What Causes Abnormal Noise During Transmission Acceleration?

1 Answers
FernandoRose
07/30/25 12:39am
Transmission acceleration has abnormal noise reasons: Bearing wear and damage: When bearings wear, their clearance increases and fitting accuracy decreases. When bearings are damaged, they cannot operate normally, which will produce abnormal noise and may even damage transmission components, leading to further malfunctions. Transmission component wear: Wear of transmission components or use of replacement parts with excessively low precision, such as gear wear or excessive clearance between new replacement gears and original gears. Insufficient lubrication: Insufficient lubrication oil or excessively high viscosity causing poor lubrication. In this case, the corresponding lubricating oil (grease) should be replaced, otherwise it will accelerate transmission wear and shorten service life.
Was this review help?
15
2
Share
More Forum Discussions

How to Replace an ETC Card?

ETC card replacement method: The vehicle owner should bring their ID card, original vehicle registration certificate, and copies to the bank counter to handle the card change or replacement service. The installation process for the ETC device is as follows: Upon receiving the device, first check if the ETC card and electronic tag (OBU) are damaged. Press the anti-tamper button on the back of the OBU; the red light will briefly turn on, and the OLED screen will display "Tag Invalid" or "Please Insert Card," indicating the device is functioning normally. Clean the front windshield, ensuring the surface is smooth, clean, and dry. Then peel off the adhesive backing of the OBU and attach it to the installation position. Press firmly for 2-3 minutes to remove any air bubbles. Insert the ETC card with the front facing the driver and the back facing the windshield, ensuring the chip is inserted into the OBU device. ETC device activation method: Insert and remove the ETC card twice in succession until the electronic tag screen displays "Bluetooth On." If "Tag Invalid" appears when inserting and removing the card twice without attaching the electronic tag, this is normal and does not affect activation. Alternatively, press the button on top of the electronic tag to enable Bluetooth. Turn on your phone's Bluetooth and open the corresponding mobile app (usually a download QR code is provided on the electronic tag), then enter the device activation interface. Click "Connect Device" and wait patiently for the "Connection Successful" prompt. Once connected, upload a photo of the vehicle's front to complete activation.
18
0
Share

What is the 0-100 km/h acceleration time of the GSX250R?

GSX250R's 0-100 km/h acceleration time is 9.25 seconds. This motorcycle's engine has an actual displacement of 248ml, with a maximum power output of 18.4KW and maximum torque of 23.4N-m. Below is relevant information about 0-100 km/h acceleration: Introduction to 0-100 km/h acceleration: 0-100 km/h acceleration refers to the time taken for a vehicle to accelerate from 0 to 100 km/h, which is the most direct reflection of a vehicle's power performance. Generally, 1.6L compact cars achieve 0-100 km/h acceleration in 11-13 seconds, 2.0T mid-size sedans in 7-8 seconds, while supercars mostly complete this in under 3.8 seconds. About vehicle's 0-100 km/h acceleration: With normal vehicle launch, after pressing the accelerator, the time taken for the vehicle to accelerate from 0 km/h to 100 km/h is called the 0-100 km/h acceleration time. Shorter time indicates stronger powertrain performance; longer time suggests weaker powertrain. Generally, vehicles with higher power achieve shorter acceleration times, indicating stronger powertrain. Conversely, longer 0-100 km/h acceleration time indicates weaker vehicle powertrain.
5
5
Share

How many months can a vehicle be overdue for inspection?

A vehicle cannot be overdue for inspection for more than three months. If the vehicle is overdue for inspection for less than three months, you can simply make up for it and will receive a verbal warning without a fine; if the vehicle is overdue for inspection for more than three months but less than two years, you will need to pay a fine and have 3 points deducted. Below are the consequences and relevant regulations for being overdue for inspection for more than three months: Consequences of being overdue for inspection for more than three months: If a vehicle has not undergone an annual inspection for more than two years, the vehicle's file will be canceled, and it can generally be restored only after paying a fine; driving without timely annual inspection is considered illegal driving and may result in the vehicle being impounded; if a vehicle fails to obtain a motor vehicle inspection compliance mark for three consecutive inspection cycles, it will be forcibly scrapped. Relevant regulations: According to the relevant penalty standards, being overdue for inspection for one month will not result in a penalty, as long as you promptly go to the vehicle management office for a re-inspection. However, it should be noted that whether the vehicle is overdue for inspection for one month or one day, it means the vehicle is no longer qualified to be driven on the road. If you are caught by traffic police while driving, you will be directly fined and have 3 points deducted. Therefore, once you find that your vehicle's annual inspection is overdue, you should immediately go for a supplementary inspection.
7
0
Share

Does the Audi Q5 consume one liter of engine oil every two hundred kilometers?

Audi Q5 consumes one liter of engine oil every two hundred kilometers. Persist in changing engine oil: Since most Audi series cars tend to "burn" a bit of engine oil, it is necessary to replace the fully synthetic lubricating oil every 5,000 kilometers. Adding engine oil: When adding engine oil, it is recommended to strictly follow the scale on the engine oil dipstick. Do not overfill—just up to the upper limit. Excessive oil can affect the operation of the three-way catalytic converter, and high oil pressure may cause damage to the seals. Additionally, it can lead to intense agitation of the crankshaft journal and connecting rod big end during engine operation, which not only increases internal power loss but also results in more oil splashing onto the cylinder walls, causing oil burning and exhaust emissions.
17
5
Share

What does the cup symbol on the Mercedes dashboard mean?

Mercedes dashboard displaying a cup symbol indicates a fatigue driving alert. Two scenarios trigger the cup symbol: 1. Maintaining constant throttle position for extended periods on highways 2. Keeping the steering wheel stationary for prolonged durations (on straight roads) When either condition occurs, the system interprets it as "fatigued driving" and displays the "cup" symbol with an audible alert. To deactivate the fatigue warning: When the cup appears, press the OK button to dismiss the alert. For persistent display, navigate to steering wheel controls to disable the symbol, though the fatigue monitoring system remains active.
4
2
Share

What Causes the Air Conditioning Not to Cool When the Car is Idling?

Here are the reasons why the air conditioning does not cool when idling: Refrigerant leakage in the air conditioning system: Refrigerant leakage leads to insufficient refrigerant, causing the air conditioning to fail to cool. The solution is to add refrigerant along with fluorescent dye. After the vehicle has been used for a period, inspect the air conditioning system with a specialized fluorescent lamp. If there is a leak, the leaking point will glow, and the leaking part or component should be repaired or replaced. Low engine speed: When the car is idling, the engine speed is low, causing the compressor speed to also decrease. Combined with insufficient refrigerant, the instantaneous pressure cannot reach the standard state, resulting in excessively low high pressure and the air conditioning not cooling. Observe through the sight glass on the dryer tank. During normal operation of the air conditioning, if continuous bubbles appear in the sight glass, it indicates insufficient refrigerant. If bubble flipping occurs, it means the refrigerant is severely insufficient and needs to be added. Damaged expansion valve: A damaged expansion valve prevents the system before the valve from forming high pressure, and the high-pressure refrigerant cannot reach 150 Kpa. As a result, the evaporator after the expansion valve cannot cool down, leading to ineffective air conditioning. Internal wear of the air conditioning compressor causes the pressure between the compressor and the expansion valve to fail to reach 150 Kpa to 200 Kpa, preventing the refrigerant in the system from circulating normally and causing the air conditioning to not cool. If severe internal wear of the air conditioning compressor is found, replacing the compressor will resolve the issue.
8
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.