My 1999.5 mk4 TDI Jetta has had an intermittent dragging brake (passenger front), and I found I couldn't fully retract the piston in the caliper with a C clamp. Today I installed a new caliper & rubber line, thinking that would take care of it.
When I went to bleed it, I was not able to get any fluid (or air) to come down from the master cylinder at all. Barely any came out when I removed the old rubber line either. When trying to bleed, there's no air or fluid pressure no matter how much you pump.
When pumping the brake, I can hear gurgling from the master cylinder, and the fluid level doesn't go down. It seems like air got trapped in the master somehow, even though I'm certain it never ran out of fluid.
Also, after disconnecting the old caliper & line, I was able to retract the piston no problem, leading me to believe the issue was in the master cylinder to begin with.
Has anyone else had a brake issue like this?
When I went to bleed it, I was not able to get any fluid (or air) to come down from the master cylinder at all. Barely any came out when I removed the old rubber line either. When trying to bleed, there's no air or fluid pressure no matter how much you pump.
When pumping the brake, I can hear gurgling from the master cylinder, and the fluid level doesn't go down. It seems like air got trapped in the master somehow, even though I'm certain it never ran out of fluid.
Also, after disconnecting the old caliper & line, I was able to retract the piston no problem, leading me to believe the issue was in the master cylinder to begin with.
Has anyone else had a brake issue like this?