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2010 Silverado 4.8l 4l80e whining noise
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2010regcab
In the stages of diagnosing my issue. Here is a brief history: I bought the truck about a month-2 months ago. Had 53k Kilometers on it then (I live in canada) and I just rolled over 57k. I bought it privately so no warranty. During my test drive I didnt notice the whining noise. Now it has gotten progressively worse. It makes the noise under any throttle input. No noise in park or neutral when revving. Put truck into drive, hold with brake and rev up and it will whine. Makes noise in reverse too.
Now because it will make it in gear but sitting still Im led to believe I have somehow managed to damage my tranny pump? Im hoping someone has been down this road before? My transmission guy says they are aluminium and can somehow become scored somehow?
Any input and discussion is appreciated guys!
Thanks a bunch, this is my first post here
If it helps I'll film a quick video for everyone.
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