weird noise C6
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Freshman User
Joined: Jul 2002
Posts: 34
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From: Ridgecrest
weird noise C6
Hi all. I was wondering if any one could help me diagnos a whistling sound eminating from my C6 tranny. Its in a 65 f100 w/390. When the tranny shifts from 1st to 2nd it hestitates (2-4 seconds) then makes a quick whistling sound as it shifts. Any ideas at what I should be looking for would be great. I've never found a better resource than this site. You guys are great and really know your stuff. Thanks everyone. Jay
Postmaster
Joined: Nov 2001
Posts: 3,351
Likes: 1
From: Escondido, CA
weird noise C6
Vacum leak from the tube running to the back left side of the tranny. I am having a brain fart remembering th eexact part name. But it uses the engine vacum to control the shift points, oh I remember the vacum modual LOL, but if that has a hole or a rip in it that will make a whistle.
Postmaster
Joined: Jan 2003
Posts: 3,775
Likes: 2
From: Conway Arkansas
weird noise C6
Yup,
Vacuume Module... Even if you have to replace the module they are cheap.
And rubber hose to connect the module to the steel line (if you have steel line ran like I do) the rubber line is cheap.
Vacuume Module... Even if you have to replace the module they are cheap.
And rubber hose to connect the module to the steel line (if you have steel line ran like I do) the rubber line is cheap.
Senior User
Joined: Jul 2003
Posts: 255
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From: Dallas/Fort Worth
weird noise C6
I had the membrane in one of those give out one time... I don't remember a whistle, but it made it self known right off by the big-time bug-truck like cloud of ATF smoke trailing behind...
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d3w
1983 - 2012 Ranger & B-Series
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Dec 10, 2004 04:04 AM
