Hi,
How far do you have to drive before it happens? Also, if the bleeder on the brake caliper is opened, does the brake release? Has anyone checked the rubber brake hoses which attach to the caliper to confirm they are allowing pressure to return to the master cylinder?
The interesting thing with brake fluid, is it will expand as it heats up. If there is a drag on the brakes to start, slowly the brakes will heat the fluid and it can lead to this happening.
What I suggest is that the front of the vehicle be safely lifted off the ground. Turn the wheels to confirm they are easy to turn and free. Have a helper apply the brakes so the wheel can't be moved. When the helper releases the brake pedal, does the wheel turn easily right away?
Let me know.
Joe
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Wednesday, July 8th, 2020 AT 7:28 PM