Truck vibrates when braking. - Dodge Cummins Diesel Forum
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post #1 of 11 (permalink) Old 09-01-2009, 06:34 PM Thread Starter
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Truck vibrates when braking.

1995 2500 ext cab diesel 4x4

The truck shakes badly when i apply the brakes. I have looked at the front tires while breaking and they shake side to side about 2 or 3 inches. The truck has some play in the steering and you can tell when I stop. Do the steering boxes wear out easy or does it have an adjustment. Let me know.
Thanks.

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post #2 of 11 (permalink) Old 09-01-2009, 06:36 PM
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Originally Posted by Dark-Horse-Diesel View Post
1995 2500 ext cab diesel 4x4

The truck shakes badly when i apply the brakes. I have looked at the front tires while breaking and they shake side to side about 2 or 3 inches. The truck has some play in the steering and you can tell when I stop. Do the steering boxes wear out easy or does it have an adjustment. Let me know.
Thanks.
Sounds like you may have some warped rotors.... IMO

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post #3 of 11 (permalink) Old 09-01-2009, 06:46 PM
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Lot of things it could be but I would start with rotors since it shows when brakes are applied.


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post #4 of 11 (permalink) Old 09-01-2009, 06:55 PM Thread Starter
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I plan on doing that this weekend. How about the play in the steering wheel, or steering box adjustment. I may just replace it as well.
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post #5 of 11 (permalink) Old 09-01-2009, 06:58 PM
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Originally Posted by Dark-Horse-Diesel View Post
I plan on doing that this weekend. How about the play in the steering wheel, or steering box adjustment. I may just replace it as well.
If the rotors are warped, the whole front end would shake, the worse the shake, the more warped they are. It may not have anything to do with the steering linkage, box or steering wheel.... IMO

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post #6 of 11 (permalink) Old 09-01-2009, 07:02 PM Thread Starter
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I just bought the truck about 2 weeks ago. I have plenty of bugs to work out and I am starting with this. Thanks for the help.
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post #7 of 11 (permalink) Old 09-01-2009, 07:02 PM
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If it were me doing it and I had it torn down enough to do rotors, I would be making sure it does not need ball joints, and front axle ujoints as well as wheel bearings as well. If it still wanders after all of that I would start looking at the track bar, then tie rods, then a box.


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post #8 of 11 (permalink) Old 09-01-2009, 07:06 PM
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Quote:
Originally Posted by ninerqb8 View Post
If it were me doing it and I had it torn down enough to do rotors, I would be making sure it does not need ball joints, and front axle ujoints as well as wheel bearings as well. If it still wanders after all of that I would start looking at the track bar, then tie rods, then a box.
If it shakes that bad, you might be better off just buying new rotors.

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post #9 of 11 (permalink) Old 09-01-2009, 08:10 PM
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my truck would do that under braking after freeway driving and after i put in my Thuren track bar it went away

1996 2500 ECLB, NV4500, 4X4
Engine: Hamilton 182/214/106, P&P+O-Ringed Head, HD pushrods/retainers, 110# springs, Adj. Timing Gear at 23*, ARP 625+, 20 Over Big Bowl Pistons, ATS 3 Piece Manifold, Fluidamper, Southbend DD3250, 5" Turbo Back Exhaust + FTE Resonator
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post #10 of 11 (permalink) Old 09-01-2009, 08:48 PM
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Agreed. I'd start with the rotors & inspect all of your balljoints & bushings while you've got it down. Before you tear it down, get a buddy or lady friend to sit in the truck, running, and turn your steering wheel from side to side. You should be able to notice any play in your trackbar's joints.. Do that before you put it on the jackstands; won't work without the truck weight on the suspension. If you have much play, you could either replace the entire bar, or I'd advise you to do a Luke's Link setup.

And to answer your question, how much slack do you have in the wheel? Your steering gearbox has a slack adjustment built in. It should be an allenhead type bolt with a jam nut on it. You can try to do some adjustment there, but keep in mind that it doesn't take much to make a huge difference. If you get it too tight, your truck will not seek center.

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Last edited by MX26; 09-01-2009 at 08:50 PM.
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post #11 of 11 (permalink) Old 09-01-2009, 09:15 PM
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If it's wobbling as much as you say the wheel bearings are probably shot.
Your rotors may be just fine.
If the rotors are warped it's not worth it turning them, buy new ones.

Bill
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