Helloooooo?
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| Converter noise? https://slantsix.org/forum/viewtopic.php?t=30295 |
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| Author: | sixaddict [ Wed Jul 30, 2008 6:00 pm ] |
| Post subject: | Converter noise? |
Hi all, in my 69 Dart (stock, slant six/auto), if I idle for a while I get a whirring noise. Also hear it sometimes at the shift points (a little angrier sounding) under full throttle before the shift. Fluid is sweet & cherry red, no slippage. Thoughts? Thanks! ~Scott in TX |
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| Author: | sixaddict [ Fri Aug 01, 2008 7:26 pm ] |
| Post subject: | |
Helloooooo?
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| Author: | Joshie225 [ Fri Aug 01, 2008 8:10 pm ] |
| Post subject: | |
The torque converter could be making noise I suppose. The converter has a pump (which is attached to the converter shell), stator, overrunning clutch and turbine. The clutch holds the stator still (holds against the reaction shaft which is attached to the transmission pump support) when the torque converter is multiplying torque, but then allows the stator to freewheel when the turbine speed gets close to the pump speed. If the clutch isn't holding the stall speed will be low and acceleration will be poor. The planetary gears can also make noise when in first or second. If they are making noise it will likely be different in each gear and disappear and high. The torque converter noise should happen in every gear. I found this page by searching for "torque converter noises". |
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| Author: | sixaddict [ Fri Aug 01, 2008 8:16 pm ] |
| Post subject: | |
Thanks man, I do appreciate it! ~Scott in TX |
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| Author: | sixaddict [ Sun Sep 13, 2009 5:30 am ] |
| Post subject: | |
UPDATE - A year later, still going strong, still shifting perfectly, strong accelleration, no vibration, no leaks, fluid still cherry red. A few thousand more miles on it. Still getting the noise. No worse. Have searched & read lots on the site but haven't found "my" noise... If it idles at just the right speed, I get a grrrring moaning growl that goes away if you blip the throttle, then comes back. Sounds like a moving part, whirring, not just a sympathetic vibration. It's loud when it happens. 90% of the time it happens only at idle, warm or cold. About to pull the great drivetrain out of this beater to put in something else, would like to take care of it then. More ideas? Thanks! ~Scott in TX PS Post number 43 - all hail King Richard! |
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