Hey guys,
i know you all have probably seen a million of these "brake problem" posts but please oblige me as I've been doing a good amount of research and can't seem to get this right.
I've got a '90 C1500 that had been sitting for years and had to replace almost the entire braking system to get it road-worthy. Replaced all metal lines, front two rubber lines, front calipers and pads (old pads were 2mm thick and peeling off), and some rear drum hardware. Rear pads seems good. The brakes DO stop the vehicle, but there is lots of brake travel. I've also adjusted the rear drums, they were dragging when I first got the truck. My guess is that the master cylinder is leaking? When you depress the brakes quickly, the fluid in the reservoir gurgles and pops. Is this normal? Could it be a sign of a leaky master cylinder?
[EDIT] Forgot to mention, have bled all four brakes multiple times.
Thanks,
Alex