After water pump change i get a lot of vibrations, what the issue now??

I have a mitsubishi galant 97. I got the water pump changed for a hefty sum and then when i drive the car, the car makes louder noise when car is running and doesn't drive as smooth as earlier. The car vibrates a more that earlier. what could have gone wrong??
After water pump change i get a lot of vibrations, what the issue now??
It is possible the silent shafts are out of time.... and this will make the engine vibrate terribly.... the shafts functions are to eliminate harmonics/vibrations that normaly occur in a motor..
After water pump change i get a lot of vibrations, what the issue now??
Matt Farmer is stuck inside
take it back and complain.

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