transmission went out after haven it for a year and they won't help never get a vehicle from there

They took my Chevrolet car to run the errors, I explained my concern and gave high detail on the issue, they claimed they found the issue and charged me for labor and parts, guaranteeing that it'd fix

I purchased my car from Foster Chevy. It is now out of warranty, so all issues are paid in cash. Years ago they charged me for a repair, which did not fix the issue. They wanted to charge me the compu