2012 Chrysler Town and Country.

2012-chrysler-town-and-country-wiper-motor-location-diagram
Our windshield wiper motor stopped working and we figured out that its because the e-clip that holds the motor in place was broken. However we’ve been trying to put on a new e-clip with no luck as they keep breaking. Is there an easy way to do this or are we using the wrong size (3/8 clip)?