>Interesting weekend at work... No Land-Rover content
>
>Jeep owner shows up on our doorstep this morning, requesting a brake
>inspection. 1996 Jeep TJ, with serious brake issues. I was thinking blown
>brakeline, from the symptoms described (mush pedal) however I was quite
>puzzled by the fact that the handbrake wasn't working and there was a
>clanking noise coming from the left rear.
>
>Imagine our surprise when we found that the backing plate had sheared and
>torn itself to shreds, ripping brakeline off and tearing off the parking
>brake cable. The backing plate was merrily spinning at axle speed, inside
>the drum, with shoes, wheel cylinder and adjusters still in place (sort of).
>The inside of the backing plate (which bolts on with 4 bolts) was still
>affixed to the axle tube, and the outside ring to which the wheel cylinder
>and shoes attach, completely seperated in a torn mess of sheet metal.
>
>Kind of an odd failure mode. No excessive sitting time that would have
>caused a rust buildup, he was stopping normally and "crunch".
>
when I was at the heavy-duty truck parts place a couple months ago,
having U-bolts made, a guy came in with a brake drum off a
semi-tractor. Well, about half of it, anyway. Half of the outside
diameter was missing.
The counter guy asked where the rest of it was, and they guy said
"About Gary, apparently." I wouldn't want that hunk of cast iron
falling off a truck in front of me!
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