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BThat sounds like a belt tensioner and when you cleaned the TB the idle changed and the sound changed because of the idle speed. Did you...
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BBrawny reacted to Toyota2Tahoe's post in the thread 2011 5.3 engine noise, lend me your ears with
Like.
I had a bad belt tensioner that sounded like this on my 2011 Tahoe. No expert just 2 cents -
BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.Both good guesses, but nope.
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BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.I don't know how to explain it other than the rough idle and sound was caused by a gunky tb. I've dealt with this in previous vehicles...
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BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.Maybe, it seemed to have been fitted properly but it surely was nasty in there.
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BBrawny reacted to Dustin Jackson's post in the thread 2011 5.3 engine noise, lend me your ears with Like.
With the information provided I could only guess that it had something to do with the oil pressure sensor or the throttle body, you...
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BBrawny reacted to solli5pack's post in the thread 2011 5.3 engine noise, lend me your ears with Like.
Was the mass air flow or air intake ducting not seated properly on the throttle body?
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BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.Just following the rules to riddle engagement! I'll go ahead and say just so that posterity can at least look into this before they...
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BHuh.. with that code, I can't imagine how it makes that noise! Connection so intermittent that it's oscillating the throttle blade...
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BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.Yeah, I'm not trying to be cryptic, but genuinely want to see if others offer a possible fix. Not a wiring problem. That's not exactly...
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BBrawny replied to the thread 2011 5.3 engine noise, lend me your ears.New information, or rather information I already had, but didn't think it was important. You be the judge. I did have an old code that I...
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BBrawny reacted to Doubeleive's post in the thread 2011 5.3 engine noise, lend me your ears with Like.
Listen to each of the converters and this will at least tell you which side is more noisy if it is internal to the motor
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BNo, it sounds way to gnarly and fast paced. Did you remove the belt for the A/C as well?
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BJeebus. How does it idle and drive? Make any odd sound when starting? Does the sound change when in gear and engine under load? How...
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BBrawny reacted to Doubeleive's post in the thread 2011 5.3 engine noise, lend me your ears with Like.
could be starter, could be material in the catalytic converter broke loose you need a stethoscope they are like $10-15 auto parts...
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