Re: Ultramatic

Posted by Tim Cole On 2013/10/10 17:00:32

Hey Willis:

Lock out quality varies in the Ultramatic but if Direct Drive is not engaging the fluid should be overheating as well. Thus, verify fluid level and condition before testing. If it is burnt smelling there is a problem.

The best way to verify lock up is with gauges. If you take the appropriate pages out of the manual and go to a trans shop they can hook up a gauge and check the Direct Drive line pressure.

The lugging suggestion is good as is the light throttle check. Direct should be engaged by 56 mph regardless of throttle, and if the car labors above this speed the pressures should be checked.