Quote:
Originally Posted by kbaird83
i have a 02 w/ the 5.3l. just today i started hearing a ticking noise when at idle. i dont hear it at acceleration. its not very loud. it doesnt seem to have any set speed or rhythem to it just a random yet constant tick. and it doesnt stop once warmed up. oil change w/ in last 300 miles used valvoline 10-30 and it is not low on oil. any one else have this?? what is it?
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any nosie you need to use something to locate the area of origination.. I use a hose and one end next to my ear the other to probe for source of noise...
could be water pump..