If it releases with the bleeder check that the flex hose isn't twisted, if it's not, replace it as it likely failed internally and is now acting like a check valve. Be sure to use a flare nut wrench on the brake line fitting. They can be stubborn. You should be able to reuse the copper washers on the banjo bolt as they haven't been on there long.
Images (Click to make bigger)
Tuesday, February 28th, 2023 AT 12:21 PM