Make sure the surfaces are clean and that you have a copper sealing washer on both sides of the banjo fitting. Also look for any irregularities in the sealing surfaces on both the caliper, bolt and fitting. Also, clean and lubricate the slides #2 on the diagrams below.
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to enlarge)
Dec 10, 2022 at 11:59 AM