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By stuey - 4 Years Ago
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Hi folks
Under the accelerator pedal in my 56 F100 there is a device that I believe to be a pedal stop.
It has a sprung loaded plunger on top with about 3/8" travel.
Part number 9A858.
What's the purpose of the plunger?
There are no electrical connections.
Thanks
stuey
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By Lord Gaga - 4 Years Ago
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Does it go "Ding-Dong" when you push it?
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By pintoplumber - 4 Years Ago
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Sounds like the kick down cutout switch for overdrive.
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By oldcarmark - 4 Years Ago
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Its called a Detent Stop. Should be adjusted so it just touches Gas Pedal when Carb is fully open. Limits the Pedal Linkage travel.
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By stuey - 4 Years Ago
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Lord Gaga (5/13/2020)
Does it go "Ding-Dong" when you push it?
Funny Ha - Ha.
Nice to see a sense of humour in these trying times.
Actually it does not do anything which is what's so perplexing.
stuey
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By stuey - 4 Years Ago
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pintoplumber (5/13/2020)
Sounds like the kick down cutout switch for overdrive.
Thanks for reply. There are no terminals for wiring connections.
stuey
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By stuey - 4 Years Ago
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oldcarmark (5/13/2020)
Its called a Detent Stop. Should be adjusted so it just touches Gas Pedal when Carb is fully open. Limits the Pedal Linkage travel.
I think you have something.
So should it be adjusted so it touches the gas pedal (carb fully open) with the plunger fully depressed?
The truck came with a Fordo. and it may be a physical indication with something related to its operation?
Many Thanks for all replies.
Stay safe
stuey
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By oldcarmark - 4 Years Ago
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stuey (5/14/2020)
oldcarmark (5/13/2020)
Its called a Detent Stop. Should be adjusted so it just touches Gas Pedal when Carb is fully open. Limits the Pedal Linkage travel. I think you have something. So should it be adjusted so it touches the gas pedal (carb fully open) with the plunger fully depressed? The truck came with a Fordo. and it may be a physical indication with something related to its operation? Many Thanks for all replies. Stay safe stuey
These were only used on Trucks with Automatic Transmissions. I would guess the reason they were used was to prevent damage to the kickdown linkage used only on Automatic Transmissions.
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