I finally got it. This morning I placed the tool on the new part and I could see the recessed area as it approached the "ring". I wasn't pushing the tool in deep enough.

Thank you for helping!


1946 Chevy Half Ton
('56 235, '86 T5, '79 Camaro Z28 rear end, working on the '85 Jaguar XJ6 IFS)
1976 Margay Panther X, MC91B