Problem: Knocking Sound Under Car When Turned Off

Problem Abstract: Knocking Sound Under Car When Turned Off
Reported By: Gautam Desai (desai@meru.com)
Year: 1998
Model: GTP
Mileage: 350
Applicable Options:
Solution:
Cost:
Other: When I turn the car off I hear a loud knocking or deep tocking sound from under the car. The frequency is twice a second to start with and slows down over several minutes until it stops.
Date Entered: 7/9/1998 at 12:23:05 CST