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Spring Clamps Reduce Rear Vibration

hotrodz37

By hotrodz37
in Troubleshooting & Recalls

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Brakin7 Enthusiast

Brakin7

Posted
Posted

My truck doesn't let you select 4wd without prompting you to go into neutral on the screen. Yes, I meant to post here because of my shake at ~40-50mph. Put it in 4lo to crawl out of a mudhole in the driveway. Thanks for the info!

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Ron.s
Ron.s

This will probably be my last post here. Here's the end of my story. Dealer two couldn't get GM to do anything but gave me the name of a local shop that specializes in suspension and "lifts". (Boi

Obscenejesster
Obscenejesster

Before adding the spring clamps, check the torque or your U-bolts. I suspect that many of them were either not tightened properly from the factory or they have came loose over time due to loctite not

Ron.s
Ron.s

Maybe the answer at last....   After a typical dealer visit I decided to try one last thing before replacing the Magneride shocks. First some history; I had the exact same truck in a 2014 that di

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LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

My truck doesn't let you select 4wd without prompting you to go into neutral on the screen. Yes, I meant to post here because of my shake at ~40-50mph. Put it in 4lo to crawl out of a mudhole in the driveway. Thanks for the info!

Yeah 4hi would be sufficient honestly for future use, most people will never need 4low in their life honestly
ic3man5 Enthusiast

ic3man5

Posted
Posted (edited)

Sorry, id understood that 4lo is for crawling and slow action, hi is for hiway use. Maybe I read wrong...

 

From the owners manual:

 

(Four-Wheel Drive Low):

This setting also engages the front axle and delivers extra torque. Choose if driving off-road in deep sand, deep mud, or deep snow, and while climbing or descending steep hills. When engaged, keep vehicle speed below 72 km/h (45 mph).

 

note the "and". Even in these situations you probably won't need it.

 

 

Edit: Use Auto for Highway, 4Hi for off-road / extreme conditions, 4Lo when you need more torque in 4Hi conditions (rarely if ever).

 

 

Your issue is probably a little separate but would be nice to see your vibration now in a video; If its a similar vibration we can probably narrow the shake to the front end like I've suspected for a while now.

Edited by ic3man5
Brakin7 Enthusiast

Brakin7

Posted
Posted

Truck drove fine even with new CV axle, but loaded. Unloaded i can feel it bounce my gut at those speeds. Doesnt come thru steering column. Just in my back and butt.

  • 2 weeks later...
MRW412 Enthusiast

MRW412

Posted
Posted

I had my driveshaft trued and no more shaking!

 

RT

Before you had your driveshaft balanced and trued, did you ever put your truck in neutral to see if the vibrations/shakes quit? On my previous truck, 2000 Silverado z71, the driveshaft was so out of balance and u joints were so worn, whenever I put it in neutral going down the road, the vibrations immediately stopped.

  • 2 weeks later...
MRW412 Enthusiast

MRW412

Posted
Posted

Get your driveshaft checked by a specialist. I have no more 75+ mph vibs since I had it rebalanced

Bikemobile Enthusiast

Bikemobile

Posted
Posted

Get your driveshaft checked by a specialist. I have no more 75+ mph vibs since I had it rebalanced

Please elaborate on your symptoms, truck specs and remedy. Thx

  • Like 1
EspoMan Enthusiast

EspoMan

Posted
Posted

Mine has the shakes between 70mph-80mph. Going back to dealership on Friday.

  • 2 weeks later...
SilvgMc2017 Enthusiast

SilvgMc2017

Posted
Posted

Update:

The shaking seems to have gone away for a little while. I have not felt it in a few days...... wierd

Where do you feel the shakes most, seat, steering wheel, or console? I have a 17 that shakes occasionally too.

 

Sorry if you've already mentioned it elsewhere.

Bikemobile Enthusiast

Bikemobile

Posted
Posted

Where do you feel the shakes most, seat, steering wheel, or console? I have a 17 that shakes occasionally too.

 

Sorry if you've already mentioned it elsewhere.

Np, I feel it in the seat cushion and seatback. My wife felt it too so I know its bad.

SilvgMc2017 Enthusiast

SilvgMc2017

Posted
Posted

Np, I feel it in the seat cushion and seatback. My wife felt it too so I know its bad.

Exactly where I feel it. Stinks this is still going on with the 17s.

 

Thanks for the response.

Bikemobile Enthusiast

Bikemobile

Posted
Posted

Yup, I felt it with stock tires and with duratracs. Dealer says its the duratracs. Not sure what to do.......

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