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Shake or Vibration Issues

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Victoria New Member

Victoria

Posted
Posted (edited)

I am also experiencing some shaking with my 2018 Silverado I thought it needed an wheel alignment, so, i got that taken care off but didn't help.  So today I got another alignment done again.  Now it has a hard jerk when press on gas at stop light to go.  Need help any recommendation would help.

Edited by Victoria
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csckickass
csckickass

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mafd2
mafd2

Apparently you and the other customer reps don't care. If you or GM would care y'all would put more effort in the matter. Just coming on the forum and stating the same repetitive posts and being a 3

DALaws
DALaws

Well I have some good news and bad news about my truck vibrations. Good news is that my truck has a significantly less vibration at speed. The bad news is my truck has significantly less vibration. Fo

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Pinnacle Enthusiast

Pinnacle

Posted
Posted
4 hours ago, Victoria said:

I am also experiencing some shaking with my 2018 Silverado I thought it needed an wheel alignment, so, i got that taken care off but didn't help.  So today I got another alignment done again.  Now it has a hard jerk when press on gas at stop light to go.  Need help any recommendation would help.

you need a new torque converter 

Shu Enthusiast

Shu

Posted
Posted
9 hours ago, Victoria said:

I am also experiencing some shaking with my 2018 Silverado I thought it needed an wheel alignment, so, i got that taken care off but didn't help.  So today I got another alignment done again.  Now it has a hard jerk when press on gas at stop light to go.  Need help any recommendation would help.

 

Might check the upper control arm frame bolts.  They loosen those to do the alignment.  If those are not torqued down properly, they can move and clunk when taking off or stopping, etc.   Since this is the last thing done just before you started experiencing this clunk, then I'd start there.  

Snoringbear Enthusiast

Snoringbear

Posted
Posted
On 11/26/2020 at 4:14 AM, Pinnacle said:

you need a new torque converter 

Yeh, there’s a TSB that’s been out awhile calling for three flushes with Mobil 1 Blue Stripe tranny fluid, filter change, reprogramming.  Some folks have had good luck with this.  I had it done on my 2015 8 spd, helped some but not completely.  But, your dealer will probably want to try this before changing your torque converter.  Sorry to learn the slow speed shift problem still exists.  Should’ve been corrected by your 2018.

Marshall_13 Enthusiast

Marshall_13

Posted
Posted (edited)

Hello, I'm not sure if this is the right thread to post this to but ill give it a shot. 

 

I have a 2018 silverado 5.3L with the 6-speed transmission. The truck only has about 16,000 miles on it and is still under warranty. The problem just recently started within the last few thousand miles or so but when traveling on the interstate between 78-82 mph (Yes, very specific speed) and goes into v4 mode the truck makes a constant shuddering noise (not sure what else to call it) and there is a slight vibration in the steering wheel but goes away once it goes back into v8. Its honestly not that bad but it doesn't do it at any other speeds when in v4 and can get annoying when traveling long distances on the interstate. Once back into v8 its totally fine and smooth. I know the range afm disabler fixes this and I will likely purchase this in the future but would like to see if there is a factory fix the dealer can do since the truck still is under warranty and has low miles. Id like to see if anyone else had this issue and if it was fixed by their dealer. 

 

I have cruised at other speeds from under 75 mph and over 85 mph and it doesn't do it which I find weird as most people on here experience it at a variety of speeds. 

 

 

Thanks!

 
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Edited by Marshall_13
Vitaly Antonov Enthusiast

Vitaly Antonov

Posted
Posted

I have a 2019 Sierra SLE (new Gen.) with 9k miles on it. 

Have the same shuddering/jerking issues with their 8 speed tranny as everybody else 

Had the tranny fluid replaced and flushed... problem is still there.

Brought to service a 5th time, looks like the torque-converter is the next thing they'll be replacing.

Did you notice any change if and when you had torque converter replaced?

  • 1 month later...
flyingfool Senior Enthusiast

flyingfool

Posted
Posted

if someone can post up your trucks file in HPTuner format , i would love to look at the TCC schedule on the A8/A10 transmissions.

 ever since i Disable the TCC on my A6 i have zero shakes,clunks or lugging

flyingfool Senior Enthusiast

flyingfool

Posted
Posted
On 11/29/2020 at 5:20 PM, Marshall_13 said:

Hello, I'm not sure if this is the right thread to post this to but ill give it a shot. 

 

I have a 2018 silverado 5.3L with the 6-speed transmission. The truck only has about 16,000 miles on it and is still under warranty. The problem just recently started within the last few thousand miles or so but when traveling on the interstate between 78-82 mph (Yes, very specific speed) and goes into v4 mode the truck makes a constant shuddering noise (not sure what else to call it) and there is a slight vibration in the steering wheel but goes away once it goes back into v8. Its honestly not that bad but it doesn't do it at any other speeds when in v4 and can get annoying when traveling long distances on the interstate. Once back into v8 its totally fine and smooth. I know the range afm disabler fixes this and I will likely purchase this in the future but would like to see if there is a factory fix the dealer can do since the truck still is under warranty and has low miles. Id like to see if anyone else had this issue and if it was fixed by their dealer. 

 

I have cruised at other speeds from under 75 mph and over 85 mph and it doesn't do it which I find weird as most people on here experience it at a variety of speeds. 

 

 

Thanks!

 
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  •  

shutt down your TCC in1-4th gear and you'll really enjoy the truck even more.  makes it feel like it has a higher stall converter and many other benefits

Shu Enthusiast

Shu

Posted
Posted
9 hours ago, flyingfool said:

shutt down your TCC in1-4th gear and you'll really enjoy the truck even more.  makes it feel like it has a higher stall converter and many other benefits

How is this done?

flyingfool Senior Enthusiast

flyingfool

Posted
Posted
1 hour ago, Shu said:

How is this done?

with HPTuners. need to order an MDI2 or find a cheap used MDI1, if your not computer literate find a local tuner in your hood, if your truck is 2016 and older and just pay for the credits to access your Truck from HPt

 

the  2017 and newer trucks will require you unlock the TCU for $$$$1000-1800

 

have the tuner copy what Richard Wardell posted under his YT page on tuning out the TCC on a 6l80

Marshall_13 Enthusiast

Marshall_13

Posted
Posted
20 hours ago, flyingfool said:

shutt down your TCC in1-4th gear and you'll really enjoy the truck even more.  makes it feel like it has a higher stall converter and many other benefits

I haven't thought of this, I have thought about purchasing the range technology device that plugs into the obd port but have held off. I just took it to my local dealer since the truck still has a substantial amount of warranty left on it. They said since my particular truck has the 5.3L with the 6 speed tranny it is very unlikely it is the torque converter, it is more common with the 8 speed trannys. The are going to replace the entire exhaust from engine manifold on back. They claim there is a valve/flap in the exhaust that might get stuck and cause this shudder/vibration at these speeds. Since its free I guess I don't really care but I'm definitely doubtful this will fix it. The next possible solution sounds like a fluid flush of the tranny and replacing it with something different.

flyingfool Senior Enthusiast

flyingfool

Posted
Posted (edited)
15 hours ago, Marshall_13 said:

I haven't thought of this, I have thought about purchasing the range technology device that plugs into the obd port but have held off. I just took it to my local dealer since the truck still has a substantial amount of warranty left on it. They said since my particular truck has the 5.3L with the 6 speed tranny it is very unlikely it is the torque converter, it is more common with the 8 speed trannys. The are going to replace the entire exhaust from engine manifold on back. They claim there is a valve/flap in the exhaust that might get stuck and cause this shudder/vibration at these speeds. Since its free I guess I don't really care but I'm definitely doubtful this will fix it. The next possible solution sounds like a fluid flush of the tranny and replacing it with something different.

THERE IS NOTHING WRONG WITH THE TORQUE CONVERTERS, the software is over cycling the TC and overheating the clutch mechagnism, overheating the transmission pump, sending metal debris thruout the system destoying the tranny all while your under warrantee, . soon as warrantee is up the damage is done. and you just buy a new truck or tranny

if you purchase the HPT MVPi2 it can fix your trans issues and you can disable the DOD, increase idle speed to 650-700 rpm, adjust your cooling fans for optimum temp control, correct the tcc issues and do many more things like shift point adjustments. cost you $400-700 for the interface with credits to tune pre-2017 truck find a used MVPi1 for $100-200 on ebay is even better deal

 

https://www.summitracing.com/parts/hpt-m02-000-04?rrec=true

 

I left the flapper installed on mine, i just bolted in the wide open position so its not blocking exhaust flow

Edited by flyingfool
  • 1 month later...
JMC65 New Member

JMC65

Posted
Posted

I purchased 2014 Silverado last spring, 83k miles. What a journey it has been. Did not notice the vibration on test drive. Chevy Shake and 4 cylinder mode shutter. (these are two separate issues). Also rough shifting. I'd like to share what modifications and upgrades I made that worked for me after much research and trips to the dealer. 

1. Road Force Balance. $0 by dealer

2. Hydrolic steering bushing $450. 1/2 price by dealer. Helped a little.

3. Custom steel drive shaft $400 installed by me (easy). This made huge difference! Chevy shake all but gone, 90%.

4. Range AFM Disabler. $175. No more 4 cylinder mode. No more shutter. No more burning oil. This is a no brainer.

5. Transmission tune up and inspection . Filter change and flush. $150. No more hard downshift. Still not crazy about the way it shifts overall but both dealers and trans specialist confirmed all normal for this truck, no issue.

 

Truck drives great now since all above work done last summer. Starting to like it again. I got a great deal on this truck so for me the additional expenses are still under book value. 

 

I hope this helps anyone experiencing same issues and saves you some time. 

 

 

  • 2 weeks later...
Gofas Enthusiast

Gofas

Posted
Posted

Oh f*
Truck shaking again at 65 and over with new tires. This time alignment didn’t work and several balance attempts.

remember I had driveshaft spin and universal joint repair awhile back.  
continental all terrains stock 265/65/18. 

BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

There is a recall on some Continental tires. You may want to check the list.

Sent from my SM-N975U using Tapatalk

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