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post #1 of (permalink) Old 01-12-2004, 02:19 PM
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Axle hop when braking?

My K30 makes alot of clunking and shuddering from the rear while braking. It only happens on ice/snow (ie. slippery conditions). Sometimes it is only one large 'clunk' (when very slippery -ice) or multiple shudders (when not as slippery - snowy roads). I have 4" lift blocks in the rear and 38" tires. Is this common? SHould I be concerned? I get no axle hop when accelerating or under load, just when braking. I'm assuming the it's rear axle hop when braking.
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post #2 of (permalink) Old 01-12-2004, 03:17 PM
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Re: Axle hop when braking?

are you sure its axle hop? Could it be you loosing/gaining traction with some slop in the diff/gears? Is your rear end open or locked?
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post #3 of (permalink) Old 01-13-2004, 05:48 AM
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Re: Axle hop when braking?

I'm not 100% sure it's axle hop, just assuming it is. The rear has a Detroit locker in it. Is this common on detroit equipped vehicles? I would have never suspected the locker but I guess it is possible.
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post #4 of (permalink) Old 01-19-2004, 12:37 AM
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Re: Axle hop when braking?

one of my hub seals is bad on my truck and it causes the back breaks to grab. Checking your breaks might not be a bad idea.could be contaminated or just need adjustment.
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