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07-18-2021, 07:18 AM | #1 |
Senior Member
Join Date: May 2010
Location: Napanee ontario Canada
Posts: 395
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55 neutral switch
When i start my 55 the shift lever will not stay in the neutral posiotion ..Have to keep moving it up and down to get contact position..Anything i can do appreciated Original aautomatic tranny....
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07-18-2021, 07:31 AM | #2 |
Senior Member
Join Date: May 2010
Location: Lancaster, CA
Posts: 917
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Re: 55 neutral switch
Most probably the detent plate in your column is worn. Let me search my photo archives to see I have a pic or two of what I'm talking about here but the end of your shift lever that sits underneath the steering wheel slides back and forth on a plate that has the positions of the gear selections so that the lever will "stop" in a position such as P, N, etc... The end of that shift lever has a forged end that keeps the lever in the right position after you move the lever to select your gear. I do not think anyone makes that detent plate - but there are many guys here on the forum with parts cars - maybe they can help.
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07-18-2021, 12:28 PM | #3 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,431
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Re: 55 neutral switch
The detents are likely inside the transmission for an automatic of that vintage but I don't know for certain on the 55 models. The switch should be column related and may be worn. A 1955 Ford should have a small case Ford-O-Matic. There could be minor transmission differences depending on whether it has a 223-I6 or a 272-V8. The older Mercury cars that I'm more familiar with just have a shift tube inside the column with an arm keyed to it for the shift rod. The neutral switch on them is adjacent to and operated by the arm at the bottom of the column.
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07-18-2021, 07:04 PM | #4 |
Senior Member
Join Date: May 2010
Location: Granite City, Illinois
Posts: 3,008
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Re: 55 neutral switch
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So in order to start the engine like this, you have to nudge the gear shift lever a little to get the lever to activate the neutral switch contacts. Many years ago, the repro parts suppliers were selling the rubber grommet, nylon insert, washers and cotter pin in a kit for Fordomatics. But I haven't seen them in a long time. That rubber grommet needs to be stout to make the system work properly. |
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