Article: Sound Investigation

Article from:
Motor Age
Article date:
November 1, 2008
Author:
Copyright

Solving vehicle problems can involve some pretty strange noises.

Noise-hunting is always an adventure, though I've never been a fan of it. Some guys live for it. Noises can telegraph from one end of the vehicle to another and can sound like unrelated noises. Belts and pulleys are notorious for making strange and confusing noises.

Back in the 1970s, I was working as a mechanic at an independent shop in Alabama, and a high mileage 1972 Ford pickup came in sounding like the engine was about to knock its brains out. I was shocked when the old guy who owned the shop removed the belt (which had numerous chunks missing) and made the engine run quiet. A new belt was all that Ford needed to stop the ...

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