The fins on the pumpkin are the problem. I'll tell you what I did
just this morning to get my differential fill plug out.
Take a 1/2" combo wrench and use the open end on the square plug. But when you put it on, put it straight out toward the front of the car. Not like you'd normally use the wrench, but straight onto the top of the fill plug, just as if you were going to insert it into the fill hole. Then use a screwdriver in the closed-end part of the wrench to make a "T" out it. Just turn the "T" to turn the fill plug straight out.
I just replaced my pinion seal. You can see what I am doing in an "under construction" page
-here-.
This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=11443