master cylinder gummy

[rigger3006]

just got the wifes 72 duster home, master cylinder has rust and gummed brake fluid . should i replace master cylinder or clean and flush system?

 

[67Dart273]

Uh, BOTH?

 

[RustyRatRod]

If the master cylinder is like that, then so are the calipers and or wheel cylinders and everything else in the system.

 

[67Dart273]

if the master cylinder is like that, then so are the calipers and or wheel cylinders and everything else in the system.

x1,000