I can throw this out there . Under warranty dealer replaced calipers and rotors , brake pads.
Still had a squeak (30,000 MILES ).Under warranty dealer replaced drive shaft rear axle .Still had a squeak (50,000 miles ). Had my shop manager listen to squeak .Yup you need non copper (ceramic...
So sorry for your loss ,been there .The day after we put DAD in the ground. I jumped on my harley and rode to SOUTH DAKOTA. It was 80 degrees and sunny. I talked to dad and cleared my mind. I left out at 8am. from LAKE STATION ,INDIANA at 4 pm. that evening I was 20 miles from SOUTH DAKOTA state...
David , it sounds like your service manager sucks.
Here is a good one, I tell him the issues and he orders the parts for the repairs. He has been great since I purchased mine in 2019.
GREIGERS JEEP VALPARAISO,IND. - JOE LUCIANO -219-312-5085
GOOD LUCK with your repairs