kickdown linkage
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Mountain Pass
Joined: Apr 2005
Posts: 152
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From: Twin Cities
kickdown linkage
Ok, I started installing my floor shifter on my 66 F100 with the C-4 transmission.
Everything was pretty much going fine, until, when I disconnected the kickdown rod at the transmission, the circlip where it connects at the top popped loose, and the whole rod came loose. (of course the circlip fell god knows where...)
Now that I'm looking at this, I have a couple questions.
1. Is the kickdown rod needed? I've read a couple different opinons on this, but many say it's not.
2. How exactly does it work? The spring up by the carb where it attaches doesn't really seem to do much of anything. I seriously wonder if mine has ever even worked properly. I've never had much passing power.
3. In what position is it supposed to be when sitting in park, with no pressure on the gas pedal? Mine seems to be about 1/4 in out from the adjuster screw hitting the metal piece.
Thanks again in advance!
Everything was pretty much going fine, until, when I disconnected the kickdown rod at the transmission, the circlip where it connects at the top popped loose, and the whole rod came loose. (of course the circlip fell god knows where...)
Now that I'm looking at this, I have a couple questions.
1. Is the kickdown rod needed? I've read a couple different opinons on this, but many say it's not.
2. How exactly does it work? The spring up by the carb where it attaches doesn't really seem to do much of anything. I seriously wonder if mine has ever even worked properly. I've never had much passing power.
3. In what position is it supposed to be when sitting in park, with no pressure on the gas pedal? Mine seems to be about 1/4 in out from the adjuster screw hitting the metal piece.
Thanks again in advance!
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Kick down, is a street name, Bill probably can give you the proper name is a connecting rod that kicks the transmission from high gear back to second when the gas peddle is mashed hard. That is why it is called passing gear.
Can you run without one, yes, but they are nice when working and working properly.
BTW: Car truck should be the same, and you can buy new C clips.
John
Can you run without one, yes, but they are nice when working and working properly.
BTW: Car truck should be the same, and you can buy new C clips.
John
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Mountain Pass
Joined: Apr 2005
Posts: 152
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From: Twin Cities
I think, but am not positive, that it's called the downshift linkage, or downshift rod.
I wasn't too concerned about getting a new circlip. That'll be easy. My concern is whether I can get it properly adjusted. When I hook it up after being completely off (which was not my intention to remove the whole rod), it has significant tension on the spring - to the point where it's about halfway through it's range, just sitting there in park. I'm wondering what the correct position of that spring should be. I would think it should have little tension on it while sitting there, and that the tension should come when the downshift actuates. Is this correct?
I wasn't too concerned about getting a new circlip. That'll be easy. My concern is whether I can get it properly adjusted. When I hook it up after being completely off (which was not my intention to remove the whole rod), it has significant tension on the spring - to the point where it's about halfway through it's range, just sitting there in park. I'm wondering what the correct position of that spring should be. I would think it should have little tension on it while sitting there, and that the tension should come when the downshift actuates. Is this correct?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Originally Posted by discochris
I think, but am not positive, that it's called the downshift linkage, or downshift rod.
THE CORRECT FORD NOMENCLATURE IS....uh.... KICK-DOWN ROD.
THE CORRECT FORD NOMENCLATURE IS....uh.... KICK-DOWN ROD.
No kick-down rod = no passing gear.
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Mountain Pass
Joined: Apr 2005
Posts: 152
Likes: 0
From: Twin Cities
Thanks! Any inkling on how this should be adjusted? Both the Detroit Iron CD and Chilton manual talk about setting it with a feeler gauge, but when it's hooked up now, as I said, it's pulling about halfway on the spring. Can that be right?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Originally Posted by discochris
Thanks! Any inkling on how this should be adjusted? Both the Detroit Iron CD and Chilton manual talk about setting it with a feeler gauge, but when it's hooked up now, as I said, it's pulling about halfway on the spring. Can that be right?
You can get original and reprints of the Ford shop manuals from faxonautolit.com.
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