definately get it checked for free before forking over the $$ and doing the labor. That scary noise could be a worn belt on a pully. Sounds like the battery could be just as likely of a problem here.

2000 SVT Black/Tan #1633/2150 (a few mods) Alpine: CDA-9835, MRV-F540, MRD-M550 PG: TANTRUM-X 6.5 COMP all around. Some people wear Superman pajamas. Superman wears Chuck Norris pajamas. CEL currently: Off