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Shake or Vibration Issues

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mafd2 Senior Enthusiast

mafd2

Posted
Posted

 

 

Check to see if this is happening when your AFM switches to V4 mode.... I noticed this too and was told it had to do with the engine running on 4 cylinders.

I think they are full of it. AFM transition is smooth and smooth even in 4 cyl mode and doesn't cause a vibration. My 2013 AFM was smooth as well.
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csckickass
csckickass

Well folks, I did it. After all the failed attempts at the Chevy dealer I traded it in for a 2015 Ram 1500 Larame. I have to agree with the other folks on here that have done the same thing, it was th

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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14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted (edited)

Yes, I understand that there are tolerances, and you could be close to either end of the spectrum therefore feeling something that you may not feel in another truck but GM and the dealerships have taken this normal, operating as designed, operating within the normal characteristics of vehicle design, can not duplicate crap way to far lately. It's turning into a "get out of jail free" card.

Edited by 15LTZZ71
Fishingbear Enthusiast

Fishingbear

Posted
Posted

I think they are full of it. AFM transition is smooth and smooth even in 4 cyl mode and doesn't cause a vibration. My 2013 AFM was smooth as well.

 

It' not the transition that I notice. It's more like the engine is struggling to push the truck down the road in V4 mode when going 50 mph. I notice mine more at 35mph.

  • Like 1
mafd2 Senior Enthusiast

mafd2

Posted
Posted

 

It' not the transition that I notice. It's more like the engine is struggling to push the truck down the road in V4 mode when going 50 mph. I notice mine more at 35mph.

Yea that's odd... something's not normal with that.

 

It' not the transition that I notice. It's more like the engine is struggling to push the truck down the road in V4 mode when going 50 mph. I notice mine more at 35mph.

Yea that's odd... something's not normal with that.
Hightong Enthusiast

Hightong

Posted
Posted

After taking mine in for its first oil change (8000 kilometers could not let it go any farther in my mind)talked about the vibrations to service writer.They balanced tires found one that needed rebalancing could not duplicate the v4 shake....the owners son volunteered to go for a ride (my complaint is that when the v4 has no load or slight load on the engine it really shakes) so when driving around side streets it's worse than the highway but still noticeable when not excelerating.So while side streeting it went into shake mod around 1100 rpm.he immediately said that's not right.

 

Bottom line he felt it was something in the exhaust causing this(harmonics my term)said he would send a message to gm but more than likely wait for a recall.

 

Think I'll send my own as well

Jim

  • Like 1
14silverado4.3 Enthusiast

14silverado4.3

Posted
Posted

Hightong, I am getting the same shake in V4 with my 4.3. Low speed kicks into V4, try light acceleration and bam she vibrates, have to goose gas to get it out of V4. Even get it at highway speeds. Keep us updated.

14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted

After taking mine in for its first oil change (8000 kilometers could not let it go any farther in my mind)talked about the vibrations to service writer.They balanced tires found one that needed rebalancing could not duplicate the v4 shake....the owners son volunteered to go for a ride (my complaint is that when the v4 has no load or slight load on the engine it really shakes) so when driving around side streets it's worse than the highway but still noticeable when not excelerating.So while side streeting it went into shake mod around 1100 rpm.he immediately said that's not right.

Bottom line he felt it was something in the exhaust causing this(harmonics my term)said he would send a message to gm but more than likely wait for a recall.

Think I'll send my own as well

Jim

If you put it in M5 does it still happen? M1 - M5 will keep it out of V4 mode.

14silverado4.3 Enthusiast

14silverado4.3

Posted
Posted

15LTZZ71, running in M5 keeps the AFM from engaging? I drive 25 miles one way to work everyday mostly highway. I do not drive highway in M5 so it happens then.

14SLTZ71 Enthusiast

14SLTZ71

Posted
Posted (edited)

15LTZZ71, running in M5 keeps the AFM from engaging? I drive 25 miles one way to work everyday mostly highway. I do not drive highway in M5 so it happens then.

Ok, going into V4 mode and AFM means the same thing. I was asking Jim (Hightong) though.

 

Edit: he said in his post, when driving around side streets its worse then it is on the highway.

 

Edit: Just wondering if he drives it in M5 does it still vibrate?

Edited by 15LTZZ71
PMurray Enthusiast

PMurray

Posted
Posted

My turn to join this never ending issue. Took my 2014 sierra 1500 cc ltz in for it's 2nd visit today to look at steering wheel vibrations. Problem has been there since new and had rf balancing on tires done at 500 miles, mechanic said it felt fine after. Sorry felt exactly the same, vibration starts at 45 mph and continues to 55mph but only in the steering wheel. Does anyone remember if there was a fix for this type of vibration, sorry not enough time to read through all 212 pages for ideas. Presently at 1900 miles and curious what dealer will try and say this time.

Check my posts re: rear diff. exams and replacement.

 

PMurray

51G'sPaperweight Enthusiast

51G'sPaperweight

Posted
Posted

Thanks PMurray truck is still in shop and they are looking at this. They said they had 1 like mine and replaced the rear end in it and solved the steering wheel vibration.

taps929 Enthusiast

taps929

Posted
Posted

Well, tired of my 2014 Chevrolet Viberado LT - went shopping for new trucks just to see how they ride ect ect. Came out of a 2004 Titan SE off-road, and really like the 2014 Titan Pro-4X - took it for a test ride and rides nice - so now the money issue comes up - willing to take a bit of a loss to get out of this over engineered WeebleWobble - but the dealer did something I never experienced before - they asked if I minded that they take MINE for a test ride - 2014 with 2500 miles? why? its new? I just don't like it? Hmmm... now im worried - so they come back - service guys whispers some crap to the dealer - dealer sits down and scribbles some crap - $25,000 trade in - for a 2 month old $46,000 truck. and wont budge, wont argue, wont deal. I understand some loss due to being a one owner vehicle now and all, but damn... Reason? cause " im going to have to resell that" - think the word is out boys.......

mafd2 Senior Enthusiast

mafd2

Posted
Posted (edited)

Wow.... did he feel the shake or say anything about it after driving it? What speed does the truck shake @?

Edited by mafd2
pm26 Senior Enthusiast

pm26

Posted
Posted (edited)

Well, tired of my 2014 Chevrolet Viberado LT - went shopping for new trucks just to see how they ride ect ect. Came out of a 2004 Titan SE off-road, and really like the 2014 Titan Pro-4X - took it for a test ride and rides nice - so now the money issue comes up - willing to take a bit of a loss to get out of this over engineered WeebleWobble - but the dealer did something I never experienced before - they asked if I minded that they take MINE for a test ride - 2014 with 2500 miles? why? its new? I just don't like it? Hmmm... now im worried - so they come back - service guys whispers some crap to the dealer - dealer sits down and scribbles some crap - $25,000 trade in - for a 2 month old $46,000 truck. and wont budge, wont argue, wont deal. I understand some loss due to being a one owner vehicle now and all, but damn... Reason? cause " im going to have to resell that" - think the word is out boys.......

Don't be surprised. Dealers often get suspicious when one is trading in a nearly new vehicle. Still at least $ 30k should have been the lowest offer considering the outrageous sticker prices on these trucks. And I suspect too that the word is out - they have probably seen quite a few irate customers who bought these trucks slightly used and now cannot get them fixed even though they are still under GM factory warranty.

 

GM completely dropped the ball on the quality control on these trucks it seems - now they have badly assembled differentials, transmissions, drive shafts, and poorly assembled trucks in general. Even though I own 3 GM cars and trucks, I will not buy another GM truck at this point until I see a complete turnaround. My 2013 Chevy Sonic turned out to be an excellent little car with absolutely no problems, now at 21k miles. Has never been back to a dealer even for an adjustment. Even the wheel alignment was perfect out off the factory, which is not usual for GM cars and trucks (based on my experience with other two).

Edited by pm26

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