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On Jackstands, Lots of Brake Work

March 12th, 2008

I finally pulled Trog into the shop to begin some major unplanned work to the brakes. This puts the sandblast work on hold for a bit.

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The other day, I attempted to bleed the brake lines, but both right rear wheel cylinders didn’t bleed. Turns out rust had clogged the bleeder valve. Seeing this, I decided to investigate the other wheel cylinders and found lots of rust, scored cylinders and even a couple rust-seized cylinders. The front cylinders could be honed because they are cast iron. The rear are aluminum and honing would destroy the hard anodized layer. However, I think I’ll just buy new wheel cylinders all around and completely revamp the brakes. I’m also upgrading the flex lines to stainless braided lines. Luckily, C306 brakes are the same as the 109 LandRover so parts are available.

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Brake shoes have approx 3mm of pads left — Volvo recommends replacing them at 1.5mm.

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More worrisome is the oil leak on the right front axle (and the middle left axle). Hopefully this just requires getting a new boot. Worst case is some greater damage is lurking in the portal axle.

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