A few months ago when I would start from a dead stop in my 1997 6.5 Chevy silverado, it started making a like a "clunk" from what sounded like the rear differential. It would also jerk. Here recently it started just doing it when I put it in drive. And it didn't do it all the time. I also just...
There is a clacking noise coming out of the engine around the alternator and vaccum pump area. It gets louder when you accelerate. I don't know if it could be a pulley or if a bad vaccum pump or alternator would make that noise. Any thoughts would be appreciated.