How Often should I replace my transmission fluid? It's a Brougham, not a Fleet on 1991 Cadillac Fleetwood

My car is a 1991 Cadilac Brougham. The system won't include this model in the list of choices.

by in Decatur, AL on November 09, 2012
1 answer
ANSWER by , November 09, 2012
approx every 30k to 40k miles