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-   -   Brake Booster Issues... (http://www.risingsun4x4club.org/forum2/showthread.php?t=1213)

Rezarf 04-17-2006 11:55 PM

Brake Booster Issues...
Howdy Everyone-

Well, drove around 150 miles in the cruiser today, with a short run up into the mountains, coming down I had to hit my brakes a bit to allow a faster vehicle by, when I did my truck darted side to side... this was new, but I am not sure if it is related.

After driving to the airport and back about an hour and half, my brake pedal was getting a bit stiff but still slowing the 40 down.

By the time I got home today, I was needing to downshift to scrub speed and the pedal was stiff as a board. I was having to stand on it to get it to stop. I also had a bit of fluid coming out of the front cap when I got home... the cap is pretty dry rotted and loose though.

I am thinking it has to be in the booster? Fluid is good, pads are good, these are disks.

What do I start to look for with the booster? How do I check it for proper function?



Uncle Ben 04-18-2006 03:07 AM

It sounds more like you have a sticking disc brake caliper. When you stepped on the brake and it "darted" it sounds like one caliper hung for a milisecond then suddenly grabbed the rotor. Your brakes got harder because that same caliper was dragging on the rotor and got really hot, thus heating the fluid (which expanded). I bet tomorrow when you drive it around the peddle will feel more normal again but if you feel the front wheels after you drive it a bit I bet one will be very hot.

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