it drives and changes out fine.
why my 1998 cadillac deville will not go into reverse. on 1998 Cadillac DeVille
do you have any trans codes? scan and post so we can advise
no trans code
YOU MAY HAVE A HARD PARTS INTERNAL FAILURE. WHTA DOES YOUR TRANS FLUID LOOK LIKE? I SUGGEST YOU DROP THE TRANS PAN AND INSP FOR METAL SHAVINGS