Re: 23rd Series Ultramatic Seals
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Check if you can even remove the selector shaft with the trans in the car: is the frame in the way? It is on the V8 cars but I don't remember on the earlier ones.
Yes the parts will have to be loosened but no big deal. Take some pictures and just throw it back together as it was. Probably obvious to say that you should bottom the set screw, then set the jam nut. Side note, I was talking to a guy at Hershey today who had his transmission serviced by some random shop. The idiot mechanic tried to remove the set screw without first loosening the jam nut and actually broke the driven end of the set screw. Then when he reinstalled the set screw, somehow also stripped the bore. Not sure how that happened when it was already too broken to drive with a screwdriver, but oh well. In my opinion about 10 seconds of careful observation and an average dose of common sense would tell someone how to RNR a darned setscrew properly... The throttle valve looks OK but the book tells you how to set it if you would like to check. What did you do to get that part so clean?
Posted on: 10/9 21:53
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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Re: 23rd Series Ultramatic Seals
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Thanks, HPH! Been following your replies on similar threads on this topic on here, too. So, the manual lists this seal under "Oil leaks. (Leaks that do not require the removal of the transmission to correct.)" There is indeed a little access hole in the frame that grants easy access to the neutral safety switch. The lever is right next to the switch, so I assume it'll also use that access hole. The manual just describes the removal as "The control valve cross shaft and lever may be removed by removing the lock bolt on the inner lever and slipping the shaft from the case." I unscrewed that first screw on the left last night, but the shaft didn't move (all still seemed clamped together). Might just need some gentle persuasion?
Sounds good on the throttle valve. Just looked sort of goofy to me, like the lever is wedged between the throttle valve plunger and the stop. There don't appear to be any pictures of this in the manual, just thought it looked odd. Cleaning for me on these cast parts is brake clean, flathead screw driver to scrape of the really heavy stuff, wire brush and mix of different brass wire wheels on a corded drill (occasionally switch to a Dremel for tight spaces). I use 0000 steel wool on smooth/finished surfaces. This one turned pretty well! I'm going to see if I can replace the breather with something modern. Screw appears to be 7/16-20, and not NPT (which is annoying, because all of the breathers on McMaster, for example, use an NPT thread).
Posted on: 10/9 22:32
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Joe B.
Greenville, NC 1950 Super Deluxe Eight Touring Sedan, Model 2302-5 327 w/ Ultramatic, 6v+ |
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Re: 23rd Series Ultramatic Seals
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I too have been on this seal replacement adventure!
On my 53 Cavalier I can not remove the selector control shaft without removing the transmission. But I got brave one day and decided I could get the seal out anyway, which I did and got a new seal in, but there is a bit of damage on the shaft so the leak is about the same. I replaced seals on the low and reverse band adjusters as they were weeping a bit. This is an easy fix. I replaced the tail shaft seal when I had the propeller shaft off to rebuild the ball and trunnion universal, easy to replace this seal. The little seal on the throttle valve shaft was not too hard to remove and replace without removing the shaft. But I've decided to pull the transmission when I park the car for the winter. Then over the winter I'm going to clean and check everything, and put a rebuild kit in it. This will give me a good opportunity to take care of those pesky leaks along with making sure my transmission is in tip top shape. Rebuilding the transmission will be a new adventure for me! My car has provided me with many adventures, but I love working on it as much as driving it!
Posted on: 10/9 23:54
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Re: 23rd Series Ultramatic Seals
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Quote:
But by the time to get to this part in the manual it's already asked you to loosen the selector detent and manual valve arm. Those should then slide easily on the rod if you twist the rod a bit in and out. Once that is done, you can try to remove the outer lever. It comes off the same way but is sometimes stuck with grime. Reattach the selector detent to gain some leverage if needed. Don't use the manual valve arm as it is weaker.
Posted on: 10/10 6:55
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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Re: 23rd Series Ultramatic Seals
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I got the shaft to move freely, but the outer lever hits the frame. With the lever removed, the shaft would definitely just slide right out. So my challenge the moment is - are the lever and shaft assemblies two different pieces (the parts book lists it as a single assembly), and if so, how are they fitted together?
Posted on: 10/10 9:51
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Joe B.
Greenville, NC 1950 Super Deluxe Eight Touring Sedan, Model 2302-5 327 w/ Ultramatic, 6v+ |
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Re: 23rd Series Ultramatic Seals
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Posted on: 10/10 10:07
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Re: 23rd Series Ultramatic Seals
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Only the very early Ultras had the one piece shaft. However it's possible you have that since it's a 23rd series car.
The typical construction is shown here: packardinfo.com/xoops/html/modules/parts ... &PlateNumber=142&cat=9#resultanchor Edit: took a closer look at your photo and it appears you do have the one piece shaft unfortunately. Next week I can see if I have one somewhere to tell if or how it is disassembleable.
Posted on: 10/10 20:08
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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Re: 23rd Series Ultramatic Seals
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Yeahhh, I think you're right. Just makes it to this window in the frame to taunt you. Went back in the topic history, definitely far from the first one to hit this road block. Bummer. I really appreciate y'all jumping in, though.
I wonder still if the hole in the frame can be expanded, or if the later version (but still within the 23rd series) with the clamp-on the lever is compatible with with my transmission, that is, are lock screws for the control valve and selector detent in the exact same location.
Posted on: 10/10 23:25
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Joe B.
Greenville, NC 1950 Super Deluxe Eight Touring Sedan, Model 2302-5 327 w/ Ultramatic, 6v+ |
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Re: 23rd Series Ultramatic Seals
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Probably, but there were a few things swapped around. Not sure how much of this list would need changed.
list I would just drop the trans at this point.
Posted on: 10/11 13:32
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry Email (Parts/service inquiries only, please. Post all questions on the forum.) service@ultramatic.info |
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