The Silent Guardian: Your Vehicle's Parking Brake System
The Silent Guardian: Your Vehicle's Parking Brake System

The Silent Guardian: Your Vehicle’s Parking Brake System

09/02/2025
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“Hard work beats talent” is a common saying among long-haul truck drivers like Mr. Ba, who has spent over 20 years navigating the roads in his Hyundai HD120 truck. This belief isn’t without reason. Besides diligence and caution, a thorough understanding of their “steel horse,” especially the parking brake system, is crucial for ensuring safety on every journey.

What is a Parking Brake System?

The parking brake, also known as the emergency brake, is a braking mechanism completely independent of the main braking system. It uses mechanical force to keep the vehicle stationary when parked. It operates directly on the wheels, usually the rear wheels, via a parking brake cable and brake shoes.

Why is the Parking Brake Important?

Imagine parking on a gentle slope on Nguyen Trai Street, Thanh Xuan District. If you only rely on the transmission to hold the vehicle, especially a heavy truck, the risk of it rolling is significant. The parking brake acts as a “silent guardian,” ensuring the vehicle remains stationary and preventing potential accidents.

Components and Working Principle

A typical parking brake system consists of:

  • Parking Brake Lever: Located inside the cabin, used to activate the system.
  • Parking Brake Cable: Transmits pulling force from the lever to the equalizer.
  • Equalizer: Distributes the force evenly to both wheels.
  • Brake Shoes: Make direct contact with the brake drum or disc to create friction, holding the vehicle in place.

When the parking brake lever is pulled, the cable tightens, actuating the equalizer and brake shoes. The resulting friction between the shoes and the drum/disc prevents the wheels from turning, keeping the vehicle stationary.

Common Types of Parking Brakes

Currently, there are two common types of parking brakes:

  • Mechanical Parking Brake: Uses cables to transmit force. This type is common in trucks like the Thaco Towner and Hyundai Porter H150.
  • Electronic Parking Brake: Uses an electric motor to engage the brake shoes. This type is more modern and often found in high-end passenger vehicles.

Parking Brake Repair Service Price List at Xe Tai Ha Noi

Service Estimated Price (VNĐ)
Parking Brake System Inspection 100,000 – 200,000
Parking Brake Cable Replacement 300,000 – 500,000
Rear Brake Shoe Replacement 500,000 – 800,000
Brake Equalizer Repair 400,000 – 700,000

Note: This price list is for reference only. Prices may vary depending on the vehicle type, manufacturer, and repair facility.

Important Considerations When Using the Parking Brake

  • Always engage the parking brake before exiting the vehicle, especially when parked on a slope.
  • Avoid using the parking brake while driving at high speeds.
  • Regularly maintain the parking brake system to ensure optimal performance.

Frequently Asked Questions

1. When should I replace the rear brake shoes?

When the brake shoes wear down to the limit, you will notice a significant decrease in braking performance. At this point, you should take your vehicle to a reputable garage like Xe Tai Ha Noi for inspection and timely replacement.

2. How often should I maintain the parking brake system?

Experts recommend servicing the parking brake system every 10,000 km or every 6 months.

For Quality Trucks, Visit Xe Tai Ha Noi!

Are you looking for a quality truck that suits your business needs? Come to Xe Tai Ha Noi – the trusted address for all vehicle owners. We offer a wide range of trucks from renowned brands like Hyundai, Thaco, and Isuzu at competitive prices and with excellent after-sales service.

Address: No. 123, Le Van Luong Street, Cau Giay District, Hanoi.

In addition to parking brake systems, Xe Tai Ha Noi also provides repair and maintenance services for other vehicle systems such as:

  • Hydraulic Brake System.
  • Steering System.
  • Suspension System.

Contact us today for the best advice and support!


Mechanical Parking Brake SystemMechanical Parking Brake System

Electronic Parking Brake LeverElectronic Parking Brake Lever


We hope this article has provided you with useful information about the parking brake system. Share this article with your friends to promote safe driving practices!

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