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Old 07-23-2006, 09:32 AM   #1 (permalink)
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Bumpy ride at the back seats

My camry 2.4 03 model has this little bumpy(little up and downs sensation) ride at the back seats. I have change the tyres and absorbers. I even reduce my tyres air pressure. Everything is std specs. What can it be wrong?

I have the car checked by my mechanic and he said the rubber fittings at the rear are ok.

Can it be the wheel balancing is not rite or something else
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Old 07-24-2006, 07:10 PM   #2 (permalink)
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can one help?
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Old 07-24-2006, 11:03 PM   #3 (permalink)
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that depends....are you saying that the bumpiness is a stiff type of rapid bumpines? or are you saying that it is too up and down in a slow kind of wave?
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Old 07-25-2006, 09:21 AM   #4 (permalink)
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Quote:
Originally Posted by Eye8Pussies
that depends....are you saying that the bumpiness is a stiff type of rapid bumpines? or are you saying that it is too up and down in a slow kind of wave?
rapid bumpiness on straight road when the speed reach 40km/h. It only felt at the backside.

whats wrong.
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Old 07-25-2006, 11:06 AM   #5 (permalink)
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Rear tires are out of balance or gone bad...? Or maybe you have a bent rear wheel.
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Old 07-25-2006, 01:22 PM   #6 (permalink)
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if your mechanic says that your suspension is fine, then bring your car back to where you got your tires installed and have them check the balance again

if the tires were freshly put on, and you did hard braking or throttle hard, usually the front tires will spin on the rim due to the lubricant that they use to get the tires onto the rim and then the alignment will be out of place- by the same token, the same thing can happen to the rears during hard braking

OR as you are guessing, it could be a bent rim- but if properly balanced, a small dent can be balanced out


if you want to check for yourself if the problem is in the wheels/tires, rotate the rear wheels to the front and see if the ride gets worse. usually, a badly balanced wheel or bent rims are barely noticeable in the back, but then become quite noticeable in hte fronts
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Old 07-25-2006, 09:50 PM   #7 (permalink)
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Quote:
Originally Posted by Eye8Pussies
if your mechanic says that your suspension is fine, then bring your car back to where you got your tires installed and have them check the balance again

if the tires were freshly put on, and you did hard braking or throttle hard, usually the front tires will spin on the rim due to the lubricant that they use to get the tires onto the rim and then the alignment will be out of place- by the same token, the same thing can happen to the rears during hard braking

OR as you are guessing, it could be a bent rim- but if properly balanced, a small dent can be balanced out


if you want to check for yourself if the problem is in the wheels/tires, rotate the rear wheels to the front and see if the ride gets worse. usually, a badly balanced wheel or bent rims are barely noticeable in the back, but then become quite noticeable in hte fronts
the problem already existed when I havent changed the tyres and absorbers. It has improved but still there. So I think is the tyres and or absorbers. I try to balance the wheels again and see the problem will go away.
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Old 07-26-2006, 01:43 AM   #8 (permalink)
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a possiblity could also be a loose tie rod, etc. etc. make sure you have a full check over of your suspension if the wheels don't seem to be the problem

the shocks/springs wouldn't make your wheels vibrate
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Old 07-26-2006, 06:59 AM   #9 (permalink)
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Quote:
Originally Posted by Eye8Pussies
a possiblity could also be a loose tie rod, etc. etc. make sure you have a full check over of your suspension if the wheels don't seem to be the problem

the shocks/springs wouldn't make your wheels vibrate
I let the mechanic check again and he found out that the lower arm bar is a bit loose but need to test again to be sure.
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Old 07-26-2006, 07:39 PM   #10 (permalink)
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I found that the strut Rod Assy Rear bushings are loose. Can it be the cause of the jumpiness? I oso notice my suspension is twice harder when pressed by hand compared with my friend's camry. My new asb. are toyota geniune parts.What causes the harder suspension? The abs or spring coils? Can it be the springs that cause the jumpiness? My friend's camry can be easily pressed down the rear and his is a 6 months old car.
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Old 07-26-2006, 11:18 PM   #11 (permalink)
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it could be a possiblity, yes.....whenever there is something is wrong with the suspension, it can cause vibrations- it just depends on the extent of it


I have no real idea about the suspension though, but from what we have gathered between my mom's gen5, and a couple of my friend's is that the 4banger SE springs are (of course) stiffer than the 4banger LE springs, but the v6 LE springs are also stiffer than the 4banger LE springs, presumably due to the extra weight of the v6, and then it's presumable that the v6 SE springs are the stiffest ones available for both performance and weight

so, unless your car is the SE, there really shouldn't be any reason why your car is stiffer than your friend's

did you buy the car brand new, or used? if used, maybe the previous owner changed the springs on the car
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Old 07-27-2006, 01:06 AM   #12 (permalink)
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Quote:
Originally Posted by Eye8Pussies
it could be a possiblity, yes.....whenever there is something is wrong with the suspension, it can cause vibrations- it just depends on the extent of it


I have no real idea about the suspension though, but from what we have gathered between my mom's gen5, and a couple of my friend's is that the 4banger SE springs are (of course) stiffer than the 4banger LE springs, but the v6 LE springs are also stiffer than the 4banger LE springs, presumably due to the extra weight of the v6, and then it's presumable that the v6 SE springs are the stiffest ones available for both performance and weight

so, unless your car is the SE, there really shouldn't be any reason why your car is stiffer than your friend's

did you buy the car brand new, or used? if used, maybe the previous owner changed the springs on the car

Is a used car, I went to the workshop to check again and most properly is the spring coils. There was a same model at the workshop and we test the stiffness of both cars and found out that mine is stiffer and is lower. I have ordered the original springs to be fitted 2morrow.

Anyway, tks for yr help, will let you know whether the problem solved or not.

Last edited by Evostar; 07-27-2006 at 01:10 AM.
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Old 07-28-2006, 06:45 PM   #13 (permalink)
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I have changed the springs and the ride has improved tremendously but still have a little. Whats tires pressure of yr tires?

Last edited by Evostar; 07-28-2006 at 06:47 PM.
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Old 07-28-2006, 07:42 PM   #14 (permalink)
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well, then also- are the struts oem as well, or are they also aftermarket and stiffer?


and tire pressure is usually around 30-32 for stock spec tires
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Old 07-28-2006, 09:21 PM   #15 (permalink)
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Quote:
Originally Posted by Eye8Pussies
well, then also- are the struts oem as well, or are they also aftermarket and stiffer?


and tire pressure is usually around 30-32 for stock spec tires
All oem.
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