This problem is not just for older vehicles. A mistake that many people are making. Yes, the older vehicles are shaking, but even the new cars also shaking when they accelerate. Here are some of the common reasons.
Defect in inner constant-velocity joints:
CV joints are located at the axes of the wheels. You can also find the outer and inner CVs of the car. people know the outer CV start giving problems and you need to replace them. But people don’t know about the inner CV joints.
This problem starts with minor shaking when you are accelerating. This is a sign that this may be the inner joint is damaged. So, replacing the constant-velocity joints is essential.
Defective engine mounts:
This problem is occurring more with older vehicles. the engine mounts are destroyed. An engine mount is a structure that keeps the engine secure. If you get a lot of rumbling and if it breaks off completely, you might end up losing your engine.
Poorly aligned tires:
This is a common problem and It is easy to repair. Car is shaking when you are accelerating, and pull to one side of the road. It can happen to new and old vehicles both.
It is an easy fix and even not as expensive as compared to other problems. You have to just got the tires of the vehicle balanced. If this does not work, then there is a more serious problem that needs urgent attention.
Unconstrained lugs:
The lugs are keeping the wheel on the car. This can happen to any car. This can have terrific results if the tire falls off the car while driving. This also causes the car to start shaking when accelerating, and the first thing that you need to check.
The solution is quite easy. You just make sure that all the lugs are lock correctly. If it is loose, you have to find out the reason, why the lugs are loose.
These are the most common problems that you can have when your vehicle is rumbling when you start accelerating.
Source: https://buycarsandtrucks.com/car-rumbles-while-accelerating/
