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Alignment Measurements Have Never Been Easier, Faster or Less Expensive

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balance or alignment on new truck

i have a new truck with 40,000 miles on it. I have true balance sleeves on all 3 axles and balance rings on the steer. i get a bad shack 30mph and lower only when braking. i cant see or feel any irrreguler where pattern. Any Ideals ?

Answer this question I have this problem too

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3 Answers

Since only during braking I'd check your slack adjusters. When my brakes go out of adjustment I have the same shaking, readjust them by pumping the brake pedal and the problem goes away.

If you're less lucky you might need a new air can or actuating valve on one or both sides.

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I hate to say this, but THAT is what warranty is for. If the adjustment isn't out, MAKE the dealer find and fix the problem.

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For a shake on the steer axle below 45 mph is almost always an out of round tire but you say its only during braking. Off center drums could cause this too but you have the sleeves. I don't think brakes being out of adjustment would cause this but I may be wrong.

Since its only during braking, the only thing that comes to mind is you may have an egg shaped drum.

Jeff

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Joe Deede will be eternally grateful.
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