What Are the Causes of Abnormal Noises from the Car Chassis?

2 Answers
Reginald
07/25/25 4:12am
Abnormal noises from the car chassis can be caused by: 1. Loose or damaged engine mounts; 2. Malfunctions in the steering or suspension systems; 3. Faulty components in the braking system; 4. Issues with bearings; 5. Loose parts in the braking system. Solutions for abnormal noises from the car chassis: 1. Identify the problem and conduct timely repairs; 2. It is recommended to visit a professional repair shop for maintenance. The car chassis consists of four main parts: the transmission system, the running gear, the steering system, and the braking system. The chassis supports and mounts the car engine and its various components and assemblies, forming the overall shape of the car, receiving power from the engine to enable movement and ensure normal driving.
Was this review help?
15
4
Share
DiEmiliano
08/10/25 5:17pm
As a car owner with years of driving experience, I've encountered the annoyance of chassis noises several times. Common causes include aging suspension components, such as leaking shock absorbers or worn bushings, which produce squeaking sounds when driving on bumpy roads. Loose ball joints in the steering system can also cause knocking noises when turning. The drivetrain may also be at fault—for instance, loose half-shaft connections can result in metallic clunking sounds during acceleration or deceleration. Additionally, detached exhaust hangers or loose body bolts are not uncommon, so it's important to check these areas during routine maintenance. If the noise persists, don’t delay—visit a professional repair shop promptly for diagnosis to prevent it from escalating into a major issue affecting handling. Chassis problems impact driving safety, so I recommend performing a simple monthly inspection under the car to check bolt tightness and catch minor issues early.
Was this review help?
7
1
Share
Expand All
More Forum Discussions

Should a Scooter Use 5W40 or 10W40?

Scooters can use either 5W40 or 10W40 engine oil, depending on the minimum winter temperature in the region. If the winter temperature drops below -25°C, 5W40 oil is required. If the winter temperature does not fall below -25°C, 10W40 oil can be used, though 5W40 is also acceptable. Below are some relevant details: 1. Motorcycle Oil: Motorcycle oil is the abbreviated term for motorcycle engine lubricant. It typically includes engine oil, gear oil, and shock absorber oil. 2. Automatic Clutch: Scooters generally feature a continuously variable transmission (CVT) with an automatic clutch and no gear design. Once started, simply twisting the throttle accelerates the scooter, while releasing it gradually slows down until stopping. Additionally, scooter wheels are smaller than those of other motorcycles, and most scooters use belt drives for their transmission systems.
16
5
Share

Is It Reasonable for a Parking Lot to Ask for Car Keys?

It is unreasonable for a parking lot to ask for car keys. Additional information is as follows: Parking precautions: When parking in a parking lot, it is best to have the front of the car facing the passageway, which makes it easier to exit the parking space. When parking, regardless of the length of the parking space, it is advisable to reverse into the space for smooth positioning. When parking outside of a designated parking lot, be sure to observe whether there are traffic signs prohibiting parking on the roadside, and never "defy the wind" by parking illegally. In roadside parking spaces where parking is allowed, try to park in the direction of traffic to prevent the vehicle from going against the flow due to one-way streets, which could even lead to traffic congestion.
16
4
Share

What brand of transmission is used in the Audi Q5?

Audi Q5 is equipped with an Stronic transmission. Transmissions are divided into manual transmissions and automatic transmissions. Manual transmissions mainly consist of gears and shafts, achieving speed and torque changes through different gear combinations. Automatic transmissions are composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system, achieving speed and torque changes through hydraulic transmission and gear combinations. Taking the 2018 Audi Q5 as an example, its body structure is a 5-door, 5-seat SUV. The body dimensions are: length 4629mm, width 1898mm, height 1655mm, wheelbase 2807mm, minimum ground clearance 185mm, fuel tank capacity 75L, luggage compartment capacity 540L, and body weight 1900kg.
13
3
Share

How to Park a BMW X3?

To park a BMW X3, follow these steps: 1. After reaching the parking spot, press the brake pedal until the vehicle comes to a complete stop; 2. Shift the gear lever into N (neutral) without releasing the brake; 3. Engage the handbrake; 4. After setting the handbrake, release the foot brake; 5. Once the vehicle is completely stationary, press the brake again and shift into P (park), then exit the vehicle and lock it. Taking the 2021 BMW X3 as an example, it features a 5-door, 5-seat midsize SUV body structure, with dimensions of 4717mm in length, 1891mm in width, and 1689mm in height, a wheelbase of 2864mm, a minimum ground clearance of 216mm, a fuel tank capacity of 65 liters, and a curb weight of 1860kg.
7
4
Share

Is it okay not to apply film to a car?

It is okay not to apply film to a car, as it does not affect the normal use of the vehicle. The functions of car window film include: 1. Heat insulation and sun protection, blocking a large amount of heat generated by infrared rays; 2. UV protection, preventing skin damage and reducing the aging of car interiors; 3. Enhancing the strength of the glass to prevent injuries to passengers caused by accidental glass breakage; 4. Creating a private space—while the outside cannot see inside, the inside can still see outside, ensuring privacy and safety; 5. Compensating for the loss of air conditioning cooling capacity by applying heat-insulating film, thereby lowering the interior temperature; 6. Personalizing and beautifying the car through film application; 7. Reducing accidents caused by glare factors.
13
3
Share

What is the reason for the car key flashing red light and not opening the door when pressed?

It may be due to remote control damage, car lock malfunction, or electromagnetic interference nearby. The following are the components of a remote key: 1. Transmitter: Composed of a transmission switch, transmission antenna, integrated circuit, etc., containing an identification code storage circuit and an amplitude modulation circuit, with a button-type lithium battery on the opposite side of the circuit. The transmission frequency uses radio waves, and the transmission switch button sends a signal once per press. 2. Receiver: After the transmitter sends the identification code using shortwave modulation, it is received by the car's shortwave antenna and enters the shortwave high-frequency amplification processor of the receiver's electronic control unit through a distributor for demodulation, and then compared with the demodulator's identification code.
8
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.