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Board index » All Posts (jgrohn)




Re: Twin Ultramatic leaking
#1
Just popping in
Just popping in

jgrohn
Wow, thank you both for the advice. Based on the measurements from the service counselor, and comparing to the photo of the short fill tube, I can see that I have the short dipstick as well as the short fill tube. So the good news is that I do not have a mismatch . Next I will follow Ross' advice to make sure that the level is correct. I think I need to spend more time under the car to really prove to myself where the leak is. I have not driven much because I don't want to cause damage to the transmission.

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Posted on: 6/3 10:53
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Twin Ultramatic leaking
#2
Just popping in
Just popping in

jgrohn
I recently purchased a 1956 Packard Patrician. My biggest issue right now is that the transmission fluid keeps leaking out. I do not have direct contact with the previous owner, however I was told that the transmission was rebuilt three years ago. I thought it was the transmission oil pan gasket, so I replaced that, but it looks like the fluid might be coming from the breather valve up above. My transmission rear seal is also leaking, so I need to replace that at some point. When replacing the transmission fluid we noticed that the dipstick does not go all the way down to the bottom of the tube. So my first question for the forum is, how long is the dipstick supposed to be? Mine is approximately 22 inches from the end to the stop near the top of the tube. Does this look like the correct dipstick? I'm just wondering, is it possible that I'm overfilling the transmission? I am filling the transmission so that it shows the correct level on the dipstick while running. However, while parked a lot of the transmission fluid comes out. If I check the transmission level while running after being parked it just touches the bottom of the dipstick. With the fluid at that level, the transmission still shifts through all the gears, however it makes a bit of a grinding noise when shifting to third. Thanks for any help.
-John

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Posted on: 6/3 8:34
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