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Old 04-08-2011, 02:45 PM   #1
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Brake pedal buzz

When I depress the brake pedal I always hear a buzzing from down around the pedal that continues until I release the pedal. It is seriously annoying... Any ideas what might be causing it?

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Old 04-09-2011, 02:51 AM   #2
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Do you have ABS?

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Old 04-11-2011, 08:39 AM   #3
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Abs?

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Do you have ABS?
Not sure - is there an easy way to tell?
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Old 04-14-2011, 10:47 AM   #4
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No ABS...

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Do you have ABS?
From what I can tell I don't have ABS.
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Old 04-14-2011, 10:50 AM   #5
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There will b a wire coming out of the wheel bearing if you have abs. Abs would cause that tho
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Old 04-15-2011, 08:44 AM   #6
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Brake fluid reservoir

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There will b a wire coming out of the wheel bearing if you have abs. Abs would cause that tho
I looked at the pics in the service manual and the ABS appears to have two caps on the brake fluid reservoir. Mine only has one. So I assumed no ABS. Also no mention of it on my build sheet (at least no mention that is obvious enough for me to know what it is). This is all it says about brakes:

"BGAS Power Front Disc/Rear Drum Brakes "

I'll check for wires on the wheel bearing. If it was ABS why would it buzz? Does that indicate some kind of problem?
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Old 04-15-2011, 11:12 AM   #7
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remove the vacumline from your brake booster and cap it off for a second and crankit hit the brakes and see if it is still there my dodge dually had a buzzing sound from the pedal it turned out the brake booster diaphram was split and loosing vacume replaced it no more buzzing if you take the vacume off it and it goes away you know its in the booster
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Old 04-15-2011, 01:33 PM   #8
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I've never worked with abs problems much, I just know how to tell the difference. I've never owned abs vehicles lol
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Old 09-19-2011, 10:05 AM   #9
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Thought I would let you guys know that I had finally listened to the buzzing as long as I could stand it and set about trying to fix it this weekend...

After I replaced the brake light switch that I figured JUST HAD to be the problem - it still buzzed. Somewhere in this process I figured out that I had no brake lights so I checked the fuse marked "hazard/brake" or something like that. I hadn't checked it before because my hazard lights worked just fine. Well, long story short the fuse was blown and when I replaced it the brake lights worked and the buzzing stopped.

Apparently I have been driving my Jeep since March (when I bought it) with no brake lights... I'm sure there's a moral to this story but I'll be damned if I can figure out what it is. :-)
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Old 09-19-2011, 03:36 PM   #10
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Uh, that would be..........check all your lights occassionally..........lol

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