···
Log in / Register

What Are the Causes of Vehicle Body Shaking?

4 Answers
Paul
07/29/25 7:48am
Vehicle body shaking is mostly related to the clutch, with specific reasons as follows: 1. When the car has been used for too long, the elasticity of the clutch pressure spring weakens, and cracks in the diaphragm spring can cause shaking when the clutch engages. The strategy to adopt in this case is to replace the spring. 2. If the owner accidentally lets the engine idle, engages a low gear, slowly releases the clutch pedal, and accelerates to start, and the body shakes at this time, it indicates clutch shaking. 3. If the owner frequently uses a clutch where the pressure spring elasticity is uneven, the separation levers are adjusted inconsistently, and/or the diaphragm spring separation fingers are uneven, it will lead to unsynchronized pressure application times. Uneven force on the pressure plate will cause the clutch to shake.
Was this review help?
1
4
Share
OHarper
08/13/25 2:30am
When I experience body shaking, experience tells me the most common cause is tire imbalance—especially when insufficient tire pressure or deformed rims cause wobbling at high speeds. Next is brake system failure, such as warped brake discs or unevenly worn pads, which can make the body tremble when braking lightly. Additionally, engine ignition issues like worn spark plugs, damaged ignition coils, or uneven fuel injection can also cause body vibration. Suspension components like leaking shock absorbers, weak springs, or loose lower control arms are also prone to causing shaking. Other factors, such as unbalanced drive shafts or transmission problems, should not be overlooked. It is recommended that car owners regularly perform four-wheel alignment and dynamic balance tests, and replace parts promptly to avoid hidden dangers. Addressing issues early saves money and hassle, and checking before long trips ensures greater safety.
Was this review help?
9
2
Share
Expand All
ManuelLee
10/05/25 2:34am
That time when I was driving on the highway, suddenly the car body shook violently, and my palms were sweating! Later, it was found that the severe shaking was caused by excessive wear on the front tires and improper wheel alignment. A friend had a similar experience, mostly due to unbalanced wheels, warped brake discs, or aging suspension. Stopping to check often reveals issues like rough engine ignition or transmission problems. I also noticed that potholes on the road can damage the car's chassis, causing shaking, and in the rainy season, moisture can rust components. It's advised not to delay repairs, as small issues can escalate into bigger, more expensive problems. Develop a maintenance habit to check tire pressure and wheel hub conditions for a smoother and more comfortable ride.
Was this review help?
7
3
Share
Expand All
PhoebeAnn
11/18/25 4:05am
Severe body shaking while driving is highly dangerous, especially at high speeds where the risk of losing control increases. I prioritize checking for causes such as unbalanced or excessively worn tires; suspension issues like damaged or weakened shock absorbers causing instability; engine ignition system failures or uneven power output due to old spark plugs; and uneven brake discs causing noticeable shaking when braking. External factors like potholes can exacerbate the problem. It's crucial to stop and inspect the vehicle to prevent accidents. Professional shops can quickly and accurately diagnose issues, and replacing parts promptly extends the car's lifespan, ensuring safe travels.
Was this review help?
20
0
Share
Expand All
More Forum Discussions

Is it normal for rust to appear under the seats of a used car?

Rust under the seats is not normal. The main reasons for rust under the seats are poor ventilation and dampness. The seats have metal components, and rust occurs due to moisture inside the car or previous water ingress. Over time, the base plate corrodes and rusts due to poor ventilation. The solution is to use sandpaper to remove the rust and smooth the surface, then apply protective paint for repair. The maintenance methods for leather seats are: 1. Keep away from heat sources, as being too close to heat can cause the leather to crack; 2. Avoid prolonged exposure to sunlight to prevent the leather from fading; 3. Regularly clean and maintain by wiping off dust with a semi-dry cloth to keep them dry and tidy; 4. Use a small amount of multi-purpose foam cleaner to clean and keep the leather surface dry.
4
1
Share

Will the engine be damaged if it gets flooded with water without a second start?

If the engine is not flooded with water, it will not be damaged; if it is flooded, it will be damaged. Once the vehicle stalls in water, do not restart it. Water enters through the intake pipe to the resonator box, then to the air filter, and finally into the engine. Once water enters the engine, it can cause immediate operational failure, leading to the car stalling. If the car accidentally encounters flooding while driving, the owner should turn off the engine immediately. Relevant information about car engines is as follows: 1. Introduction: The car engine is the device that provides power to the car, serving as the heart of the vehicle, determining its power, fuel efficiency, stability, and environmental performance. Common gasoline and diesel engines are both types of reciprocating piston internal combustion engines. 2. Classification: Based on the power source, car engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid types.
6
4
Share

Why does the ETC beep?

Generally, there are several reasons why an ETC device beeps: the newly purchased device has not been activated yet; when driving on the highway, the beeping sound records the trip for convenient toll collection upon exiting; low battery level of the ETC device. Other reasons include: 1. Unable to store power: installed under a black film, leading to power storage failure and depletion. 2. ETC failure or device malfunction: ETC failure or device abnormality causes the beeping sound. If the ETC has issues, it's best to visit a nearby ETC service center for inspection and replacement. Normally, the device beeps twice only when recognizing the vehicle on the highway and does not beep continuously. It beeps when inserting or removing the card and passing through the ETC toll station. If it beeps randomly, it might be a contact issue, and it's recommended to remove and reinsert the device.
13
3
Share

What is the normal reading on a Freon pressure gauge?

Under normal operating pressure of the air conditioning system, the gauge should indicate around 0.5MPa. Here is relevant information: 1. Precautions for adding refrigerant: Before vacuuming, completely replace any non-compatible refrigerants, otherwise the effect will be poor. When replacing AC components such as compressors, high/low pressure pipes, or dryer bottles, seal the pipe openings. Before charging refrigerant, perform a leak check, replace sealing rings when disassembled, check the amount of compressor oil, and add if necessary. Charge the refrigerant according to the specified quantity, within the + and - value range, avoiding overcharging or undercharging. Pay attention to the difference between refrigerant types, such as R12 (Freon) and R134A (environmentally friendly refrigerant). 2. Pressure: The outer red circle ranging from -30 to 350 LB/IN2 represents imperial pressure units, while the inner scale from -0.1 to 2.5MPa indicates commonly used pressure units. The gauge needle rests at the 0 position when no pressure is applied. Under normal operating pressure of the air conditioning system, the gauge should indicate around 0.5MPa.
18
5
Share

What does dexos mean?

dexos is a universally defined engine oil standard. The dexos certification was developed for vehicles under General Motors, meaning GM engines require dexos-certified oil. However, most dexos-certified oils are primarily American products. Below are extended details: 1. Viscosity classification: 10w-40 represents the SAE standard viscosity value. The "W" stands for winter, and the number preceding it indicates the oil's flow performance at low temperatures. A smaller number signifies better cold-start performance, while a larger number indicates superior high-temperature stability. 2. Quality classification: SJ/SL denotes gasoline engine oil; CF/CG indicates diesel engine oil. If the oil label displays combined letters like SC/SD, it signifies dual-purpose oil suitable for both gasoline and diesel engines. 3. Grade classification: The ACEA European Lubricant Classification Standard (latest 07 version) categorizes oils into three series: A/B series: For gasoline and light-duty diesel engines. C series: Compatible with catalyst-equipped engines. E series: For heavy-duty diesel engines. The A/B series includes A1/B1; A3/B3; A3/B4; A5/B5. The C series comprises C1, C2, C3, C4. The E series includes E2, E4; E6; E7.
1
1
Share

Can You Still Drive If the Coolant Boils Over?

If the coolant boils over, it is recommended to pull over and let the engine idle for a while to allow the temperature to gradually decrease. Check if the cooling system is functioning properly and inspect the coolant level. If the boiling is caused by insufficient coolant, replenish it promptly once the engine temperature has dropped. In case of emergency, if no coolant is available, a small amount of water can be added temporarily, and then proceed to the nearest repair shop for maintenance or replacement. Relevant information about coolant is as follows: 1. Introduction: The full name of coolant should be antifreeze coolant, meaning a cooling liquid with antifreeze properties. Coolant prevents the freezing of the liquid during cold winter stops, which could otherwise cause the radiator to crack or damage the engine cylinder block or cylinder head. 2. Function: It provides anti-corrosion protection for components of the cooling system; prevents scale buildup, avoiding reduced radiator efficiency; ensures the engine operates within the normal temperature range.
12
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.