So, I'm running into some brake issues with my 300SD. I've never had to do much beyond changing pads/rotors/shoes on brakes before, so the rest is still a bit new to me.

I put new pads on the front and in the process of getting the bolts unstuck (PB Blaster, propane torch, cranking, etc... ) we fried the seals in one of the calipers. Enough running around, no good used parts, wrong parts from store, etc... I get the right caliper in and put it on this afternoon.

By now I've bled out more or less all of the old fluid and run over two 350 ml bottles of fluid through the system. After some bleeding today the brakes were getting close to back to normal finally, but I only get a couple of seconds of real decent braking before the pedal fades and softens up a bit. It gets really hard after some pumping but the braking is just not where it should be.

I'm planning on bleeding it more tomorrow, but if that doesn't work anyone got any suggestions?

Tired of throwing time and money at this!

Thanks.

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1981 300SD - 283,000 KM's at purchase, 360k+ now. Engine replaced at 311k. 16" CLK wheels, w126 gen II cosmetic upgrades, late w126 leather interior. RIP. Parted and gone due to fire

1987 300SDL - 243K miles and counting. In winter hibernation!

2001 Ford F250 Super Duty "Platinum Edition" Lariat 4x4 7.3L turbo diesel, 295k+ miles, various mods for reliability and performance.