1979 Chevy Van engine noise on 1979 chevy van 30

1979 CHEVROLET VAN
43,500 MILES • V8 • 2WD • AUTOMATIC
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MACKBLACK44
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Please...Just purchased a used chevy van 30 shasta motor home and when I got it home it started making a loud metallic sound...starts and idles fine...sounds like it is coming from the area of a lower pulley at the front of the engine...thanks for you help.

sounds like dragging a cowbell down the street...seems less intense when i rev the engine a little...thanks so much, owning an rv been a dream and am feeling a little crushed now because it was fine when I drove it 20 miles home...just wanted to start it up one more time before calling it a night and there was the noise.
Aug 18, 2008 at 8:06 PM
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RASMATAZ
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Could be a timing chain slap problem -describe the sound-
Aug 18, 2008 at 8:15 PM