View topic - Help Requested Diagnosing a '55 Starting Issue

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The purpose of the National DeSoto Club, Inc. (NDC), is to encourage the preservation, restoration and promotion of all De Soto automobiles, as well as to promote fellowship and the exchange of knowledge among all fellow members. Furthermore, the study, compilation of data, summary of information, and preservation of literature related to De Soto automobiles is encouraged. The NDC’s message board is open to all. The NDC’s Trustees and members are NOT responsible for the accuracy of any of the information posted to this message board. The NDC’s web-master may, at his/her discretion, remove any message that is deemed to be offensive, and deny posting privileges to the person who posted the offensive message.



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PostPosted: Sun Jul 08, 2018 10:40 pm 
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Joined: Mon Aug 09, 2010 6:43 pm
Posts: 927
Hello Fellow Members,

As the '55 model year coordinator, I received an inquiry from a fellow '55 owner with a starting issue. He believed the problem was a bad starter relay so I shipped him a used unit - condition unknown - with plans to pay a set price if it worked. This is the relay never manufactured in the aftermarket so new units are difficult to find and expensive when located. The used unit made no difference so the problem is likely elsewhere, and I suspect a bad starter solenoid. I'm at best a shade-tree mechanic so asking for input and suggestions here. Following is a summary of the problem:

"The car has a new battery and the starter has been rebuilt. When the key is turned to start position the starter engages but will not disengage until the battery cable is disconnected."

Thanks in advance for your feedback and suggestions.

Mark K.


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PostPosted: Mon Jul 09, 2018 12:00 pm 
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Joined: Thu Aug 26, 2010 7:00 pm
Posts: 403
Hmmm, rebuilt starter? Sounds like a weak starter. This may sound counter-intuitive, but a weak starter often won't disengage.

Good luck
Steve


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PostPosted: Mon Jul 09, 2018 9:18 pm 
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Joined: Fri Jun 10, 2011 8:52 pm
Posts: 123
Mark,
Here is agood example as to why it was a good idea to move the NDC library in with the De Soto Adventures editorial office here in Mason, Ohio.
I have attached three (pertinent) pages from the library's 1954-1955 De Soto Shop Manual.
I will also attach them to a personal email to you.

Geoff


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PostPosted: Tue Jul 10, 2018 1:36 am 
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Joined: Mon Jun 03, 2013 10:01 am
Posts: 245
Relevant text from shop manual:


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PostPosted: Tue Jul 10, 2018 2:28 am 
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Joined: Mon Aug 09, 2010 6:43 pm
Posts: 927
Thanks Geoff and Ron! I've got the same manual but never gave it a thought to crack the cover. Appreciate the quick and detailed response.

Mark


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