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2000 Silverdo - Rearend hop at 44mph


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Sonicd69
New User

Aug 4, 2010, 5:15 AM

Post #1 of 6 (1428 views)
2000 Silverdo - Rearend hop at 44mph Sign In

2000
Chevrolet
Silverdo 1500
5.3 V8
206,000 miles


I have noticed a hop in the rearend around 44mph. I thought this was from the worn tires I had on the truck along with the worn rotors. When I looked at the worn tires I noticed that the top and bottom of the tires were worn. Not having even wear all around the tire, like it was oblong or out of balance. I replaced the rotors and shoes (Disc Brakes) on the rear and replace all 4 tires thinking that this would take care of the problem. Well, I'm still getting the reaerend hop at 44mph. I'm starting to think that it's a bearing somewhere in the reaerend axle. Any help would be greatly appreciated.

thanks
Sonicd69


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 4, 2010, 5:20 AM

Post #2 of 6 (1423 views)
Re: 2000 Silverdo - Rearend hop at 44mph Sign In

Would you define what you mean by "hop"? Are we talking about a vibration, a noise, is the truck actually moving up and down?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 4, 2010, 5:23 AM

Post #3 of 6 (1420 views)
Re: 2000 Silverdo - Rearend hop at 44mph Sign In

I'd hoist drive wheels and spin them for trueness. Possible bent axle or maybe a real tight U-joint.

Would think a bad bearing would be making noise like crazy if only a bearing,

T



Sonicd69
New User

Aug 4, 2010, 6:31 AM

Post #4 of 6 (1413 views)
Re: 2000 Silverdo - Rearend hop at 44mph Sign In

 
The truck actually moves up and down. Accelerating and braking @ 44mph the hop starts. I can feel that the truck is not rolling correctly when over 45mph.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 4, 2010, 7:02 AM

Post #5 of 6 (1406 views)
Re: 2000 Silverdo - Rearend hop at 44mph Sign In

It's a little unusual for something like that to only show up at higher speeds. You can usually feel that type of stuff at real low speeds. You should be able to get the rear wheels off the ground and run it in gear and be able to see the movement.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Sonicd69
New User

Aug 4, 2010, 7:19 AM

Post #6 of 6 (1403 views)
Re: 2000 Silverdo - Rearend hop at 44mph Sign In

thanks! I'll do that when i get home.






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