Question about Chevrolet Suburban
I have a 2003 suburban and here lately I've notice the front end shakes terribly after I hit a bump in the road. I had it inspecteded at tire kingdom, which the told me that they couldn't find anything loose under my truck.The Tires has about 60% of rubber still on them and they dont look to be wearing in anyway.It does not pull when I hit breaks and I can release the steering while driving and the truck do not drift. I only have problems with it constantly shaking when I hit a bump or a ruff part of the highway. PLEASE HELP!!!
Posted by Anonymous on
I would remove one end of the steering stabilizer (if you have one) which looks like a shock absorber laying sideways attached to the steering linkage and pull and push on it.It should be stiff to move.
Also have the tires dynamically balanced on a motorized name brand wheel balancer.Next have the front end alignment checked with the normal load you carry in it.Not enough caster in the alignment can cause a shake/wobble easily.
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Posted on Jan 02, 2017
SOURCE: front end shaking
I had the same problem on a 2003 Kia Sedona where the front end would vibrate excessively while accerating at freeway speeds. Over time it got worse and was noticable at lower and lower speeds and while just maintaining speed, but went away when I took my foot off the gas.
It turned out to be the inner CV joint on the passenger side. You can check for this by grabbing the inner and outer half axels with large vice grips or slip-joint pilers and turning them in opposite directions while listening for crunching or "loose parts" noises.
The CV is sold with the axle so I just bought the outer half axle for $80 (which has the inner and outer CV joints attached) and replaced it. If you do it yourself, make sure you have a ball spline fork, a hub puller tool, and a big torque wrench for putting the bearing assembly back on. You can rent these at AutoZone.
The bad CV joint also caused the bearing to go bad. It had burn marks and made a grinding noise while turning. It was very hard to get out, so I had to take the assembly to a machine shop to have it taken out and the new one put in. $35 for bearing and $30 for machine shop work.
After repair, I took an 800 mile road trip that weekend with no problems other than barely noticable vibration from the driver side at 70+ mph. I figure vibration was so bad pre-repair that it messed up something on the other side as well, so I'll check out the driver side bearing and CV when I get a chance.
Posted on May 05, 2009
This usually indicates a problem with the suspension components. Check for play in front end suspension, 1st thing I would check would be the steering damper, it's often overlooked, and could be the cause. If that checks out ok, jack up and check for play in wheels, which could be caused by worn ball joints, tie rod ends, wheel bearings. A lot of possibilities, generally play in any components can trigger the shaking you're experiencing when hitting a pot hole or bump. Good luck!
Posted on May 09, 2009
Yep tie rod ends both control arms and a frame bushings. If you had time and could send some pictures I could be more presise and could give you a detaild ideal on how to test the entire front end, but you do not seem to want a lot of help as this would require me to give you two hours of instruction and testing parts that you are not aware of..
Posted on Jul 22, 2009
The bumps do initiate the shaking. When my 2006 Ram 2500 4x4 started shaking, I had just had it aligned that morning. A month or so before that alignment, my passenger side outer tie-rod broke while driving down a rock road. I replaced it with a heavy duty MOOG tie-rod end. Anyway, the same day I had it aligned I was driving back home from a job and towing my bobcat behind me. I hit a bump and the truck did the "death wobble" with the front end shaking violently up and down in an alternating fashion (one tire in the air while one tire on the ground and then vice-versa). I changed the tires first (which were worn-out 305/75/17 mud tires). Since the day I bought the truck new in Jan. 2006, I've had larger tires on the truck than the tiny 235/75/17s that came with it and I've done a lot of heavy towing with it and never had a problem until this alignment was done at Sears. I;m still trying to figure out if it was the alignment specs that they used or if the problem coincidentally started that same day. I also changed the steering stabilizer. Neither the new tires nor the stabilizer/damper helped the problem. So I changed the other outer tie-rod end and the upper and lower ball joints (all MOOG with grease fittings). I turns out they were worn out. So, the truck no longer shakes violently up and down when I hit a bump. That problem seems to be in check. However, now when I hit a bump the truck's front end wobbles side-to-side. I can do a few things to recover from it. I can hit the brakes pretty hard and sudden (which can cause an accident on the interstate), or I can **** the steering wheel side-to-side a few times (from 10 o'clock to 2 o'clock) and that stops it immediately...until the next bump in the road. Also, if I let my foot off the accelerator just before hitting a bump and let the truck coast over it instead of power through it, sometimes the truck will ride over the bump without incident. I found out yesterday on a 5 1/2 hour road trip that if I did 80 to 90 miles per hour and powered through every road blemish, the truck rode fine...no shaking at all. I suppose the high speed forces the tires to stay straight when they hit a bump. Lastly, to confuse my problem solving attempts further, sometimes the truck rides like a cadillac (for an hour or so) at regular speeds and no matter what bumps I hit. Then without worning, the front end will loosen up and get that sloppy feeling again and the wobbling comes back at every bump...until the next time it feels like tightening up and driving right again. I have no idea what to do now. I'm going back to Sears today to have them check their alignment. Other than that, all I can think of is to change the rest of the steering components and check the steering box for malfunction. I hope someone can help all of us Dodge owners out off of the road tested info that I've just provided. Dodge doesn't seem to care to address the problems with their trucks front ends, and we need a solution before people get hurt or die. I was almost run over by an 18-wheeler trying to figure out how to handle the shake. I can't afford to buy another truck. So I need to fix this one so I can keep working. If anybody has a concrete solution to these problems, please let us know. I've read 20 different opinions from mechanics on these blogs, but nobody has said yet that they fixed someone's truck with these problems and have since heard from that customer and everything is still working fine. Opinions are helpful sometimes, but they're also confusing when they're conflicting.
Posted on Jan 23, 2010
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