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1955 Desoto Powerflite Noises
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   Forward Look Technical Discussions -> Transmission and Rear AxleMessage format
 
ronbo97
Posted 2018-08-26 9:16 AM (#569027)
Subject: 1955 Desoto Powerflite Noises


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Location: Connecticut

When the 55 Desoto is in neutral, there is a distinct wrrrrrrr-ing sound. Very audible..

When shifting into drive, car sounds fine. Then I shift back into neutral and the wrrrrr-ing sound is back.

Shifting into reverse, the wrrr-ing sound is gone, but now I'm hearing a hissing sound. Also quite audible.

Any idea what is causing these noises ?

Ron

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Shep
Posted 2018-08-27 7:15 AM (#569084 - in reply to #569027)
Subject: Re: 1955 Desoto Powerflite Noises



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Location: Chestertown, NY ( near Lake George)
Trans full?,hot, cold, can you pin the area down for better info?
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57chizler
Posted 2018-08-27 2:20 PM (#569100 - in reply to #569027)
Subject: RE: 1955 Desoto Powerflite Noises



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Not sure about the PF, but on some newer transmissions, similar sounds are caused by a rapidly cycling pressure regulator valve. The sound is variously described as a whine, buzz, moan, etc. This is more of an annoyance than a real problem.

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