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C6 issue. What is the source of...

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Old Sep 2, 2016 | 12:39 PM
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C6 issue. What is the source of...

The video below IS NOT my truck, though my truck makes the same sound.
Mine isn't nearly as loud as the truck in the video at idle, but gets much louder when under load at about 1700-1900 rpm. If you take it easy accelerating it doesn't get any louder than at idle. At cruising speed in third it isn't audible.
The trans in my truck is a 1979 C6.
Again, not my video. Same noise though.

 
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Old Sep 2, 2016 | 02:17 PM
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Sounds like the bands need to be adjusted
 
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Old Sep 2, 2016 | 10:09 PM
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Originally Posted by bbf385
The video below IS NOT my truck, though my truck makes the same sound.
Mine isn't nearly as loud as the truck in the video at idle, but gets much louder when under load at about 1700-1900 rpm. If you take it easy accelerating it doesn't get any louder than at idle. At cruising speed in third it isn't audible.
The trans in my truck is a 1979 C6.
Again, not my video. Same noise though.
That noise is consistent with a failed pump and or converter.
 
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