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Hyundai Sonata Shaking Problems

15 messages,  Last post on Aug 15, 2010 at 7:27 PM

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What is this discussion about? Hyundai Elantra, Sedan

Messages Page 1 of 2

#1 of 15 Shaking Problems by eyedea40

Sep 18, 2006 (7:08 am)

My 99 Hyundai sonata shakes when I reach speeds of 65 mph at about 70 it stops does any one know what could be causing this ? There is no hesitation in the engine it feels smooth when a press on the accelerator could this issue be tire related I have had the car for 3 yeas and have never balanced or rotated my tires.

#2 of 15 Re: Shaking Problems [eyedea40] by ray_h1

Sep 18, 2006 (5:52 pm)

Replying to: eyedea40 (Sep 18, 2006 7:08 am)
I think I would start with balancing and rotating the tires before looking into anything else. Also, ask the tech to manually rotate the wheels while they're on the balancing machine to look for "wiggly" tread in motion. If present, that would indicate the tread belts have shifted internally from the carcass - If present, probably damage from underinflation/overheating and definitely time for replacement(s).

#3 of 15 Re: Shaking Problems [ray_h1] by bhmr59

Sep 18, 2006 (7:00 pm)

Replying to: ray_h1 (Sep 18, 2006 5:52 pm)
Also, uneven tire wear over many miles of improper inflation or balance could mean the tires should be replaced. (high & low spots in the tread)

#4 of 15 Re: Shaking Problems [eyedea40] by rivergirl5

Jan 20, 2007 (9:47 am)

Replying to: eyedea40 (Sep 18, 2006 7:08 am)
I have the same problem with my 99 sonata...but its when I go 50 and when I go down hill it does not do it???? but I do need new tires...I had a complete tuneup so there was no problem there/??
HELP

#5 of 15 Re: Shaking Problems [rivergirl5] by cableguy06

Jan 20, 2007 (11:56 am)

Replying to: rivergirl5 (Jan 20, 2007 9:47 am)
As was presented earlier, take your car to a tire shop and have them look at the tires carefully for any belt slippage or uneven wear. Typically this is a tire issue and has absolutely nothing to do with a tune up. If the tires look ok and the shop does not feel they need replacement, then have them high speed balanced.
 
In addition, do you have steel wheels or alloys? Did you or someone hit a curb that may have thrown your rim out of round/balance?
 
This shouldn't be to difficult to figure out

#6 of 15 Re: Shaking Problems [cableguy06] by rivergirl5

Jan 21, 2007 (7:12 am)

Replying to: cableguy06 (Jan 20, 2007 11:56 am)
Ok thanks cableguy...will take it in tomorrow to check the tires..

#7 of 15 Re: Shaking Problems [rivergirl5] by cableguy06

Jan 21, 2007 (7:54 am)

Replying to: rivergirl5 (Jan 21, 2007 7:12 am)
rivergirl5 - let us know the outcome of what you find.
 
Best of luck and have a great week!

#8 of 15 Re: Shaking Problems [rivergirl5] by doohickie

Jan 22, 2007 (10:25 am)

Replying to: rivergirl5 (Jan 21, 2007 7:12 am)
It probably is just a balance issue that can be solved with a simple wheel balance. If not, it could be a bad tire or bent rim as was stated earlier. Tires need to be rotated regularly (about every 6000 miles) to get even wear. My wife had a set of tires once that she never bothered to rotate and they were shot after 25,000 miles. She rotates religiously now, and got 70,000 miles on her last set of tires.
 
If it isn't any of that "normal" stuff, it could be that you need to get your tires balanced by a machine that takes into acount Radial Force Variation (or Road Force Variation). The Hunter company makes these machines (the GSP9700 balancer) and you can find which shops have the Road Force balancing machines by clicking here, then clicking on "Locate a GSP9700".
 
Another thing that can cause wheel vibration is an out-of-balance disc brake rotor. This can be fixed by putting on new rotors or possibly by balancing the existing rotor.

#9 of 15 2001 Sonata by prosource1

Jan 22, 2007 (8:23 pm)

Previous Hyundai's had suspension and especially bad tie rod and bushing issues. We had those but new ones, acccording to our neighbor who has had a 2003 and a new 2006, have been good

#10 of 15 Shaking by kimmieg79

Jan 31, 2007 (11:12 am)

Hello!
 
  i have the same problem with my 1999 ELantra. i got new tires and had tehm roated and balanced and it shakes when i hit 55 miles. and when i break. the rims arent bent either. im not sure what to do. i really dont know anything about cars and i dont want to bring it into the mechanic and get screwed without even knowing what im looking for. any advice would be appreciated

Messages Page 1 of 2

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