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Old 10-13-2008, 11:41 AM
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driver side drum smoking hot.

64 gto - drums all the way around- after about 1 hour of driving my pedal gets hard and driver sidebrake drum starts smelling and smoking. if you open the bleed valve it releases and is fine for a while, what is this?
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Old 10-13-2008, 11:52 AM
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Drum

Here is my guess.
As you drive the shoes are dragging in the drum, creates friction, then heat builds up, fluid in the brake cylinder heats as well, then expands, which does 2 things.
1. The expanded fluid in the brake cylinder forces out the shoes making it drag even more.
2. Eventually the heat transfers thru the line to the master cylinder, causing expansion of the fluid, which is causing the "hard pedal".
Not to mention the bearings running hotter, and air pressure rise in that tire.
FIX IT.....it's a safety issue big time.
The brake fades.....plus if the thing pumps already hot fluid out onto a really hot brake drum you could actually have a wheel fire.
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Old 10-13-2008, 12:01 PM
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If the rubber line is swelled up, it will hold pressure to the cylinders....but it should affect both rears from that one rubber line. I suppose it could be a kinked metal line to that one wheel; like if the car was chained around the axle during a tow?
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Old 10-13-2008, 02:56 PM
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ill check the lines on that wheel, im getting that on searches alot or collapsed line.
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Old 10-13-2008, 07:22 PM
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i would replace brake cylinder,it may be sticking
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