable diameter or have excessive scoring or damage, they must be replaced.

C. Wheel cylinder repair or replacement

If a wheel cylinder is leaking or not functioning properly, it will need to be repaired or replaced. In some cases, the cylinder can be rebuilt with new seals and components. However, if the cylinder is severely corroded or damaged, replacement is necessary.

D. Brake hardware replacement

Worn or damaged brake hardware, such as springs, pins, and adjusters, will be replaced during the drum brake service. This ensures that the brake shoes are properly secured and operating correctly.

E. Brake fluid change

During a drum brake service, the brake fluid should be inspected for contamination or moisture. If the fluid appears dirty or has absorbed excessive moisture, it should be flushed and replaced with fresh, clean fluid that meets the manufacturer's specifications.

F. Brake adjustment and lubrication

After the brake components have been replaced or serviced, the technician will:

  • Adjust the brakes to ensure proper operation

  • Adjust the brake shoes to the proper distance from the drum

  • Ensure that the adjusters are functioning correctly

  • Lubricate any moving parts, such as the adjuster threads and pivot points, to prevent seizing and ensure smooth operation

VII. Cost Comparison of Drum Brake Services

A. Average cost range for complete drum brake replacement

The average cost for a complete drum brake replacement, including parts and labor, ranges from $200 to $500 per axle. This cost can vary depending on the vehicle make and model, the quality of parts used, and the labor rates of the repair shop.

B. Breakdown of parts costs

The cost of individual drum brake components can vary, but here is a general breakdown of the parts costs:

PartCost Range
Brake drums$40 - $150 each
Brake shoes$30 - $75 per axle
Wheel cylinders$25 - $50 each
Brake hardware kit$15 - $50 per axle

C. Labor cost factors

Labor costs for drum brake service can vary based on several factors:

a. Hourly labor rates: Repair shops charge hourly labor rates that can range from $80 to $160 or more, depending on the location and type of shop.

b. Time required for drum brake service: Replacing drums, shoes, hardware, and adjusting the brakes on one axle typically takes 1-2 hours of labor.

D. Additional cost considerations

a. Front vs. rear drum brakes: Front drum brakes, found on some older vehicles, may cost slightly more to service than rear drum brakes due to their location and accessibility.

b. Brake fluid flush: Having the brake fluid flushed and replaced at the same time as the drum brake service will add $50 to $100 to the total cost.

VIII. Tips for Saving Money on Drum Brake Repairs

Here are some tips to help you save money on drum brake repairs:

A. Importance of regular maintenance

Regular brake maintenance is key to saving money on drum brake repairs. By having your brakes inspected and serviced at the first signs of wear or problems, you can avoid more extensive and costly repairs down the line. Catching issues early can prevent damage to other components and keep your brake system in good working order.

B. Choosing a reputable shop

Choosing a reputable repair shop can help you save money on drum brake repairs in the long run. Look for shops with:

  • Certified technicians

  • Positive customer reviews

  • A history of quality work

While a reputable shop may not always have the lowest prices, they are more likely to use quality parts and perform the work correctly, reducing the likelihood of future problems or repairs.

C. Using quality replacement parts

Using high-quality replacement parts can save you money on drum brake repairs over time. While lower-cost, aftermarket parts may be tempting, they often have a shorter lifespan and may not perform as well as OEM or high-quality equivalent parts. Investing in quality parts can extend the life of your brake system and reduce the frequency of repairs.

D. Taking advantage of warranty coverage

Some brake parts and services may be covered under your vehicle's warranty or an extended warranty. Be sure to:

  • Check your warranty terms

  • Take advantage of any covered repairs or replacements

This can significantly reduce your out-of-pocket costs for drum brake service.

IX. When to Replace Drum Brakes

A. Signs of excessive wear or damage

There are several signs that indicate your drum brakes may need replacement:

  1. Reduced stopping power or increased pedal travel

  2. Grinding, squealing, or scraping noises when braking

  3. Pulsations or vibrations in the brake pedal

  4. Uneven or rapid wear on the brake shoes

  5. Leaking wheel cylinders or brake fluid

If you notice any of these signs, it's important to have your brakes inspected as soon as possible to determine the extent of the wear or damage.

Drum brake service intervals can vary depending on the vehicle make and model, as well as driving conditions and habits. However, here are some general guidelines:

  • Inspect brakes every 12,000 miles or 12 months, whichever comes first

  • Replace brake fluid every 2-3 years or 24,000-36,000 miles

  • Replace brake shoes when the lining thickness reaches the minimum allowable level

  • Replace brake drums when they exceed the maximum allowable diameter or have excessive scoring or damage

Following these recommended service intervals can help ensure your drum brakes remain in good working order and prevent more costly repairs.

C. Safety considerations

Properly functioning brakes are essential for vehicle safety. If you suspect any issues with your drum brakes, it's crucial to have them inspected and repaired as soon as possible. Ignoring brake problems can lead to:

  • Reduced stopping power

  • Increased stopping distances

  • Complete brake failure

These issues put you and others at risk on the road. When it comes to brake repairs, always prioritize safety over cost.

X. Conclusion

Understanding drum brake service costs and the factors that influence them is essential for making informed decisions about maintaining your vehicle's brake system. By following recommended service intervals, choosing a reputable repair shop, and using quality replacement parts, you can keep your drum brakes in good working order while minimizing repair costs. Remember, investing in regular brake maintenance and timely repairs is crucial for ensuring your vehicle's safety and reliability on the road.

FAQs

How often should drum brakes be inspected?

Drum brakes should be inspected at least once a year or every 12,000 miles, whichever comes first. More frequent inspections may be necessary for vehicles that are driven in harsh conditions or used for towing.

Can I replace just the brake shoes, or do I need to replace the drums too?

If the brake drums are within the maximum allowable diameter and have minimal scoring or wear, you can often get away with just replacing the brake shoes. However, if the drums are excessively worn, scored, or out-of-round, they should be replaced along with the shoes for optimal braking performance.

Is it normal for drum brakes to make noise?

Some noise from drum brakes is normal, especially when they are cold or slightly damp. However, excessive squealing, grinding, or scraping noises can indicate worn brake shoes, damaged hardware, or other issues that require attention.

How long do drum brakes typically last?

The lifespan of drum brakes varies depending on driving habits, vehicle type, and environmental conditions. On average, drum brakes can last between 150,000 to 200,000 miles before requiring replacement, assuming regular maintenance and inspection.

Are drum brakes more expensive to service than disc brakes?

In general, drum brake parts are less expensive than disc brake components. However, drum brakes often require more labor time to service due to their complex assembly, which can result in higher overall service costs compared to disc brakes.

Can I replace drum brakes with disc brakes?

In many cases, it is possible to convert from drum brakes to disc brakes. However, this is a significant modification that requires changes to the vehicle's suspension, wheel hubs, and brake lines. Disc brake conversion kits are available for some vehicles, but professional installation is recommended.

How do I know if my drum brakes need adjustment?

Signs that your drum brakes may need adjustment include a low or spongy brake pedal, increased stopping distance, or the vehicle pulling to one side when braking. If you experience any of these symptoms, have your brakes inspected by a professional.

Can I service my drum brakes myself?

Servicing drum brakes requires a certain level of mechanical skill and specialized tools. While it is possible for a competent DIY mechanic to perform drum brake service, it is generally recommended to have the work done by a professional to ensure safety and proper function.

What is the average labor cost for a complete drum brake job?

Labor costs for a complete drum brake job (replacing drums, shoes, hardware, and adjusting the brakes) typically range from $150 to $300 per axle, depending on the vehicle and the shop's hourly labor rate. This usually equates to 1.5 to 3 hours of labor per axle.

Are there any environmental concerns with drum brake wear particles?

As drum brakes wear, they release brake dust that can contain heavy metals and other pollutants. While less studied than disc brake wear particles, drum brake dust can still contribute to air and water pollution. Proper maintenance and disposal of worn brake components can help mitigate these environmental concerns.

Miguel Rodriguez
Miguel Rodriguez

Miguel started tinkering with car radios as a teenager, fascinated by the intricate dance of wires and circuits. This passion led him to pursue a career as an automotive electrician. For the past 10 years, Miguel has tackled everything from flickering headlights to mysterious electrical gremlins. He thrives on troubleshooting electrical problems and enjoys sharing his knowledge to empower car owners to understand their vehicles better.

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