my 93 si makes a grinding noise when in drive i raised my car off the ground and put it in drive and there is still a noise on my drivers side wheel i can feel it on my feet when sitting in the car while jacked im not sure if its something to do with my wheel or if its a cv axle im not to sure what it could be all i know is that it needs to be fixed cause the roads in alberta in the winter suck ass does anyone know what it could possibly be cause it is really annoying to drive listening to a grinding noise everywhere you go also if someone could help me diagnose a problem with my engine everytime i start my car it revs up and down till it is warm then levels out like nothing is wrong if some one could please help me figure out these problems that would be great cause i don't want to go spend more than what my car is worth at a mechanic to fix it when i can do it myself haha it would be much appreciated to hear what you have to say thanks