Originally posted by HoosierContour:
Insert the cone into the housing and take a punch an tap the 5 horizontal indentations around the housing. This will move the aluminum enough to hold the cone in.
Doesn't work, buy the Ford OE pump. I set mine back in with about 15 punches and it came right back out ~6 months later. Don't ask how, I have no clue. The punches were good enough that the aluminum from the housing actually overlayed the cone.