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  #1  
Old 07-25-2011, 12:09 PM
MaDDMike740 MaDDMike740 is offline
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Default Ass-End hops up and down

When i'm slowing down and get to between 40-35mph the ass end starts to jump up and down. I cannot feel any vibration in the brake pedal. It used to be real bad but i've changed tie-rod ends, ball joints and 4 new shocks just this weekend and those seem to help a little but it's still there.

If im going 65 and hit the brakes or 25 it feels smooth as butter but if im in that 40-35mph range she starts a hoppin.

Could my drums be warped or something? Any ideas appreciated!
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  #2  
Old 07-25-2011, 12:38 PM
brinker88 brinker88 is offline
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Default Re: Ass-End hops up and down

Sounds like a sheared off center pin in the leaves to me. Or a broken leaf spring or a shackle...get under there and check it out.
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  #3  
Old 07-25-2011, 01:55 PM
north44 north44 is offline
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Default Re: Ass-End hops up and down

Check the shocks while you're back there.
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  #4  
Old 07-25-2011, 02:06 PM
Christianguy Christianguy is offline
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Default Re: Ass-End hops up and down

You stated that you got new shocks in all four corners.
GOOD SHOCKS?
-PepBoys has Monroe brand shocks,
But I suggest their BEST .
-same goes with Autozone with their Gabriel brand
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  #5  
Old 07-25-2011, 02:39 PM
Blessed Ranger Blessed Ranger is offline
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Default Re: Ass-End hops up and down

Could this be a ABS malfunction?
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  #6  
Old 07-25-2011, 02:56 PM
brinker88 brinker88 is offline
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Default Re: Ass-End hops up and down

And wtf's up with the chevy avatar?
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  #7  
Old 07-25-2011, 03:32 PM
MaDDMike740 MaDDMike740 is offline
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Default Re: Ass-End hops up and down

I put 4 Gabriel Ultra's on, front and back and while i know they're not the best they are WAY better than what was on it.

The ones i replaced had to be factory because they were motorcraft brand and they were rotted to hell.

I could push them [rears] down with my thumb and the fronts wouldn't even return when compressed.

I got'em at auto zone, it was buy 1 get the 2nd half off plus i had a $20 auto zone rewards discount, minus the rebate hassle it worked out nice.

The leaf spring shackles look replaced i think there's a napa sticker on one of them. Wonder if someone jacked it up installing those.


I like the ABS theory....maybe it's pulsing at that 35-40mph range.....once you get there it like BOP BOP BOP! not a wild hop...idk it's hard to describe.


Quote:
Originally Posted by brinker88 View Post
And wtf's up with the chevy avatar?
I know it's sacrilege but i love my s-10 2wd 4.3 and i also like getting guys like you riled up! j/k
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Last edited by MaDDMike740; 07-25-2011 at 04:19 PM.
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  #8  
Old 07-25-2011, 04:32 PM
benno benno is offline
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Default Re: Ass-End hops up and down

check to see if you lost a tire balancer or brake hub bearing?
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  #9  
Old 07-30-2011, 12:23 PM
killj0y killj0y is offline
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Default Re: Ass-End hops up and down

unbalanced tire? warped rim? maybe it has more to do with the drivetrain?
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  #10  
Old 07-30-2011, 12:26 PM
pooleo pooleo is offline
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Default Re: Ass-End hops up and down

what do you mean by hopping? like going over train tracks hopping? Like you ran over dog hopping?
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