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Vibrations diagnosed and fixed ?

OmahaBen

By OmahaBen
in Troubleshooting & Recalls

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BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

No, I didn't replace the bearings. They seemed fine when I was inspecting them. I did replace the seals though. Does yours have the rear end shake? My shake was coming from rear end and I never felt in the steering wheel.

Yeah I got the rear shake. Had it running on jack stands and I could see the left side wheel doin a dance. Switched wheels and same thing.

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MRW412
MRW412

2015 Chevrolet Crew Cab 5.5' Bed 5.3L 6-Speed 3.42 70+ mph   Solutions: Driveshaft rebalanced, roadforced balanced all 4 tires, & front end alignment by independent shops. Better but still

OmahaBen
OmahaBen

I would like to document in one thread the solutions/fixes to vibration vs sifting and reading through 6000 posts. Please stay on topic.   Please state   Year 2014/2015 Make, Chevy or GMC Cab,

afireinside7444
afireinside7444

Chevy. 5.3 CC Short bed 4x4 z71 3.08 6 speed. It was a 70mph+   98% fixed by multiple sets of tires and RF balancing. Now i only notice a tiny tiny vibe after long 80mph drives. I have to be looking

JamesP413 Enthusiast

JamesP413

Posted
Posted

Sounds like a problem with an individual not the brand. Welcome to the forum and good luck with your truck. I have been a GM fan for many years and have never experienced this vibration issue on a new truck. Some of my older vehicles have had vibration at higher speeds but always fixed with tires & balance. It wasn't too long ago when 8 ft. box's were the most common sight. Now they stand out. Any pics?

Individual?
JamesP413 Enthusiast

JamesP413

Posted
Posted

Service manager

Yes the service manager was fired for unknown reasons.The dealership ended up going through GM protocol steps and eventually something to do with the front end was inspected and replaced(bushings).Has improved significantly,sad to say the vibe ration is rather minimal now.But still present.I just ordered new 18" aluminum wheels and will be having them mounted next week along with new tires.Hopefully this helps.Most likely purchasing Firestone destination A/T's.Have to be much better than the stock steel wheels and 17" Bridgestone duller tires.Crossing my fingers!

Service manager

  • 4 weeks later...
BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

2015 Chevrolet

Crew Cab

5.5' Bed

5.3L

6-Speed

3.42

70+ mph

 

Solutions: Driveshaft rebalanced, roadforced balanced all 4 tires, & front end alignment by independent shops. Better but still there.

Replaced both rear axles shafts with Yukon Gear axles, vibration free since

So I guess everyone is changing their axles. I ordered these on 8/23 and they are back ordered to 9/29.

Hoping these cure my shakes.

BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

Axle shaft 22943112 for the 9.5" diff $376 list each

YA G15812663) Yukon gear @ Summit racing $256 each.

 

 

Sent from my SM-G935V using Tapatalk

  • 2 weeks later...
EFLine Enthusiast

EFLine

Posted
Posted

2014 Sierra

Crew Cab

5.5 Bed

5.3L

6-speed

3.42

74+

60,000 miles

 

Drove about 1,000 miles this weekend and with speed limit at 70MPH I was in the speed spot for the vibrations. Do not feel it in the steering wheel as that is rock solid. But the seats are shaking bad and if you put your head against the head rest, you'll get an instant head ache. Definitely notice it between 74 and 82 mph.

 

Going to be ordering the Yukon Axles and Bilstein 5100's and will report back.

 

Tried new tires, RF balance, rotations, alignments... nothing helps. Appreciate all the information so far in this thread on axles :thumbs:

  • Like 1
ScottSilverado1906 Enthusiast

ScottSilverado1906

Posted
Posted (edited)

2017 Silverado LT

CC

SB

5.3L

6-speed

3.42

68+ mph

4000 miles

So my Vibration wasn't as bad as some of the videos that I have seen posted where the water in the cup was shaking all over the place. It also did not make any audible shaking sounds, but I could feel it. I noticed it on my first long trip with the truck and thought it might be a bad balance on the tire or something.

I took it to the local chevy dealer and they ran the picoscope on it. They confirmed that it did have a vibration.

It had a 15.3 mg Tire 1 vibration @ 14.1hz. They replaced the steering gear bushings and said that I had a defective Passive Exhaust Valve and installed a new exhaust from the Cat back.

They ran the picoscope again and the amplitude was down from 15.3mg to ~3.5mg at 14.0hz.

I have only had one short highway trip and it feels a little better. I will report back when I get a good run at highway speeds.

Thanks to everyone who has contributed to this thread.

Edited by ScottSilverado1906
BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

2014 Sierra

Crew Cab

5.5 Bed

5.3L

6-speed

3.42

74+

60,000 miles

 

Drove about 1,000 miles this weekend and with speed limit at 70MPH I was in the speed spot for the vibrations. Do not feel it in the steering wheel as that is rock solid. But the seats are shaking bad and if you put your head against the head rest, you'll get an instant head ache. Definitely notice it between 74 and 82 mph.

 

Going to be ordering the Yukon Axles and Bilstein 5100's and will report back.

 

Tried new tires, RF balance, rotations, alignments... nothing helps. Appreciate all the information so far in this thread on axles :thumbs:

Hope you have better luck than me getting your axles. I ordered mine 8/23 and still have not received them.

Called today and was told they are back ordered to 11/3.

  • 1 year later...
BO TIE 1 Enthusiast

BO TIE 1

Posted
Posted

I used them on my 2014 Silverado with little change in my vibration. Got tired of throwing money at it so got rid of it.
Good luck if you try it.

Sent from my SM-T830 using Tapatalk

  • 3 years later...
Texasdeere Enthusiast

Texasdeere

Posted
Posted

2014 Sierra 1500

 

2WD

 

Crew Cab Short Bed

 

5.3

 

3.42 gears

 

Factory wheels and tires

 

New to me purchased with 111,500 miles

 

Rock steady smooth all the way to 63 mph at 64 there is a hint of vibration.  At 68 mph it is violent with a fore aft surge feel to it.  It does this in Drive, 5M, Tow Haul and Neutral. At 70 mph gets better but still not good.  68 mph is definitely were it peaks.

 

I suspect the "surge" feel to the vibration it is probably the axles.  I have a driveshaft ready to try but I will pull the wheels off and check the axle flanges first.  I will also check the pinion angles.

 

I will report back in about two weeks or so when I have some time to do the work.

  • 1 month later...
Texasdeere Enthusiast

Texasdeere

Posted
Posted

Hard for me to believe, but it looks like a simple tire balance and rotation at Discount Tire did the trick.

 

The tires and factory wheels were brand new Dealer installed 12,000 mile before I bought the truck.

 

The Driveshaft was out of round so I changed it.  But it didn't seem to make much difference, IDK  

 

After driving the truck another 1200 miles and in different (warmer) temperatures the vibration was very inconsistent.  It varied in intensity (usually annoying but not violent like before) and the speeds at which it happened.  Usually 60 to 70 MPH for the main vibration and a barley noticeable bed shake at around 45-47 MPH.

 

I was convinced it was the Rear Axles, Oh well I'm cautiously happy for now.

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