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Spongy Brakes
Hi, I have noticed recently that when I take my 01 Grand Caravan sport on the highway that my brakes will become very spongy after awhile. This does not occur with typical city driving though. After about 20 minutes of highway speeds I can push my brake pedal almost to the floor. There is very little resistance at first and then it will engage. It is almost like there is air in the system but I don't think so since it would be like this all the time (i.e. the air can't just disappear).
Also in park I noticed that everytime I push the pedal I hear a click in the dashboard. It sounds like a relay engaging, could this have something to do with it? Since it has rear drum brakes I also thought about this being a cause. I am not familiar with drum brakes as all my other cars had disc brakes all around.
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