Acceleration Noise on 2001 Volkswagen Beetle

Whenever I step on gas for acceleration, I hear a loud rasping sound from engine area. What could cause this? Otherwise car runs fine.

by in Eastlake, OH on July 14, 2010
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2 answers 1 comment
ANSWER by , September 19, 2010
Finally took car to dealer. Problem was the catalytic converter causing rattling sound. It was replaced and it corrected the problem. Thank goodness it was covered under warranty.
COMMENT by , September 21, 2010
how did you get this covered under a warranty? i have the same year beetle and my warranty has long since expired.
ANSWER by , August 19, 2010
Have the same car/problem. The mechanics just changed the water pump and the timer. MIL light came on and the noise. Please let me know if you get an answer.