Date registered: Sep 2004
Vehicle: 1973 280C
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RE: Braking issues with 280C...still....
UPDATE: Just an update. I have been working to grind off the bolts holding the two halves of the caliper assembly together, and clean and paint them. The torx bolts rounded out on the inside, but a Dremel with a grinding attachment worked perfect to remove the heads.
Essentially, the rear brakes were so severly rusted in place, that I had to hammer them out. There was absolutely NO MOVEMENT of the rear brake pads. The caliper pistons were also stuck, and so on. I've soaked them in lubricant, cleaned them, have given at least 3 out of the four components a shot of POR-15, and have installed new o-rings, dust boots, and cleaned pistons in one set. I also ordered new brake rotors, but am waiting until I can finish both assemblies. I had to order a pair of used calipers from a '72 250C ($20) from ebay, so I could use one of the halves of the caliper. When I was removing a piston from one half, it broke off a small piece of the raised ring that the dust boot slips around.
Right now it seems like I should have checked the rear brakes all along, but at least now I don't have to worry about my brake master cylinder or the reservoir, so in the long run I suppose it's worth it.
Will let everyone know what happens once I get everything fixed up and installed!
1973 280C, Weber 38DGES carb conversion-GONE. 1983 380SEL-GONE.