This article is from the Chrysler-Plymouth-Dodge FAQ, by Dr. David Zatz with numerous contributions by others.
Noise comes from the left side of the engine while starting from or
coming to a stop. More prevalent when engine comaprtment hot.
Diagnosis: With windows closed, trans in drive or first and parking
brake on, put a load onto the gas. Release the load and shift into
reverse. Listen for the noise as you apply a load in reverse. If you
can't hear it, drive at low speeds with several quick, but not hard,
acceleration/deceleration moves. Parts requried: left engine support.
Time: .6 hours (from TSB 09-02-93).