Re: Twin Ultramatic Shifting

Posted by BH On 2008/5/23 9:01:44
PackardV8 -

At times, when driving in the "D" range in one of my Patricians, which is equipped with pushbutton selector, the high range clutch would not always engage, following the release of the low band - causing a little "flare" in engine RPM. Yet, if I back off the gas pedal first and then punch the "H" button - whoop, there it is (high range engaged).

Later, when researching Studebaker bulletins on Packards, an article on "Adjusting Actuator-to-Transmission Control Valve Detent" in Studebaker Service Bulletin #338 caught my eye, but before I could dig into that, I landed a Carib Hardtop (no problem with flare on that one). I'm looking to pickup where I left off with that old Pat, but I wanna carefully check all other adjustments before diving in on that bulletin.

Meanwhile, your suggestion to:

Quote:
push the N button before pushing the D button. Give it about 3 to 5 seconds between button pushes

...rings a bell and may fit the scenario of that bulletin, as well.

Another thought I've had in this regard is that the braking action in the actuator motor may need attention. I'm thinking of that as a last resort, but the Autolite service manual, available for download from this site, seems to cover that procedure quite well.

This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=7604