clicking noise

1999 CHEVROLET ASTRO
12,400 MILES
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CJBALCRJ
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  • 1 POST
My wife and i went to look at a 1999 astro for sale.It makes a fairly loud tapping noise when running and the serpentine squeals. could this two separate issues or maybe just a bad tensioner?
Oct 10, 2012 at 8:19 PM
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KHLOW2008
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That would depend on where the tapping noise is coming from. If it is from belt area, it could be a worn serpentine belt. If noise is internal of engine, that could be bad valve lifters or even engine mechanical fault.
Oct 10, 2012 at 8:30 PM
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