Jerky/Vibrating situation when exceed 80 kmph - GMC Envoy

posted by User

when i reach 80/90 kmph, i can feel some jerky/vibration condition. When i did the computer checkup from Alghanim bumper to bumper, they couldnt identify the issue. The mechanic roughly adivsed me it might be problem with the Ignition Coils. I changed them but though still the jerk/vibration still exists.

My vehicle is GMC Envoy 2008. Kindly, please do let me know if anyone knows a good GMC Envoy mechanic.

thanks,

Like 0   DisLike 1
Posted On 12/21/2018 8:15:55 PM by JV

Hi User,

You definitely need to check your tires. One or more of your tire threading must have gone bad.

Posted On 12/21/2018 10:41:12 PM by R

First check tyre pressure, then get wheel balancing and alignment done. Get your discs (of the brakes) scrubbed on the lathe.

Post your reply after you get these things done.

Posted On 12/22/2018 2:00:06 AM by tom

Check your Lower arm bush and upper arm bush, most probably they are worn out
also if the tires/alignment are old you will feel jerks. if all are good and still feel jerk it must be your cam shaft problem

Posted On 12/22/2018 9:02:46 PM by AN

You can go to sharq near to behind AlMailam spare parts shop. Its a tire balancing garage name is 2000. they do everything. Indian guy. He is an expert in everything.

Posted On 12/22/2018 10:13:01 PM by R

If the problem isn't solved after wheel balancing/alignment and scrubbing of discs check your spark plugs. Old and loose spark plugs cause jerky acceleration. These are low cost checks, now if the problem still persists, go with what the others have advised.

American vehicles are notorious for repairs after 10yrs/100,000 KMs.

Posted On 12/22/2018 11:14:36 PM by User

thanks a lot my Colleagues. i will keep you updated.

Posted On 12/23/2018 7:55:35 AM by User

I went to the Garage 2000 and have checked the lower and upper arm bush. As they were not in a good status i replaced them. As well as the tires are okay as they checked them as well. Still i can feel that jerky/vibration while i reach 80 - 90 kmph. I m not sure whether its related to some gear shifting issue. Planning of going to beheabahani GMC garage. (Note: two days back only i replaced the spark plugs as well)

Posted On 12/25/2018 11:50:04 PM by DEB DALBEHERA

If you have not gone to Behbahani try the services of Mr Alam Mob No.90002048.He specializes in American Vehicles.

Posted On 12/26/2018 1:53:44 AM by Shyam

Even I faced same issue. My car is 2017 made. It happened most of the cars in my company. Due to recent rain, mud stuck underneath many parts. Do good under wash of your car. My cars issue solved in this way.

Posted On 12/26/2018 3:43:16 AM by NMK

Since you have done every suspension&tire related checks possible its safe to say that both are not the issue. You could check the Wheel Hub Bearings as it may have gone bad.

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