2014 Chevy Silverado shake

Wes Verbal · Jun 4, 2016

Well I know has nothing to do with tractors but just
wanted to see if anyone on this fourm has a Chevy
with the old vibration problem at 65-70 mph?
I have one of these lemons now myself bought is
new and shake so bad at them speed. My tractors
drive better than the truck ? I have had it a dealer
more than 9 times still no fix? Anyone on here that
has one or had the same problem know of any fix ?
To me seems like it has to do with the rear or the
truck driveshaft ring pinion gear ? Maybe they install
new shocks last week but still no diff in the ride/: like
said I know has nothing to do what so ever with
tractors but just wanted see anyone one here that
has one might have found a fix ?

Russ from MN · Jun 4, 2016

I would ask them to put it up on a hoist and take the tires off and run it up to speed, if it's driveline related they should be able to find it, if not, it's probably the tires.

Wes Verbal · Jun 4, 2016

Yeah..... What I figured myself has be something on tires ? Shake bad at 65-70 and up my passenger seat shakes so bad I had a clip board in there from work other day an flew out in floor ha! But after you hit under 65 drives fine ! With no troubles ? It's not in steering wheel or anything in the front just the rear end looks like.

w1ebb · Jun 4, 2016

Something is out of balance or out of round. Is there a bent wheel, an out of balance tire/wheel combination, a gob of mud stuck to the wheel, a tire separating or goose-egged? Could be a bearing going bad. Could be a bad u-joint or the drive shaft improperly balanced or perhaps it threw it balancing weight, or is bent. Axle shaft/spindle/housing could be bent.
I don't remember if you said front or rear, but most of these possibilities would apply anyway. I can't tell you how many times that I saw a gob of dried mud make a vehicle ride badly, or a seemingly good tire slipping a belt, or pretty wheels that were out of round or bent. A wheel doesn't have to be bent much to chatter your teeth at 70 mph!
Whatever it is, good luck, and let us know what it was.

Scott

john in la · Jun 4, 2016

GM has been having problems with this in all speed ranges but as far as I know they do not know of a fix.
Some have said tires help especially with high speed vibration; others say it is the drive line or rear-end.
I even read that that the ring gear has different size teeth causing a out of balance.

With 9 trips to the dealer it might be time to look into lemon law before the warranty runs out.

Wes Verbal · Jun 4, 2016

Yeah. No mud or anything in rims or around tires etc. I know when it was at the dealership on the 4th and 5 th time they said o" we have found a out of round tire and one back bent rim so it was replaced drove somewhat ok for while then back again but it had the same vibration the whole time just not as bad ? It seems like it really only comes from the rear of the truck as that the truck seats shake and my center console as well bad ! I mean ( bad ) ): kinda depressing to pay out $30,000 for a truck that only has 12,300 miles on it and to know my tractor in road gear drives better than it and it's 50 years old ha 0-:
They have replaced the rest shocks but didn't seem to help very much? I am going to take it to a good friend of mine next week here in town that has a tire business and going let him rebalance the tire again ! And see if it works any better. So far the dealer is only place that has messed with balancing them out so maybe might help for some other place to try it. We will see how it goes I guess.👍🏻

bo1 · Jun 4, 2016

Might mean nothing but I had a rear drum way out of round and it took most of a summer to find it.
Had back brakes checked and in process of removing drum, they broke it. Put on a new one and the shaking began....redid all of the front, Cut the rear drums and new front tires. Left the Town and Country while I went to Michigan....came back and my mechanic said
"Watch this"...he put the drum on the wheel balancer and ran it up and it wobbled.Chinese made and junk. My mechanic never charged me a penny even though I offered to pay him for all the work he did. I guess he was embarrassed that he could find it right off.

Wes Verbal · Jun 4, 2016

Yep..... It's getting very old ! I hauled hah up to barn other day and seem to do ok job but still a very good shake ....
I to have seen many post about tires drive line the engine all kinds of stuff ha. Man just don't know where to really start ? I heard something while back about shims on the rear end. The dealership the only thing they do is re balance the tires again and again and tell me that should take care of it ha yeah right !!! 🙄 I'm like you the GM company and dealership if they knew a fix they would have done fixed it already. Crazy my truck only has 12.000 on it and runs like a 1926 model T that's been to Oregon and back to Tennessee ha.

47fivewindow · Jun 4, 2016

You can put a couple hose clamps on the drive shaft. Rotate the screws 90 degrees at a time and see if that changes any thing.Also get a bud to ride in the back and watch the tires and look for bouncing. Two piece shafts must be timed correctly. Good luck

Steve@Advance · Jun 4, 2016

I'm going to say tires too, or something turning tire speed, like rotor, axle, differential carrier.

Typically drive shaft vibrations happen at lower speeds and level off above 40-50 MPH. If you can get it up on a lift, run it at the worst vibration speed and look things over. Start eliminating items, start with each rear wheel, each rotor, each axle. Then work your way forward, rear drive shaft, front drive shaft...

Eventually it will show where the vibration is. I assume you have tried bringing the engine RPM up in neutral to eliminate it being engine/transmission related?

Hobo,NC · Jun 4, 2016

Looks like that's a GDI engine

The #1 issue I have seen with GDI engines is using cheap no name fuel AND the engine oil "LOW" :!: are worn out from extended oil changes...

GDI engine will break those cheap arses that believe in extended oil changes... Not saying you are one

Its a hole new ball game you are going to need a good scanner to diagnosis it... If it is GDI don't go fudgen with the fuel lines under pressure unless you want to die. You use a scanner to check fuel pressure...

Hobo,NC · Jun 4, 2016

Wrong post...

BigDanT · Jun 4, 2016

It is a problem with many of these trucks ... I have a 2015 does the same thing. Gm is aware of the issue but cannot come up with a fix. Hopefully enough guys like us will complain and they will find the cause.

Sprint 6 · Jun 4, 2016

These trucks are a major problem for GM with vibrations. The frames are too stiff and transmit all imperfections to the cab. There is also a problem with AAM rear axle assemblies in that the backlash in the ring and pinion is not consistent and is transferred by the stiff frame into the cab. This backlash problem seems to be worse with the numerically lower gear sets. It boils down to lack of real world testing and poor quality control by a supplier. I know my friends that still work at dealerships are about sick of these trucks. They are tired of not getting paid for the time involved to chase the vibrations down. Flat rate cannot be applied well to vibrations, I tried to stay away from vibrations during my time in dealer purgatory. GM did send out a new wiz bang scope to chase vibrations, but it still comes down to lack of pay.

John M · Jun 4, 2016

1000s of post about this issue on Google. The cure seems to be to have the tires force balanced or something like that. My buddy found his driveshaft wasnt built right, and had to be reclocked, and another completely replaced everything on the rear end of his with aftermarket parts. I have a 2013 and its my last GM truck.

jturbo10 · Jun 5, 2016

This is not a recent problem. I was the service, parts, and body shop director for a GM dealership in 1997. We had lot of vibration problems with the new Chevy trucks, especially heavier duty 4 wheel drive pickups. GM technical support did not have a workable solution but suggested we try to fix the problems by changing out shocks, tires, rear suspension components, etc. Every truck was different but generally we had the best luck with better quality tires and shocks. The worst vibrations did occur in the 60-65 mph range which seems to be some kind of harmonic balance problem with the complete drive system. GM never seemed too concerned with tweeking the frame and suspension components even though it was a statistically significant issue brought up at every regional meeting. We even had buyers who returned their new truck and bought back their trade-ins. Our mechanics spent a lot of time riding in the truck bed trying to figure out what was going on. GM lost a lot of customers in our area to Fords. We had the same GM issue with the "clunking" drive shaft on our pickups and Suburbans. We knew that issue was caused by the drive shaft catching on the splines when brake torqueing/binding caused it not to slide on the splines and then it would release and hit transmission input shaft. If you kept it lubed up with a good grease it would stop the "clunking" for a period of time. We also put "super balls" in the drive shaft coupling to dampen the impact but that was only an intermittent solution. Hard to believe the 65 mph vibration is still a problem after 20 years. We kept an expensive set of Michelin's tire sets at the dealership to put on the "vibrating" p/u's before we started wasting a lot of time trying to figure out a workable solution.

Wes Verbal · Jun 5, 2016

I had a 2007 2500 Hd in 2010 loved that truck and bought a 2011 4 door 2500 then and never had any trouble at all with vibrations? But did a trade in on this one I have now and very depressing /: and upset with GM with this truck ! I think maybe next few weeks may look into a trade in for ford ....... My dad always was a Chevy man his 2500 1999 model still in amazing shape only has 78,000 on the OD I think one best truck years they made. I would take it any day over this 2014. Every time I went back to dealer service department they would say " this is a old problem " but seem they could never find fix? You think if you where going to build a truck that was $30,000 it would at least drive somewhat ok without any problems . I can put a water bottle in the center console and when you hit 65 (( whack shake pop )) about flys out into the cab /: how crazy it would be to get killed by flying water bottle while driving down highway ha ! O....... Well , I guess I'm one of the 200,000 that's got a real good (( lemon )) or course I guess didn't help GM any that they moved half of the plant build to Mexico.

MarkB_MI · Jun 5, 2016

A little googling brings up the service bulletin on this problem. Incorrect rear differential backlash is one of several root causes listed in the SB. It also suggests changing shocks on Z71 trucks, but only AFTER the root cause has been identified and fixed. It could be the dealer is skipping to the end, because the steps to nail down the root cause are not at all easy to perform.

Here's the service bulletin: <a href="http://autoguide.com.vsassets.com/blog/wp-content/uploads/2016/03/PI1354C-GM-Truck-Vibration-Information-Bulletin-1.pdf">http://autoguide.com.vsassets.com/blog/wp-content/uploads/2016/03/PI1354C-GM-Truck-Vibration-Information-Bulletin-1.pdf</a>

I found the SB in the article, which has additional information: <a href="http://www.autoguide.com/auto-news/2016/03/the-mysterious-chevy-shake-is-affecting-pickup-trucks-now-too.html">http://www.autoguide.com/auto-news/2016/03/the-mysterious-chevy-shake-is-affecting-pickup-trucks-now-too.html</a>

I suggest you sit down with the service manager at your dealer and ask him to explain which of the SB tests he's performed, if any.

Sprint 6 · Jun 5, 2016

Good luck getting a service manager to spell out what they have done. Most service managers employed at dealers now only know where the key and gas go. That bulletin is not going to be performed to the letter at a dealer because GM is basically having the tech do an engineering investigation that is way above their pay grade. To do that bulletin would require spending at least a full day dedicated to one vehicle, but the tech will be lucky to recoup 2 hours pay for all the time wasted.

MarkB_MI · Jun 5, 2016

>Good luck getting a service manager to spell out what they have done. Most service managers employed at dealers now only know where the key and gas go. That bulletin is not going to be performed to the letter at a dealer because GM is basically having the tech do an engineering investigation that is way above their pay grade. To do that bulletin would require spending at least a full day dedicated to one vehicle, but the tech will be lucky to recoup 2 hours pay for all the time wasted.

That may well be true, but does he want to get his truck fixed or just let the dealer throw parts at it until he gives up and goes away? GM says this is what you have to do to fix the problem, and it's not the customer's fault if the dealer isn't willing to do it. If it takes a Lemon Law claim to get his truck fixed, well that's what it takes.

Sprint 6 · Jun 5, 2016

Unfortunately, in the dealer world, techs are only paid to put on parts. Time wasted diaging is time not usually paid for at clock time. GM puts no value on diag time. OP needs to squeal above dealer's head to hopefully get a Field Engineer involved, they get paid for this kind of work directly by GM.

rankrank1 · Jun 5, 2016

Is this problem truck a 1500 or 2500 series?

2014 would have been the first year of the newest body style for a 1500 series.

On a 2500 series the newest platform did not occur until 2015.

I could see a few issues in the first year of production happening on a 2014 1500 but pretty sad if the issue is still lingering on trucks that have been produced for several years like would be the the case on a 2014 2500.

rustyfarmall · Jun 5, 2016

I own a 2001 K3500. Bought it new. Never experienced a vibration problem of any kind. Also own a 2012 K1500, purchased new. Never a problem with that one either.

MN Scott · Jun 5, 2016

My 2008 2500HD extended cab has a vibration at 60 to 70 mph. Feels like a u joint or driveshaft issue. I bought the truck used with 25000 miles on it. Sounds like I'm not the only one with an issue. I guess that's why ford has had various odd shaped chunks of iron bolted to various components on their vehicles over the years, vibration tuning.

gab · Jun 5, 2016

I have a 2013 Z71, 29000. I've driven it up to about 80 and no vibration, love that truck.

GordoSD · Jun 5, 2016

I don't understand the 9 trips to the dealer either. I would take the truck back to the dealer, give him your phone number, and tell him to call you when they have tested it and it has no vibratuion. And make them give you a 2014 loaner. If it drives OK just keep it.

Wes Verbal · Jun 5, 2016

From what I've heard it's just the 2014 to 2015 year
models !

Wes

Wes Verbal · Jun 6, 2016

Ok..., so I started looking around my truck so they replaced shocks and some kind of mount hanger crap ? Anyways I seen someone on here state about adding a band clamp to area on drive shaft ? So this mornin I made my track to work up the highway at 70 mpg guess what no vibration ! 🤔Until I started to hit Cruze control and pop ! There was but not as bad I don't think ? I shakes now but goes away every 6 to 7 sec? Heck bears me ? So I'm thinking it's either drive shaft or there might be a bent rim some place ?

MarkB_MI · Jun 7, 2016

Getting a shake when you hit the cruise control would tend to implicate the ring and pinion. Drive shaft or wheel shake would likely be constant regardless of throttle position.

The service bulletin I posted a link to suggests driving with the rear propshaft out if you have a four-wheel drive truck to eliminate the driveshaft.

In order to pin down the root cause, the first thing that has to be done is to determine the frequency of the vibration. If the dealer hasn't bothered to do that, they're just swapping parts and you'll never get your truck fixed. Show them the service bulletin. Ask them if they've put a scope on your truck as called out in the procedure. That scope costs close to three grand; if they're a small dealer they may not even have one. But that's the only way the problem is going to be isolated.

2014 Chevy Silverado shake

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