I need serious help! I am by far any type of mechanic, but for a chick I have done pretty good taking care of my 02 Mazda Protege lx 2.0L. I have ran into 2 issues actually. The main concern here is my crankshaft pulley. It has a slight wobble! No biggie right, well now it has a noise with it. My alternator going bad brought the wobble to my attention. Then after getting stuck in the mud (accidentally) idiot rednecks cant drive their big ole pick ups without making a mess! My tranny making a noise scared me (mud in flywheel)! I know my car, every shake, shimmy, sound, and vibration. This was a new sound and a slightly different thrum I would say. I've slowly been rebuilding my 02, it had 70k on it when I bought it replaced timing belt 2019. Alternator last week. Have a new starter for it, and ac compressor, cause my clutch plate on mine broke, water pump seems fine no overheating issues, bearings in wheels are all going bad, those next! Door lock actuators etc. I love my car! So I'm concerned about this wobble and thrumming sound. As well as the vaccum leak it has to have because I have literally replaced every sensor this car has, as well as coil paks 3times, and spark plugs every other oil change. Air filter etc...cant find the leak, but when I had my dash apart (changing hvac speed control knob & radio) When I drove It was like I could hear the vaccum leak...that was my next question. So mainly do I need to worry about my crank, and does anyone have a clue as to where that stubborn vacuum leak is?