Whine coming from somewhere!
Truck is at dealer and they are "going over every moving part" with stethoscopes looking for a mysterious whine that has popped up. Truck is a 2004 Silerado LT3 1500 ext cab 2wd. 253k miles. New e...
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I say it is the diffy and you need to pull the cover and see what runs out of there.
