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Re: 1956 400 Ultramatic Transmission Questions
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Home away from home
 
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55
Attach file:  20210226_172327.jpg (298.82 KB)
Posted on: 2021/2/26 20:26
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Riki
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Re: 1956 400 Ultramatic Transmission Questions
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Quite a regular
 
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Quote:
What is the difference between the 55 lever and the 56 lever. The part number on the 55 lever looks to be 470038, and I see 6484069 on the bag in the picture. In the link to the one I saw on ebay, there was a 56 lever listed as part number 6480732. To me, these levers look pretty much the same. NOS 56 Ultramatic Outer Lever 1956 Packard Transmission Outer Lever Here are the pictures of the ones I saw on ebay: Attach file: s-l16001.jpg (373.43 KB) s-l1600.jpg (152.39 KB)
Posted on: 2021/2/26 20:36
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Re: 1956 400 Ultramatic Transmission Questions
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Home away from home
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packardinfo.com/xoops/html/downloads/SC/SC-VOL30NO1.pdf
Page 4 gives a description of the change. Made it to the shop and looked around to find these for comparison. Hopefully this will answer some questions. Attach file:  8015E2B1-B00B-4098-B159-87868E7A1844.jpeg (240.50 KB) 327365EC-CEB2-4A96-8825-B480D5F4812E.jpeg (261.03 KB)
Posted on: 2021/2/26 23:04
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Re: 1956 400 Ultramatic Transmission Questions
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Forum Ambassador
 
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You absolutely need to put at least 7 quarts in before starting the engine. That will be enough so the fluid can start circulating and lubricating various bushings and seals.
Here is a bit from taken from page 51 of the Twin Ultramatic section in the 55-6 service manual. The Packard specified type A fluid is obsolete so use the type fluid recommended by the rebuilder or else use type F or modern Dexron III if nothing else was specified. Attach file: Ultra fill.jpg (153.80 KB)
Posted on: 2021/2/27 16:45
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Howard
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Re: 1956 400 Ultramatic Transmission Questions
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Quite a regular
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Is the one on the left the correct one for the 56? I think mine has the curve in it like that, but the angle of the picture makes it difficult to see. I'll look to make sure on Monday. If mine is not the correct one, would you be interested in selling the correct 56 one?
Posted on: 2021/2/27 22:12
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Re: 1956 400 Ultramatic Transmission Questions
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Home away from home
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Paul.
If your comfortable with pulling convertor off Pour a qt down shaft let it sit over night. So clutch gets oil. If you put 2 qts when the shaft get horizontal. It will pour out. If you don't mind a mess. Let it run. A cork clutch needs oil. Or it will harden and never come back. If it has a GM lining. Who knows...
Posted on: 2021/2/27 22:27
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Riki
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Re: 1956 400 Ultramatic Transmission Questions
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Home away from home
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Andrew,
Take the lever off, post a picture and see what you have. I can sell this one, but remember it is a used one vrs NOS that you have already found. Ask the sellers of the NOS levers to post pictures of it on its side to see if the have the curve. The other thing is the rod length between 55 and 56. I didn’t look for different lengths. That was discussed in the Service Counselor. When you take the lever off, maybe take the rod off or measure its length while you are there.
Posted on: 2021/2/28 11:20
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Re: 1956 400 Ultramatic Transmission Questions
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Quite a regular
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I took a look at the lever today. It is the 470038 part number one, so it must be off a 55. Which service counselor describes the rod length difference of 55 vs 56? Also, which rod is it? Attach file: IMG_2655.jpg (44.31 KB)
Posted on: 2021/3/1 18:17
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Re: 1956 400 Ultramatic Transmission Questions
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Home away from home
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Andrew,
The control rod is the one in the picture you have. It attaches to the lever. The SC 30,1 dated January 1956 does not list a length. I do not know. I was hopping you would measure yours and see what it is. Contact the 2nd eBay seller, Packards1 in your post #32, and see if he has the 56 rod. You also might try Mike Dulinski facebook.com/groups/1380041748944239/user/100008322546113/ And Gerry at Southwest Packard facebook.com/Packards-Southwest-269115816478383/
Posted on: 2021/3/2 8:21
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