Why is my car making these weird noises, and does it need a professional opinion or is it easily fixed?

My ford fairmont (Ghia) 1997 model, recently has made an odd popping noise in what seemed to be the left side of the car out of no where. The car prior to the popping noise was vibrating odd when idled at traffic lights and such, though once it passed roughly 20Kms, it ceased to vibrate (prior to the pop noise, though ongoing).

Now after this pop noise, it's vibrating is ongoing and unpreventable. The car is dual fuel, but switching between does not altercate this problem. The Vehicle is also leaking some sort of fluid underneath, though it's very minor and the leak is almost unnoticeable. The Car has been maintained and cheked well, all fluids in the car are up and fine.

Any help or suggestions are much needed!

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