9 Reason Your Car Shakes When Accelerating

The car shakes when accelerating due to a lack of traction. This can occur when driving up a steep incline or when the car is not in good condition. The shaking can also be caused by low tire pressure, loose tires, bad brakes, or misaligned wheels. If the problem only occurs while accelerating, it may indicate problems with the engine.

1.) Torque Converter Clutch

2.) Flywheel or Flex Plate

3.) CV Joint

4.) Vacuum Leak

5.) Spark Plugs

6.) Check your Tire Pressure

7.) The PCV Valve

8.) Fluid Leakage

9.) lose Belts Under Your Hood

#1 Torque Converter Clutch

After around 60,000 miles of use, there is an increased likelihood of a problem with your vehicle’s transmission system occurring if you are accelerating quickly. The shaking most often occurs in higher gears when you accelerate quickly from stopped or low speeds. One possible reason for this symptom is an improperly set torque converter clutch (TCC). If the TCC setting is too high or too low, the engine may idle roughly and will not be able to adjust to power demands at higher speeds. An adjustment can be made to reduce the severity of this issue until repairs can be made; however, will likely return in time as the part wears and is no longer within tolerance.

#2 Flywheel or Flexplate

Another possible cause of shaking during acceleration may be a problem with your vehicle’s flywheel or flexplate. After extended periods of driving, the weight on the mounting bolts for this component may wear and become too light to properly secure it. If this is the cause of your issue, it will need to be replaced as soon as possible due to its safety-related function; engine power is transmitted from the engine block by way of a drive plate that connects directly to the crankshaft. Wobbling at high speeds increases fatigue on various components and can lead to catastrophic failure under normal driving conditions and especially with sudden pressure fluctuations like those seen in aggressive driving situations.

#3 CV Joint

At this point, your car may be experiencing a problem with your CV joint. Constant velocity joints are supported by ball bearings and rely on lubrication to minimize any friction that can take place between moving parts. These joints will often go bad due to the elements and require replacement if their bearings become damaged or begin to wear out. When your constant-velocity joint begins to fail, you’ll notice a vibration in the vehicle when it’s accelerating from a stop as well as when driving at speeds of around 50 MPH or higher. If your car is exhibiting signs such as these, bring it in so we can inspect it for problems associated with the constant velocity joint!

#4 Vacuum Leak

The windshield wiper motor is one of the most common sources of a vacuum leak. The leaf spring that holds the blade onto the motor is what usually breaks and causes a vacuum leak on these cars. This leaf spring is located behind the rear deck lid or behind the glove box depending on which car you have…

#5 Spark Plugs

A preliminary check for the problem is to clean the spark plugs. If you follow further, then replace them with a new set of spark plugs. You can consult a professional mechanic or car repair center for this work.

In case, if your car has been through an accident and it has been fixed incorrectly, then there may be complications in starting your vehicle. In that situation, do not try to start your vehicle unless you get a green signal from the electrical system of the car after diagnosing all other problems. To eliminate any possibilities of being electrocuted while trying to start your engine, have someone else sit inside the car while you are trying to start it. Have them press down on the accelerator pedal so if there is an electrical failure, at least the car will go forward and will not stall.

#6 Check your Tire Pressure

In case of your vehicle shakes or vibrates while driving, then you need to check the tires as a possible cause of this problem. If there is insufficient tire pressure on all four tires, then it can lead to vibration from inside the car as well as increased fuel consumption. It might also cause uneven wear on the inside edges of your treads on your front tire set. You can check your tire pressure with a gauge that fits into a small hole in each wheel regularly.

#7 The PCV Valve

If you see any changes in the appearance of these black rubber hoses near one end where they attach to steel tubes going through the firewall on the passenger side, then you need to be concerned about a possible problem with the PCV valve. The PCV valve is supposed to control gasoline fumes from entering your engine by dumping them into the intake manifold. In case, if this valve breaks or is not attached, then it can cause the engine to stall as well as shake and vibrate your vehicle.

#8 Fluid Leakage

Oil leak or drop from engine of car on concrete floor , check and maintenance auto service

In case, you see any fluid leakage from underneath your car on either side of the firewall, look for oil leaks first as they are more likely than brake fluid or power steering fluid leakage underneath your car. It might also be a bent axle that has been lubricated by leaking fluids on the underbody of your car after an accident which needs your attention immediately before further damage occurs.

#9 loose Belts Under Your Hood

If you find any mechanical problems like loose belts under your hood, make sure you tighten them and check if they need replacement. If there is a broken belt on one side of the engine but not on the other side, then you need to buy two new belts rather than just replacing only one of them as both belts would fit better when tightened.

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