How to Solve the Abnormal Noise from Shock Absorbers?

2 Answers
SanAndrew
07/29/25 7:20pm
Here are the solutions for abnormal noise from shock absorbers: It is recommended to replace the shock absorber. Below is relevant information about shock absorbers: 1. Working Principle: When relative motion occurs between the frame (or body) and axle due to vibration, the piston inside the shock absorber moves up and down, causing the oil in the shock absorber chamber to repeatedly flow from one chamber to another through different pores. At this time, the friction between the pore walls and the oil, as well as the internal friction between oil molecules, creates a damping force that converts the vehicle's vibration energy into heat energy of the oil, which is then absorbed by the shock absorber and dissipated into the atmosphere. 2. Purpose: To accelerate the attenuation of frame and body vibrations and improve the vehicle's ride smoothness (comfort), most automotive suspension systems are equipped with shock absorbers.
Was this review help?
19
0
Share
DelValerie
08/14/25 1:58pm
I've been driving for over a decade and frequently encounter shock absorber noise issues. The most common causes are aging/cracked buffer rubber or oil seal leaks that create annoying knocking sounds while driving, which also affect vehicle stability and handling. First do a simple self-check: Park on level ground and use a flashlight to inspect the shock absorber area for oil stains or loose components, especially the top bolts and rubber bushings. For minor noises, try applying anti-rust lubricant as a temporary solution (but don't expect permanent results). Safety is my top priority - persistent noises require professional diagnosis at a repair shop where technicians can accurately determine whether to replace small components or the entire shock assembly using specialized equipment. During routine maintenance, make shock absorber inspection a habit (I check every three months during car washes) - this practice saves money and ensures peace of mind. Don't delay until problems worsen; last year my neglect resulted in a four-figure repair bill. Safe driving should always come first.
Was this review help?
10
2
Share
Expand All
More Forum Discussions

What Causes the Air Conditioning in Diesel Vehicles to Not Blow Cold Air?

Diesel vehicle air conditioning not blowing cold air may be due to refrigerant issues. Here are the specific details: 1. Excessive Refrigerant: This is usually caused by overcharging the refrigerant during maintenance, as the proportion of refrigerant in the air conditioning system must meet certain requirements. If the proportion is too large, it can affect heat dissipation. If too much refrigerant is added during maintenance, the cooling system's heat dissipation capacity will also decrease. 2. Insufficient Refrigerant: The main reason for insufficient refrigerant is minor leaks in the system. If there is not enough refrigerant in the air conditioning system, the amount of refrigerant sprayed into the evaporator from the expansion valve decreases, leading to less refrigerant evaporating in the evaporator. The amount of heat absorbed will also decrease, resulting in reduced cooling capacity.
5
1
Share

Why does the EA888 engine idle shake?

When the EA888 engine experiences idle shaking, it is due to damaged engine mounts. Here are additional details: 1. Severe engine carbon deposits, ignition system malfunctions, or dirty throttle bodies can all lead to engine idle shaking. 2. If the car runs normally after starting but begins to shake during acceleration or after driving for a period of time, it indicates a dirty throttle body, which should be cleaned promptly. 3. If the engine idle is unstable and causes shaking after starting, consider potential issues with the ignition system. If the problem is due to wiring faults, it is advisable to seek professional repair services.
11
3
Share

Why is the central air conditioning in the car not blowing air?

If the central air conditioning in the car is not blowing air, it may be due to overheating damage of the internal coil, capacitor damage, or failure caused by a malfunctioning blower fan. Below is relevant information about car air conditioning: 1. Cooling Principle: When the car air conditioning is cooling, the compressor clutch engages, causing the engine to drive the compressor. The compressor continuously compresses the refrigerant and delivers it to the evaporator. Inside the evaporator, the refrigerant expands and absorbs heat, cooling the evaporator. The cooled evaporator then cools the air blown by the blower fan. 2. Heating Principle: When the car air conditioning is heating, the high-temperature coolant from the engine passes through the heater core. At the same time, the air blown by the blower fan also passes through the heater core, allowing the air vents to blow warm air.
3
1
Share

How many bearing seats are required for a triangular chassis?

Triangular chassis requires a total of 3 bearing seats. Below is relevant information about automotive bearings: 1. Introduction: A bearing is a mechanical element that restricts relative motion within the desired range of movement and reduces friction between moving parts. The design of bearings can provide free linear movement of moving parts or free rotation around a fixed axis, and can also prevent motion by controlling the vector of normal forces acting on moving parts. 2. Sliding bearings: The simplest type of bearing is the sliding bearing, which consists of a shaft rotating within a hole. Lubrication is used to reduce friction. In ball bearings and roller bearings, rolling elements with circular cross-sections (rollers or balls) are placed between the races or journals of the bearing assembly to reduce sliding friction.
15
4
Share

How Many Days of Practice Before Retaking the Subject 2 Driving Test is Most Suitable?

Generally, it is advisable to practice driving 2-3 days in advance. Starting too early may cause you to forget key points. The practice duration should not be too long; about 2 days is sufficient. Over-practicing can make it harder to correct bad habits or mistakes. On the day before the test, practicing once or twice is enough to avoid fatigue, which could affect your performance the next day. Also, ensure you get adequate rest and sleep. Different items in Subject 2 have different deduction points. The details are as follows: 1. General Deductions: Not wearing a seatbelt, not closing the car door properly, and not having the gear in neutral when starting the engine will each deduct 100 points. Not using the turn signal, using the turn signal for less than 3 seconds, forgetting to turn it off, or using it incorrectly, as well as stalling the engine, will each deduct 10 points. 2. Parallel Parking: If the vehicle exceeds the line after stopping in the parking space or if the task takes more than 90 seconds, 100 points will be deducted. Not using or incorrectly using the turn signal when exiting the parking space will also deduct 100 points. Touching the parking space line with the car body or running over the lane boundary line with the wheels during movement will deduct 10 points each time. Stopping for more than 2 seconds during the process will deduct 5 points each time. 3. Reverse Parking: If the task takes more than 210 seconds, not following the prescribed route or sequence, not driving the front wheels over the control line before reversing, or failing to park properly in the space will each deduct 100 points. Stopping for more than 2 seconds during the process will deduct 5 points each time. 4. Curve Driving: Running over the edge line or stopping for more than 2 seconds will each deduct 100 points.
3
5
Share

Can an Electronic Turbocharger Enhance Power?

An electronic turbocharger can indeed enhance power. Generally, a turbocharger can increase power output by approximately 30%. It operates by utilizing the inertial force of exhaust gases expelled by the engine to drive a turbine within the turbocharger housing. This turbine, in turn, rotates a coaxial impeller, which compresses incoming air from the air filter intake and forces it into the engine cylinders under increased pressure. Below is relevant information about turbochargers: 1. Advantages: The primary benefit of a turbocharger lies in its ability to significantly boost engine power and torque without necessitating an increase in engine displacement. After installing a turbocharger, engine power and torque typically increase by 20% to 30%. 2. Disadvantages: The main drawback of turbochargers is lag. Due to the inertia of the impeller, there's a delayed response to sudden throttle changes, resulting in a lag in power output adjustment. This means vehicles requiring sudden acceleration or overtaking may experience a momentary sensation of insufficient power.
19
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.