Re: Ultramatic Rebuild
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Before you rebuild a transmission, I would offer a suggestion. The ultramatic in my 53 Cavalier would sometimes slip on low speed acceleration. I tried changing the fluid and cleaning the pan and valve bodies. I was also contemplating a rebuild but a mechanic/collector friend suggested that I try a transmission additive. He referred to such additives as "magic potions". His comment was that these don't always work but if they do, it can save you a lot of work and expense. I tried a transmission additive from the CD-2 brand. It worked like a champ. In fact, my ultramatic has never performed better. That was four years ago and I have never added any more but the tranny still performs as it should. Not saying that this will solve your particular problem but for about $7, what do you have to lose.
Posted on: Today 10:16
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Re: Ultramatic Rebuild
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Thanks Ross, it is a transmission problem and I had avoided saying the transmission was slipping as it doesn't happen all the time, which I would have thought it would. But maybe clutch disks are getting worn enough that they are just started to fail in the right conditions. The engine does "race" momentarily and this is under load during acceleration and only when everything is well warmed up, like after an hour of driving. Let off a bit and it seems to catch and be fine. Maybe it's worn clutch disks, or maybe not enough pressure on the DD? For the most part I'm not to inclined to figure out exactly what is going on, as I suspect the transmission has never been touched, but rather to rebuild my parts car's Ultramatic and put it in. At least I know what I'm dealing with if I have problems in the future.
Posted on: Today 10:27
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Re: Ultramatic Rebuild
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One thing I've learned in life is that when somebody says "I hope to not sound too rude" they are about to be rude and that is there intention. So then I do what you could have done, which is go on to the next post.
Posted on: Today 10:39
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Re: Ultramatic Rebuild
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Quite a regular
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If, ultimately, you determine a trans rebuild is necessary, I can confidently recommend Fatsco.net. Their service is great and they can reline your direct drive clutch disc. Their business IS transmission parts.
Posted on: Today 11:14
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Re: Ultramatic Rebuild
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Thanks for the suggestion! Generally not a believer in additives, but I don't think it would hurt to try! I did try Lucas transmission fix as an experiment, but it didn't "fix" it. Do you remember if it was specifically a transmission additive? Looking online and I can find Engine Stop Leak and an Oil Detergent by CD-2, but not a product specifically for transmissions.
Posted on: Today 11:20
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Re: Ultramatic Rebuild
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Perfect, I'll check them out!
Posted on: Today 11:26
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Re: Ultramatic Rebuild
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Don't worry, you won't hear any more "rude remarks" from me. Good luck.
Posted on: Today 11:49
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