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Discussion Topic:
'46 Knob Replacements
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Ritzy1 |
09-24-2018 @ 10:32 AM
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Member
Posts: 46
Joined: Sep 2014
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Second what Tom said. Once you find and remove that clip from behind the dash, the whole assembly should pull through the firewall and then the dash. I used a hacksaw to just cut through each end of the rubber joint so that I could pry it off the shafts. Since my car won't be judged, I found some 1/16" dia. slotted spring pins from McMaster-Carr that matched the width of the metal part of the replacement joint. I drilled a similar size hole through each end of the new rubber joint and each rod to secure them together. However you decide to put the new joint in, I'd suggest you put the new firewall grommet over the rod before securing the rubber joint. Once I had the assembly together and reattached to the carb(s), I tapped on the new knob so that the C was properly oriented, no need for glue on mine. Good luck with it! Dave
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46coupe |
09-22-2018 @ 4:56 PM
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Member
Posts: 271
Joined: Oct 2015
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Thanks again Tom. This was a big help. Should be easy enough to follow and I'll order the clip and grommet tomorrow.
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TomO |
09-22-2018 @ 11:18 AM
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Senior
Posts: 7256
Joined: Oct 2009
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I don't think that you understand what I have said in my past posts. I'll try to answer your questions here and hope that you understand my answers. The clip at the panel seems to be broken as it is not holding the outer casing. With the casing free, the cable should just pull out of the knob? ANSWER: With the clip removed and the casing free the knob, cable, casing and attached rod will all pull out as an assembly through the dash into the passenger compartment. If not then the knob needs to be heated, right? ANSWER : The knob can be heated to soften it and then pulled off of the cable. or Assuming the knob is removed, the correct clip has been received, I should be able to put the cable through the clip, through the dash and into the knob. Correct? ANSWER: You cannot pull the cable through the clip, the clip prevents the casing from moving. You do not need to remove the knob to pull the cable assembly through the dash into the passenger compartment. I do have the cable working at this time if I hold the casing. Saying that, the connector that holds the rods together, was it originally rubber or a bakelite type of material? ANSWER: the original flexible joint was rubber. It likely had become very hard over the years. I'm asking since the "rubber" firewall grommet shattered when I tried to remove it. Lastly do you know a source where I can get the dash retainer clip? I can try Drakes, Macs or Carpenter, unless you know of a better source. ANSWER: The clip P/N is 91A-9718-B. Bob Drake has the clip by itself, other vendors may have them also. As far as younger people are concerned they're scarce around here. I live in a retirement area. Again I just want to thank you and the other members for your help. Most people I run into at car shows only do hot rods and some have never seen or heard of a flat head. My 2 regions are too far away for any help. I'm just thankful we have the technology to have this forum and a lot of experts that can help. ANSWER: You are welcome and I hope that my answers help you. Good Luck. Tom
This message was edited by TomO on 9-22-18 @ 11:21 AM
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46coupe |
09-20-2018 @ 11:16 AM
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Member
Posts: 271
Joined: Oct 2015
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The clip at the panel seems to be broken as it is not holding the outer casing. With the casing free, the cable should just pull out of the knob? If not then the knob needs to be heated, right? Assuming the knob is removed, the correct clip has been received, I should be able to put the cable through the clip, through the dash and into the knob. Correct? I do have the cable working at this time if I hold the casing. Saying that, the connector that holds the rods together, was it originally rubber or a bakelite type of material? I'm asking since the "rubber" firewall grommet shattered when I tried to remove it. Lastly do you know a source where I can get the dash retainer clip? I can try Drakes, Macs or Carpenter, unless you know of a better source. As far as younger people are concerned they're scarce around here. I live in a retirement area. Again I just want to thank you and the other members for your help. Most people I run into at car shows only do hot rods and some have never seen or heard of a flat head. My 2 regions are too far away for any help. I'm just thankful we have the technology to have this forum and a lot of experts that can help.
This message was edited by 46coupe on 9-21-18 @ 9:11 AM
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TomO |
09-20-2018 @ 7:20 AM
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Senior
Posts: 7256
Joined: Oct 2009
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To remove the cable and rod assembly, just remove the clip at the instrument panel. You should NOT try to remove the rod that is part of the cable assembly. It is welded to the cable wire. The casing, wire and rod are removed as an assembly. These assemblies are NOT reproduced and good used ones are very difficult to find, so be careful. If you don't have a young assistant that can bend enough to see the clip, you can remove the front seat and that will allow you more room and less bending to get at the clip that holds the assembly in place. Use a good portable light to give you plenty of light under the dash.
Tom
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46coupe |
09-19-2018 @ 8:56 AM
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Member
Posts: 271
Joined: Oct 2015
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Hi Tom, There are 2 rods with the rubber connection connecting them. It looks like the cable fastens to the rod closest to the firewall. I removed the clip by the firewall that keeps the cable from flexing. I guess the question is how to remove the cable from the rod? If I can do that then the whole thing will come out of the dash? The other problem is the broken clip on the back side of the dash that kept the cable from flexing under the dash. Is there a way to take a new clip (retainer) and fasten it to the dash? I can't get anywhere to see it. Possibly the clip snaps into a recess or hole to fasten it? I really appreciate your previous post. It helped with a lot of questions. Here's the update: The two short rods were connected by a rubber hose which has turned into "Bakelite". What I thought was a second rod is actually the rod fastened to the wire inside the cable covering. I can't tell how it's fastened yet but it is larger in diameter than the casing so the wire can not be pulled out through the dash. Do you know how I might remove this piece without messing something up? Once the knob and wire are clear of the dash maybe I can get the retainer clip installed and then slide the wire through the casing and complete assembly. Does this sound like something that will work? Thanks
This message was edited by 46coupe on 9-19-18 @ 1:04 PM
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TomO |
09-19-2018 @ 8:05 AM
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Senior
Posts: 7256
Joined: Oct 2009
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I have tried to find a good illustration of the choke and throttle cable configuration for the 41-48 cars without success. In 1940 Ford used rods from the dash to the carburetor. In 1941 Ford changed from rods to cables, rod combination. Your 46 uses the same confiuration. The cable part goes from the instrument panel through the firewall into the engine compartment. There is a rubber joint in the engine compartment that connects the cable end with the rod and the rod connects to the carburetor. There is a clamp at the firewall on the engine side to keep the cable assembly from moving when you operate the choke or throttle. There is no need to remove the knobs to get the cables out of the car. Just pull the clip and the cable assembly comes out through the instrument panel.
Tom
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trjford8 |
09-19-2018 @ 6:45 AM
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Senior
Posts: 4220
Joined: Oct 2009
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I have heated the metal shaft and the pulled off the knob. it will slip off fairly easy, but be sure to wear gloves. I pull the wire cable out of the housing and put the shaft in a vice. Then heat the cable shaft and pull off the knob. It may leave a little residue but that can be removed with a wire brush or wire wheel on your bench grinder. You can install the new knob by warming up the shaft again and pushing on the new knob. This is a little tricky as you do not want to get the shaft too hot.
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trjford8 |
09-19-2018 @ 6:45 AM
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Senior
Posts: 4220
Joined: Oct 2009
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I have heated the metal shaft and the pulled off the knob. it will slip off fairly easy, but be sure to wear gloves. I pull the wire cable out of the housing and put the shaft in a vice. Then heat the cable shaft and pull off the knob. It may leave a little residue but that can be removed with a wire brush or wire wheel on your bench grinder. You can install the new knob by warming up the shaft again and pushing on the new knob. This is a little tricky as you do not want to get the shaft too hot.
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hannaboy@pacbell.net |
09-18-2018 @ 7:26 PM
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Member
Posts: 21
Joined: Sep 2017
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I also need to replace the hood release knob... Besides replacing the whole cable assembly.. how can I replace the knob? I have NOT tried to heat the knob.. I imagine it would just leave a nasty bulbous residue that won't let me slip a replacement onto.
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