1997 Cadillac DeVille Q&A

1997 Cadillac DeVille Question: Why is coolant coming out of my reservoir overfill when I shut it down?

After driving I lose coolant out of my radiator reservoir on my 1997 Cadillac deville when I shut it down. It comes out of the tank where I fill my coolant. -
Answer 1
Try a new radiator cap to start with then don't overfill the recovery tank! -
Answer 2
poss radiator cap is weak -