Car rolls when in park on 1992 Cadillac DeVille

When my car is in park it still rolls and I have to now put on a parking emergency brake. What might be the problem?

by in Chicago, IL on September 22, 2010
1 answer
ANSWER by on September 22, 2010
There is a mechanical lock called a ratchet and pawl that physically stops the transmission when you are in Park, it must be broken.
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