Question about 2006 Kia Sorento

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Rearend shakes,bounces at realy low speeds only

Seems to originate from the rear, but the vibration\bouncing transfers thru the vehicle so quickly and dissipates at such a low speed its hard to tell. it feels like something is sticking, not allowing one or both rear wheels to roll freely. like I'm dragging the rear end. but still only under forward acceleration between 10 and 15 mph. if I hold the brakes to maintain the appropriate speed for longer the symptoms become more violent but still between the same speeds. please help, only car, family of 4,

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  • 14 Answers

Bent rim or hub can cause this. rotate tire to confirm rim are ok and check run out on hub to confirm the hub are ok.

Posted on Nov 22, 2013

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Posted on Jan 02, 2017

  • 350 Answers

SOURCE: 2002 kia sportage 2wd brakes sticking

hi check all your brake linnings for contamination especially brake fluid on the linnings if this is ok you have a build up of pressure if its possible for you drive till the brakes start to lock up get out go to each wheel see if any of them is getting hot if so the problem is on that wheel jack it up to see if the wheel is locking if its red hot it will be sticking then try the rest of the wheels one at a time jack them up see if its one wheel or all if its one wheel release the bleed nut on that wheel see if it releases if it does it must be fitted with a pressure regulator to that wheel replace it . now if its all wheels its more likely to be the brake master cylinder or if fitted pressure regulator that supplies all the wheels a long shot i cannot see but better to mention it the brake pedal is not sticking and holding down yates210456

Posted on Sep 29, 2008

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SOURCE: Car "kicks" when accelerating from a stop

this is not a comen prolbem.has the dealer check the you exhast conver? it could be your ECM computer.some times.witch tell your motor what to do .i would get rid of it.

Posted on Mar 22, 2009

  • 1 Answer

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

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Tip

Shocks and struts


When it comes to shocks and suspension, many people are confused as to what the shocks on their vehicle do. The job of the shock is to slow down and damp the movement of the body on the wheel. The real function of shock absorbers are to: 1) Prevent bottoming, that is slowing down the compression of the spring and create lifting force on the wheel.
2}Prevent the tires from bouncing up and down on bumps and absorb some of the energy.
3)Keep the vehicle from bouncing up and down on the springs before settling down.
I’ve put together a few simple tests you can do even if you have no mechanical knowledge about your Lexus at all. The same principle applies for strut suspension.
1}Push your weight down on the front or rear of your Lexus and release .The vehicle should bounce up and settle down. If it continues to bounce the shocks are worn out.
2)Drive over a small bump at a speed of 20 mph and the wheel should lift to it and settle down without a thud.(the thud is the rubber snubber)
3)At 60 mph the vehicle should rise and fall quickly over a dip, then stabilize itself after 2 rebounds..If it does not the vehicle will feel like it is floating and this makes the steering very unstable.
4)On rough roads does your vehicle shake and vibrate after you go a short distance? Well if it does, it is because the oil in the shock is overheating and starting to foam. That problem can be corrected with a nitrogen gas shock.
5)The last is to look at the shock or strut and see if it is leaking oil, if so it has no compression or rebound.
If your Lexus failed any of these tests either the shocks are worn out are mismatched for your vehicle. Some of the best shocks and struts on the market are Bilstein’s Monroe, and KYBs . And remember that maintaining the shocks and or struts on your Lexus is very important to the handling and tire wear on any Lexus.
This is a very good link for more suspension information

on Dec 13, 2009 | Toyota Sequoia Cars & Trucks

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Symptoms of worn rear shock absorber


To test if your shocks are worn, go to each corner of your vehicle, put two hands on the car, and now pump the corner down hard a few times rapidly, trying to get it to bounce, than quickly let go!, If the car only bounces one or two or three times and stops, they are fine, If any one corner bounces more than two or three times and keeps on bouncing like 5 or 6 times, it's a worn shock. Worn shocks can make it feel like your driving a big ol' loose boat across the road, even in a small vehicle with movement both side to side and up and down, so can worn or loose body bushings, worn suspension parts, under-inflated or broken in or worn out and softened tires. If your ride height seems low it could be worn springs, Shocks are cheap and easy to change, especially the rears. Springs aren't cheap and can be a pain to change on some front ends. Good luck!

Apr 23, 2014 | 2004 GMC Sierra

1 Answer

Scary, the rear leans into a gentle turn or toward the low side of a slanted road causing me to correct the direction of the car. Very unsettling to say the least. It is not noticeable at slower speeds....


Check the struts. The struts usually contain both the spring and the shocks. One way to check them is bounce the car with your body weight by standing on the bumper. It should resist bouncing and if it bounces or drops right down, replace that strut. IT could also be a sway bar that is loose or missing. To check this you need to get under the vehicle and look for a bar that extends across the back of the vehicle by the wheels.

Apr 07, 2014 | 2003 Saturn ION

3 Answers

I have a bad vibration that appears to be coming from the rearend. Started out only at certain speeds now it's all the time. Stops when you let off the gas. Shakes the entire vehicle.


A couple of things to check. It may be a wheel bearing, shock, cv joint, or a very common cause is that one or both of your back tires are worn irregularly. This causes the car to shimmy and get progressively worse as you have explained. It usually happens on the front end of the car, but can occur in the back.

Sep 26, 2012 | 2004 Jeep Liberty

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When the truck gets up to 60-65 mph it shakes real bad. and then when i hit the brakes the rear of the truck acts like it is bouncing. just replaced the front brake rotars last week and had tires checked...


do you feel any vibration when braking at lower speeds like 30? if any vibrations happen only when braking, fix those first. I suspect there is a rear brake problem. also verify that the driveshaft and universal joints are good.

Oct 17, 2009 | 2007 Chevrolet Silverado 2500HD

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I HAVE A 1991 LEXUS 400LS THE REAR DRIVER SIDE WHEELS SHACKS WHEN I DRIVE UNDER THE SPEED OF 25 MPH. WHY?


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Sep 10, 2009 | 1991 Lexus LS 400

1 Answer

Bouncing rearend


Some leaf springs, when removed causes a bounce in the rear end when you forget to put them all back. You should try adding some leaf springs recommended from the manufractuer, or just look for the same parts from another model just the same as your vehicle. (tip from experience: match the leafs, and where they go.) for example: the small one will go with the other small one. I used the 2nd largest leafs and added them to my rear end, so instead of just one leaf stock there was two. if this solves your problem let me know.

Jun 26, 2008 | 2000 Chevrolet Crew Cab

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