How much will it cost to replace the transmission on my automatic 1979 VW bus westfalia? (estimate OK)?

I have a 1979 VW bus westfalia and I think the transmission is going out. My dad wants to sell but I want to see how much it would cost to replace the transmission.How much will it cost to replace the transmission on my automatic 1979 VW bus westfalia? (estimate OK)?call around your local area...we replaced a mercedes transmission and called around and got quotes from $1600 to $4500. consider rebuilding or having someone rebuild for you. GMC van tranny was $550.