Wow, yeah. You think it's small? Try this is the biggest problem your car has ever had and will ever have in the future. You can't just fix this at your local muffler shop, you're going to have to go to a transmission shop and have it either rebuilt or replaced. Average national cost: $1700-$3000. Is your Ford Probe worth it? No. Ford Probe was probably the most unreliable car ever made in the 90s along with the Plymouth Neon.