Car Shakes When Accelerating the Transmission

Drivers might feel very worried when they realize their car shakes when accelerating. Don’t worry, here we have a guide to tell you what might be the reasons this is happening. The most important thing is that you keep a regular check on your vehicle, so there is no major damage because, obviously, it’s expensive to fix big errors.

This blog will tell you what can be the reason behind your car sputters while accelerating.

Reasons Why Your Car Shakes When Accelerating

Often when the car shakes when accelerating starts slowly and gradually become a big problem for drivers. Maybe at the start, you may not even feel the bumpiness while starting or even ignore it at the start as it does not seem a big issue. This is a very risky approach toward your car’s health it is important that you check regularly and understand the damage happening before it becomes a bigger issue or starts affecting the nearby equipment.

There are many reasons why a car rumbles while accelerating, but here we have a list of the top 9 things that we think are the most common problems for drivers:

Unbalanced Tires

Tires are a really important part of a vehicle to function, any problems related to tires can cause the vehicle to shudder when you start it. Drivers need to keep a regular check on the balance of tires and if there are no issues with the bearing. If you find any problem, fix it immediately, as it’s very risky to drive with a damaged tire.

Damaged Motor Mounts

Your car shakes when accelerating may be due to damaged engine mounts. This may happen if even one of the motor mounts is damaged, which would place more strain on the remaining mounts. One approach to eliminate vibration during acceleration is to replace damaged motor mounts.

The Inner Joints in The Cv are Broken

The Inner Joints in The Cv Are Broken

CV joints connect the transmission to the wheels of your car, they are a part of the driveshaft. If the CV joints are broken, it’s important you address them immediately and replace them as soon as possible to save you and your car from the risk.

Loose Lug Nuts

If the lug nuts are loose, obviously, it will make the car wobble as the wheels themselves are loose. This can be a very dangerous issue, and you should fix it instantly. If not fixed, you can face bigger risks, like losing a wheel while driving.

There Is a Bent in Axle

A bent axle may also be the cause of increased vibrations while accelerating. This frequently happens after a mild collision or a direct strike (like a curb). To solve this issue, the axle you must replace the axle. If you wait to address this issue, it can become more serious.

Dirty Or Worn-Out Spark Plugs

Shaking while braking and accelerating is a sign that your car’s spark plugs are filthy or damaged. To fix this problem, take out the spark plugs and clean or replace them.

Torn Or Disconnected Vaccum Hose

You will feel a minor shake or shudder if the vacuum hose is disconnected or torn. It is necessary to check the hose for even the smallest rips or disconnections. Small clamps can be used to rejoin disconnected vacuum lines. Stronger silicon vacuum hoses can be used to replace the whole vacuum pipe, which will solve the issue and reduce the likelihood that it will occur again.

The Brake Caliper Is Stuck

Your car’s brake caliper may be jammed if your steering wheel begins to tremble at speeds of 40 to 50 miles per hour, getting worse as you accelerate. To identify this issue, every component of the vehicle’s braking system on each wheel has to be carefully examined. Any broken components need to be replaced.

Low Transmission Fluid

When you car has not optimum level of fluid, then there will overheating of transmission fluid. It will damage your gearbox. With the damaged transmission your car won’t function properly. You will feel abrupt car shaking while accelerating. You will hear loud noise.

If the car shimmies when accelerating and it’s going for a long period, you should consider replacing the transmission or buying a new car. However, it is better to get your car inspected by a mechanic who can guide you better regarding this decision.

Frequently Asked Question on Why Car Feels Shaky When Accelerating

Can transmission problems cause shaking?

The indications from an automatic transmission are more nuanced but still obvious. At initially, shifting into and out of gear will create minor vibration, but as the issue persists, shifting into and out of gear will become more jarring and cause shaking.

Can low oil cause the car to shake, accelerating?

Another indication that your automobile needs an oil change is if it shakes when it is idle. The oil that is stale or unclean thickens and becomes incapable of lubricating the engine’s moving components. If the metal-on-metal friction is severe enough, the rider may experience shaking or vibrating.

Why does my car shake when I accelerate over 40 mph?

Typically, vibrations (shakes) result from an unbalanced object. Given that the tires and wheels have been balanced, it may be a vibration caused by a worn, loosened, or damaged wheel bearing. It could also explain why the noise gets louder as you go faster.

How much does it cost to replace a transmission torque converter?

A transmission replacement will cost between $600 and $1000 at repair facilities. The torque converter itself is very reasonable (ranging from $150 to $350 depending on the car), but replacing it requires removing the transmission, which adds 5–10 hours of effort.

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Author Details
Automobile Engineer , Spare Part Zone

I am an automobile engineer with more than ten years of experience in the field. I like giving my readers accurate information and ensuring that they acquire the best components for their vehicles.

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