I have a 2003 Chevy SSR it only has 80,000 miles on it it's been sitting for over a year got it out photos it up and started getting it back in shape now when I hit a bump and go to accelerate after swimming down to hit the bump or hit a bump while driving I got a weird rattles coming from somewhere between the tranny in the rear end sounds half like the training is going too far like the rear end is going to fall out anyone experience this anyone know got any ideas what it might be