Should the handbrake be released or pulled up when driving?

1 Answers
VanMaverick
07/29/25 5:26pm
When starting the car, the handbrake needs to be released, and when parking, the handbrake needs to be pulled up. The commonly referred to "releasing the handbrake" means lowering the handbrake. Below is additional information about the handbrake: 1. The professional term for the handbrake is the auxiliary brake. Unlike the principle of the main brake, it uses a steel cable connected to the rear brake shoes to brake the vehicle. Long-term use of the handbrake can cause plastic deformation of the steel cable. Since this deformation is irreversible, prolonged use will reduce its effectiveness, and the handbrake's travel distance will increase. 2. After pulling the handbrake, a hydraulic auxiliary cylinder is used to push the main hydraulic cylinder beneath the car, which then drives the air valve (this design is intended to prevent air noise from being heard in the cabin). Once the air valve is activated, it engages the brake driveshaft.
Was this review help?
4
5
Share
More Forum Discussions

What is the reason for excessive oil in the combustion system of the first exhaust cylinder in a Focus?

Ford Focus cylinder combustion system excessive oil may be caused by incomplete engine combustion, requiring inspection and cleaning of engine carbon deposits to improve combustion efficiency. Below is extended information on cylinders: 1. Single-acting cylinder: Only one end has a piston rod, with air supplied from one side of the piston to generate pressure, which pushes the piston to extend, returning via spring or gravity; 2. Double-acting cylinder: Alternating air supply from both sides of the piston, outputting force in one or two directions; 3. Diaphragm cylinder: Uses a diaphragm instead of a piston, outputting force in one direction only, reset by spring. It has good sealing performance but short stroke; 4. Impact cylinder: A new type of component that converts compressed gas pressure energy into high-speed (10-20 m/s) kinetic energy of the piston for work. The impact cylinder adds a cover with a nozzle and drain port.
20
3
Share

What is the Difference Between 92 and 95 Octane Gasoline?

92 octane gasoline and 95 octane gasoline differ mainly in their formaldehyde content. 95 octane gasoline contains more isooctane. Below is a detailed introduction about engine oil: 1. Overview: Engine oil, also known as engine lubricant, is referred to as Engine-oil in English, with a density of approximately 0.91×10³ (kg/m³). It serves to lubricate and reduce friction in the engine, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. 2. Composition: Engine oil consists of two parts: base oil and additives. The base oil is the main component of lubricating oil, determining its basic properties. Additives can compensate for and improve the shortcomings of the base oil's performance, imparting certain new properties, making them an important part of lubricating oil.
5
2
Share

How to Install Tire Pressure Monitoring System on Kia K3?

Installation method for tire pressure monitoring system on Kia K3: Remove the original valve and replace it with a valve equipped with tire pressure sensor. There are two types of tire pressure monitoring systems: direct tire pressure monitoring system and indirect tire pressure monitoring system. The Kia K3 is a compact car with body dimensions of 4600mm in length, 1780mm in width, and 1445mm in height, with a wheelbase of 2700mm. The Kia K3 is equipped with two engines: a 1.5-liter naturally aspirated engine and a 1.4-liter turbocharged engine. The 1.5-liter naturally aspirated engine has a maximum power of 85 kW and a maximum torque of 143.9 Nm; the 1.4-liter turbocharged engine has a maximum power of 96 kW and a maximum torque of 211 Nm.
8
0
Share

What Are the Causes of Abnormal Noise in a Car Clutch?

Abnormal noise in a car clutch may be caused by clutch wear, control unit failure, etc. Here is a detailed introduction to car clutches: 1. Overview: The car clutch is located inside the flywheel housing between the engine and the transmission, and the output shaft of the clutch is the input shaft of the transmission. During driving, the driver can press or release the clutch pedal as needed to temporarily disconnect or gradually engage the engine and transmission, thereby cutting off or transmitting the power input from the engine to the transmission. 2. Principle: The driving and driven parts of the clutch transmit torque through friction between contact surfaces, use liquid as a transmission medium, or employ magnetic transmission (electromagnetic clutch). This allows temporary disconnection and gradual engagement, while permitting relative rotation between the two parts during transmission.
16
4
Share

What is the difference between cold testing and hot testing?

Cold testing refers to linkage testing, which is system testing without materials. Hot testing refers to feeding testing, which is system testing with materials and will involve chemical reactions. The following is a detailed introduction about car driving: 1. Overview: Car driving is one of the basic skills that modern people need to master. To master the technology of driving a motor vehicle, one must meet the required age and physical conditions, and undergo training and examination on road traffic safety laws and regulations, as well as general knowledge about automobile mechanics and safe driving. 2. Others: The permission to drive a vehicle is granted through the issuance of a driver's license. This indicates that obtaining a driver's license is a formal procedure that must be issued by a specialized authority.
5
1
Share

What Causes Difficulty in Pressing the Clutch Pedal?

Clutch pedal difficulty can be attributed to the following specific reasons: 1. Poor Return: Air entering the clutch hydraulic system leads to excessive clutch travel and poor return, primarily caused by air intrusion into the hydraulic system. In this case, the cause of air intrusion should be identified promptly, and the air in the hydraulic system should be purged. 2. Contaminated Fluid: Severe wear of the internal piston in the clutch master cylinder or blockage of the return oil hole prevents the clutch from returning. 3. Insufficient Spring Tension: As the vehicle mileage increases, the clutch return spring may lose tension or break, causing the clutch pedal not to return. The symptom is a lowered clutch pedal height with reduced or no free play, making the pedal feel harder to press.
19
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.