What Are the Causes of Car Noise?

3 Answers
Adeline
07/28/25 9:24am
The causes of car noise are: 1. Engine noise due to carbon deposits, damaged damping components, or aging seals; 2. Tire noise from aging and hardening; 3. Noise caused by pressure changes from airflow separation around the car body; 4. Noise from the interaction between air intake through gaps in the cabin or body and the surrounding airflow; 5. Faulty shock absorbers causing abnormal sounds when driving on uneven roads. The solutions for car noise are: 1. Add lubricating oil and remove carbon deposits from the engine; 2. Replace or top up engine oil and check for valve leaks; 3. Replace tires; 4. Inspect shock absorbers for oil leaks.
Was this review help?
13
4
Share
AveryRose
08/11/25 3:42pm
There are many causes of car noise, and as someone who has been driving for many years, I think there are several common ones. A loose belt in the engine area will squeak; a leaking exhaust pipe makes a loud roaring sound when accelerating; uneven tire wear or low tire pressure causes a humming noise at high speeds, affecting driving comfort. Damaged bearings produce a creaking sound when turning; thin brake pads will screech when braking. Also, a stuck electronic fan makes a clicking sound; a loose suspension system clatters over speed bumps. These issues should be repaired promptly, as noise is a signal of minor problems that could lead to major failures if ignored. Regular maintenance can prevent these issues, especially by paying attention to changes in sound during idle and acceleration, and seeking a technician's help immediately.
Was this review help?
9
4
Share
Expand All
McLeo
09/28/25 3:54am
I often hear strange noises coming from my car, with various sources. The braking system is the most common: when the brake pads wear thin, they squeak; uneven tires or insufficient air pressure can cause an annoying humming sound while driving. A leaking or aging exhaust pipe produces a rumbling noise during acceleration, and a cracked engine belt will squeal. I've also noticed a whistling sound when the wind is strong, possibly due to damaged door or window seals. These minor noises may seem insignificant at first, but they can accumulate and distract the driver, even hinting at potential safety hazards. My advice is to conduct a simple self-check for the source whenever you hear an unusual sound, then take it to a repair shop for inspection. Don't delay, as it might cost more later.
Was this review help?
12
2
Share
Expand All
More Forum Discussions

Is the Maserati fuel consumption high?

Maserati GT has an average fuel consumption of 18.9-20L per 100 kilometers, which is considered a high fuel consumption type overall. However, since fuel consumption is related to various factors, the actual usage should be taken as the standard for specific fuel consumption. The main factors affecting fuel consumption are as follows: 1. Maintain a reasonable driving speed: Each car has its own economical speed, at which the fuel consumption is the lowest. However, the economical speed of most SUV cars is not very high, commonly ranging from 65 to 90 km/h. To reduce fuel consumption, drivers should try to control their speed within this range. 2. Avoid sudden acceleration and deceleration: Strive to maintain a steady speed while driving, avoiding sudden acceleration and deceleration. Do not press the accelerator pedal hard to accelerate. This only significantly increases fuel consumption. In daily driving, especially in traffic jams, at red lights, or when changing lanes, it is common to see this phenomenon of pressing the accelerator pedal hard. 3. Avoid prolonging the engine warm-up time: When starting a cold car, do not artificially prolong the engine warm-up time, as it will have the opposite effect. Just note that after ignition, do not immediately drive at high speed. Instead, drive slowly for a few minutes, then gradually increase the speed. In winter, the slow driving time can be extended a bit more.
10
2
Share

When the seat is moved forward, should the reference point be advanced or delayed?

Move back, the reference point should be advanced; if the person moves forward, the reference point should be slightly delayed. Try to adjust your position as best as possible. Here are the detailed explanations: 1. Correct driving posture: Tilt the seat back at an angle of 100~120 degrees to reduce lumbar pressure, ensuring the lumbar support wraps well around the waist and fits the lumbar spine perfectly without any gaps. When holding the steering wheel at the 3 and 9 o'clock positions, the arms should naturally bend at 120 degrees. Press the brake pedal with your right foot, keeping the knee slightly bent. 2. Driving precautions: Focus on preventing fatigue driving. Fatigue reduces the driver's judgment ability, slows reaction time, increases operational errors, leading to untimely and inaccurate gear shifts, and in some cases, even brief episodes of sleep, resulting in loss of vehicle control. Therefore, when feeling fatigued, the driver should promptly leave the road, stop in a safe area to rest, and only continue driving after alleviating fatigue.
17
4
Share

How to Determine if the Car is in Neutral Gear While Driving

For automatic transmission vehicles, there is usually a dedicated display area on the dashboard; if it's a manual transmission, you can gently wiggle the gear lever up, down, left, and right to feel if it's in neutral. Here are some additional details: 1. Neutral Gear: Neutral is one of the three standard gear positions in automatic transmission models, located between the R (Reverse) and D (Drive) gears on the gear shift console. Essentially, it represents the neutral position in the transmission, designed to disconnect power transmission between the input and output shafts inside the gearbox. 2. Precautions: Automatic transmission vehicles should not coast in neutral under normal circumstances, as it is unsafe and can lead to insufficient lubrication of gears and other components due to inadequate oil pump supply, potentially damaging the transmission. Additionally, neutral gear is purely a disengaged state without any braking mechanism. Parking requires the use of the handbrake or brake pedal; otherwise, the vehicle may roll on uneven surfaces.
6
0
Share

What is the function when the automatic transmission ECD light comes on?

ECD light illumination indicates the vehicle has entered energy-saving mode. Here is relevant information: 1. Translated meaning in Chinese: Energy Conversion Device. Due to its high sensitivity and excellent selectivity, ECD has been widely used for years in analyzing trace amounts of pesticides, polychlorinated biphenyls, etc., in environmental samples. Its application scope ranks second only to TCD and FID, consistently holding the third position. ECD is one type of gas ionization detector, but its signal differs from other ionization detectors like FID. While FID signals represent an increase in baseline current, ECD signals indicate a decrease in high-background baseline current. The limitation of ECD is its relatively narrow linear range, typically only 10²-10⁴. 2. The role of ECD (Energy Conversion Device) in vehicles: (1) The vehicle burns fuel, converting the fuel's chemical energy into internal energy. (2) The gas in the cylinder pushes the piston to perform work, converting internal energy into mechanical energy. (3) Friction between various mechanical parts and between the vehicle and the road surface converts mechanical energy into internal energy.
15
0
Share

Must the Scheduled Morning Session for Subject 3 Be Taken in the Morning?

Subject 3 must be taken in the morning if scheduled for that time. After successfully booking Subject 3, the vehicle management office will send a text message notifying the examinee of the test time and location. The examinee must arrive at the test site on time as required to participate in the exam. If the examinee fails to attend the exam due to personal reasons, the test site will cancel the exam qualification, resulting in a failed attempt, and a rebooking for a make-up exam will be necessary. Below is additional information: 1. Subject 3: Subject 3 is part of the motor vehicle driver's license assessment, officially known as the Road Driving Skills and Safe & Civilized Driving Knowledge Test. 2. Notes: Since exam scheduling is automatically sorted by the system, there is no effective method to increase the success rate of booking. Alternatively, you may try the priority booking mode, which is only applicable when the applicant's driving learning certificate has less than 6 months of validity. Note that applicants must bring their identity documents to the scheduled test site and time. Failure to attend the exam on time will result in a failed attempt. If unable to attend the exam at the scheduled time, applicants must apply to cancel the booking at the vehicle management office one day in advance.
12
3
Share

What Causes the Electronic Handbrake Light to Flash in the X-Trail?

Possible reasons include brake fluid leakage or insufficient levels, which should be checked and replenished. Handbrake Light Maintenance Tips: 1. Avoid Low-Quality Bulbs: The performance of the bulbs is crucial as it affects nighttime illumination and driving safety. High-quality headlight bulbs are essential for safe driving. 2. Perform Regular Maintenance: Regular vehicle maintenance is necessary, including checking if the engine oil and oil filter need replacement and ensuring the brakes are functioning properly. Similarly, headlight bulbs should be inspected periodically for integrity and replaced promptly if needed. 3. Replace Bulbs Promptly: Typically, after driving 50,000 kilometers or around 2 years, the brightness of the headlight bulbs may diminish. At this point, it is advisable to have them checked at a 4S shop. If the brightness is insufficient, it is best to replace the bulbs immediately, preferably replacing both sides simultaneously to maintain uniform brightness.
16
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.