Shake or Vibration Issues

[MJFlores]

I was under my truck this am looking at the flapper exhaust valve and noticed my drive shaft sitting there. It appears marked, and there's what looks like a spot welded on weight on it, and well as the yoke or what ever it is that the shaft slides into before going into the rear end. It appears there was some effort there to balance the shaft and the yoke. I also can now see the ripples in the sidewalls of the tires and you can really feel them when you run your had on them. I think these GY tires are junk and are likely the cause of all my vibration issues. Here's a pic of the shaft and yoke. I also see a "made in Canada" stamp under there...how can we tell where these trucks were made? Can you tel by the VIN? Also, cant really tell but my drive shaft appears to be steel and not aluminum but I'm not really sure on that. My truck was made in Dec 13.

[Silverado-Hareek]

I was under my truck this am looking at the flapper exhaust valve and noticed my drive shaft sitting there. It appears marked, and there's what looks like a spot welded on weight on it, and well as the yoke or what ever it is that the shaft slides into before going into the rear end. It appears there was some effort there to balance the shaft and the yoke. I also can now see the ripples in the sidewalls of the tires and you can really feel them when you run your had on them. I think these GY tires are junk and are likely the cause of all my vibration issues. Here's a pic of the shaft and yoke. I also see a "made in Canada" stamp under there...how can we tell where these trucks were made? Can you tel by the VIN? Also, cant really tell but my drive shaft appears to be steel and not aluminum but I'm not really sure on that. My truck was made in Dec 13.

 

The sticker inside your driver door will tell you the build location of your truck. Your drive shaft definitely looks different than mine. Mine is silver, which I guess means it's aluminum. Build date on mine is September 2013 in Mexico. After seeing some of the vibration videos posted here I can say my truck definitely does not exhibit that kind of a heavy vibration. Just a slight vibration/shake in the steering wheel that I think is tire related as well.

[MJFlores]

Just checked the inside of my door and it says "Fort Wayne Assembled"...so 'm guessing my truck was made in Fort Wayne..Iowa? Like I said, I have the Fort Wayne sticker, and underneath there's a Canda sticker so my tuck is either made here or there. From what I can determine, there are welded on weights so it seems things were balanced and assembled correctly. I'm getting a lot closer to biting the bullet and buying new tires. My gut thinks that's the sorce of a lot of people's problems.

 

I agree...my vibration is nothing like that video that was posted...that's pretty rough!

[fondupot]

Crew cabs were assembled in Mexico

 

Double cabs assembled in Fort Wayne.

[Silverado-Hareek]

Just checked the inside of my door and it says "Fort Wayne Assembled"...so 'm guessing my truck was made in Fort Wayne..Iowa? Like I said, I have the Fort Wayne sticker, and underneath there's a Canda sticker so my tuck is either made here or there. From what I can determine, there are welded on weights so it seems things were balanced and assembled correctly. I'm getting a lot closer to biting the bullet and buying new tires. My gut thinks that's the sorce of a lot of people's problems.

 

I agree...my vibration is nothing like that video that was posted...that's pretty rough!

 

Yeah I'm back and forth between trying to work with the dealer for new tires or just spending the money on something nice like Michelins that I think will fix the problem. It's just tough to swallow the idea of buying tires on a new vehicle with only 3,500 miles. If I decide to buy tires though I'm going to wait until the winter and then get some all terrains. I figure at least wear these crappy ones out a little longer while the ride is tolerable and save a little money at least.

[Dnt]

I took mine in to the dealer to have the tires balanced. It seems to have helped a little but I really think theses OEM tires are very poor quality. Service guy said they would consider swappping the tires out for a set of Michelins but I have to pay the cost difference and mileage for the GY's which now have around 11k. I can straight out buy a set of Michelins for around 1100 They are supposed to call me back in the next couple of days to let me know how much. If it is around 1/2 the cost of a new set I am going to do that I think. The GY's are getting worse as they get mileage on them. I understand this is a truck and maybe should not ride like a Big Ole Cadillac but man why should it beat you up when driving it especially since the sticker was over 50k!!!!!!! 2014 Sierra SLT CC Z71 4x4 20in wheels... Worst thing I have noticed is the GY's seem to flat spot if they sit for a few days they are really rough (feels like a SQUARE tire LOL) for the first 5 to ten miles until they warm up then they get slightly better.

[chuckl1218]

That flat spot feeling is the same reason I changed from Continentals to Michelin. All great now.

Edited June 2, 2014 by chuckl1218

[355HP Z71]

I have the Bridgestone duelers LT rated tires on my truck . No issues at all. Seems like a lot of issues with the goodyears ?

[bowflygsp]

Here's an update on my truck.

 

I had the vibration around 35-50 mph, especially during coasting/deceleration.

The dealer originally told me it was due to the AFM switching from V8 to V4 mode.

They also blamed the Bridgestone LT tires that I had replaced the Goodyears with.

 

On the second visit, I explained to them that when the transmission was left in M5 mode, it had the same 35-50mph vibration even though the AFM stayed in V8 mode.

The shop foreman then claimed they couldn't troubleshoot it anymore because of the LT tires.

After some heated discussions, the shop foreman walking away & refusing to work on my truck, and me discussing with the service manager that I wanted to speak to the regional service rep and the dealership manager, they decided they would look at it again.

 

Overall, they had the truck for over two weeks on this second visit and, according to the service report, this is what they did:

Swapped tires with FIVE other trucks.

Swapped prop shaft with another truck.

Found rear end ring & pinion was 0.001" out of spec.

Installed new ring & pinion.

 

I picked up the truck last Tuesday and have put about 500 miles on it since.

The 35-50 mph vibration is gone.

Highway speeds seem to be pretty smooth.

Again, I do have LT tires on it so I do feel the road a bit, but I can't complain about that.

 

Overall, I wasn't happy about the process I had to go through to get this taken care of, but, as of today, I am satisfied that the issue is gone.

Just thought I'd post a success story on here; doesn't seem to be many of them.

Edited June 3, 2014 by BowFlyGSP

[kazaman]

Here's an update on my truck.

 

I had the vibration around 35-50 mph, especially during coasting/deceleration.

The dealer originally told me it was due to the AFM switching from V8 to V4 mode.

They also blamed the Bridgestone LT tires that I had replaced the Goodyears with.

 

On the second visit, I explained to them that when the transmission was left in M5 mode, it had the same 35-50mph vibration even though the AFM stayed in V8 mode.

The shop foreman then claimed they couldn't troubleshoot it anymore because of the LT tires.

After some heated discussions, the shop foreman walking away & refusing to work on my truck, and me discussing with the service manager that I wanted to speak to the regional service rep and the dealership manager, they decided they would look at it again.

 

Overall, they had the truck for over two weeks on this second visit and, according to the service report, this is what they did:

Swapped tires with FIVE other trucks.

Swapped prop shaft with another truck.

Found rear end ring & pinion was 0.001" out of spec.

Installed new ring & pinion.

 

I picked up the truck last Tuesday and have put about 500 miles on it since.

The 35-50 mph vibration is gone.

Highway speeds seem to be pretty smooth.

Again, I do have LT tires on it so I do feel the road a bit, but I can' complain about that.

 

Overall, I wasn't happy about the process I had to go through to get this taken care of, but, as of today, I am satisfied that the issue is gone.

Just thought I'd post a success story on here; doesn't seem to be many of them.

What was your trucks build date? Mine was assembled July 2013 in Ft. Wayne, Indiana , and I have similar vibrations (3.08 gears). Perhaps this is where my problem is also. Did they reinstall your original prop shaft?

[Stex]

Bowflygsp: did the dealer ever apologize for trying to run you off and then oh we fixed it bs they pulled.

[fondupot]

Here's an update on my truck.

 

I had the vibration around 35-50 mph, especially during coasting/deceleration.

The dealer originally told me it was due to the AFM switching from V8 to V4 mode.

They also blamed the Bridgestone LT tires that I had replaced the Goodyears with.

 

On the second visit, I explained to them that when the transmission was left in M5 mode, it had the same 35-50mph vibration even though the AFM stayed in V8 mode.

The shop foreman then claimed they couldn't troubleshoot it anymore because of the LT tires.

After some heated discussions, the shop foreman walking away & refusing to work on my truck, and me discussing with the service manager that I wanted to speak to the regional service rep and the dealership manager, they decided they would look at it again.

 

Overall, they had the truck for over two weeks on this second visit and, according to the service report, this is what they did:

Swapped tires with FIVE other trucks.

Swapped prop shaft with another truck.

Found rear end ring & pinion was 0.001" out of spec.

Installed new ring & pinion.

 

I picked up the truck last Tuesday and have put about 500 miles on it since.

The 35-50 mph vibration is gone.

Highway speeds seem to be pretty smooth.

Again, I do have LT tires on it so I do feel the road a bit, but I can' complain about that.

 

Overall, I wasn't happy about the process I had to go through to get this taken care of, but, as of today, I am satisfied that the issue is gone.

Just thought I'd post a success story on here; doesn't seem to be many of them.

 

Glad you got it fixed.

[anthony2558]

Mine never got fixed and when my original sales man blew me off for asking about GM Buyback and Lemon Law info I left and picked this up.....

 

 

So if anyone is interested I have a corsa sport exhaust for sale. Fits double cab standard bed.

 

Sent from my XT1053 using Tapatalk

Edited June 3, 2014 by anthony2558

[Pinnacle]

The 5.0L would have been the better engine choice, but whatever. This makes you number 9 on the "trade my new 2014 gm for the competition list" that I know of. Brutal!

[Pinnacle]

Jennifer T., Gregory and the rest of the "GM Customer Care" gang take a look at these posts(I have more on other sites) of people trading in their new 2014's and relate that your supervisors.

Edited June 3, 2014 by Pinnacle