Ultramatic tester?
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Just can't stay away
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You guys think this was for Packard only? Why would a shop need a special tool JUST for an ultramatic? Wouldn't a transmission shop have a pressure tester that would work on all automatic transmissions of the era?
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Posted on: 2014/4/15 19:27
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Re: Ultramatic tester?
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Home away from home
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Were the other transmissions of that era as dependent on hydraulic pressure as the Ultramatic?
Posted on: 2014/4/15 19:59
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Re: Ultramatic tester?
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Forum Ambassador
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Quote:
Good question. 54 Cadillac manual has a whole page of Hydramatic pressures for various axle ratios and speeds and shift points but only show a single gauge as their tool -- not the 3 gang. Whether that is due to not being as reliant on pressures and combinations or just that their mechanics could do them one at a time because of easier access is unknown. With Packard you had to hook up a couple of places inside the pan using the special pan extension. Perhaps the 3 gang is as much for convenience so as not to drain the oil and drop the pan each time a new pressure was needed.
Posted on: 2014/4/15 20:40
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Howard
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