brake problems

somehow air is getting into my brake lines? ive bleed the system and the brakes will stop a train for about a month - 6 weeks, and then they will suddenly be full or air and need bleeding again - the brake fluid remains full and it is an instant thing rather than air gradually building up in the lines. its happened twice now and im confused, any ideas?
car is a 156 v6

Originally Posted by jamietinks

somehow air is getting into my brake lines? ive bleed the system and the brakes will stop a train for about a month - 6 weeks, and then they will suddenly be full or air and need bleeding again - the brake fluid remains full and it is an instant thing rather than air gradually building up in the lines. its happened twice now and im confused, any ideas?
car is a 156 v6

sounds like you need to change the brake master cylinder
is a bit of a pain to do

good luck