Any advice for changing alternator in 1996 Mercury Sable accessed right front fender well This version seems to be an OHC V6 access hard Seems I must send to shop expensive?

If you have patience and a good supply of cuss-words, you can probably do this alternator replacement.

Oh yeah, and if you like 3D jigsaw puzzles, that will help too!

The "Related Questions" below has plenty of great advice on the procedures, but no extra cuss-words - you're on your own for those...