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".
Weird vehicles, them Jeeps.
J-L
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