Strange 911 Groaning Noise...

bought this car 7-26-98. IT"s pulling to the right and getting worse,
> maybe a caliper problem.another problem is After driving it 30 mi from
> the dealer I noticed at Low speed only (5mph or lower) a Low Grown that
> comes from the cars belly and only when I make right hand turns?
> another problem is rain water will enter the passenger side floor area .
> any Clues will be of great help to me