Before you go thru all the effort to replace the master first try flushing / bleeding the whole system out.
Brake fluid should not have a light brown tint to it.
Many times I have had a small leak like that and it was due to very fine rust particles build up in the fluid, and there’s no type of hydraulic seal on the planet that will seal on grit.
Besides your going to basically ( or you should) flush the whole system out if indeed it does come down to needing a new master, and the cost of going thru one or two more can’s of brake fluid is small.
Also while your at it if both of your front brake hoses are original ( near 50 years old ! ) and so is your rear one likely, now is the time to change them out.
When they collapse on the inside ( which you can’t see) it takes more pedal pressure to apply the brakes, and it can also allow the brakes to hang up and then if nothing else your chewing up pads and brake shoes very fast.
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
Last edited by steve25; 07-09-2023 at 06:30 AM.
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