Re: Are Packard Transmissions Supposed To Leak Oil???

Posted by JT120 On 2015/8/17 12:36:44

Before checking levels in both the transmission and the OD you should run the motor a few minutes to allow any oil that may have drained down from the OD into the transmission to be replenished to the proper level in the OD.
At that point you can pull plug on trans to see if it is too high and check OD level at OD fill plug.
There are times after the car sits for a while that the oil level could drop some in the OD and "overfill" the transmission. This is self corrected after the motor runs.
If you fill the trans first and put the plug back in before filling OD you could end up overfilling trans.