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#721689 - March 24th 2017 10:28 pm Shuddering coming through van.  
Joined: Dec 2016
Posts: 41
Offgrid2 Offline
newbie
Offgrid2  Offline
newbie

Joined: Dec 2016
Posts: 41
East Tennessee
I have owned my g20 for a few months. It has developed a shudder at 65mph or above. It feels like it cycles everyone 1 second.

I'm currently sat on the sofa in the van and it feels like it is coming from the axle.

It has new wheels and tires, balanced.

Could it be:

1. Broken wheel stud, I am unable to extract a broken stud, I will be replacing the axle shaft and wheel bearing

2. I had to remove the driveshaft to replace the output shaft seal, I did not mark the yoke with chalk but the drive shaft lined up no problem.


Last edited by Offgrid2; March 24th 2017 10:29 pm.
#721710 - March 25th 2017 9:30 am Re: Shuddering coming through van. [Re: Offgrid2]  
Joined: Nov 2013
Posts: 1,898
Dyno_Dave Offline
veteran
Dyno_Dave  Offline
veteran

Joined: Nov 2013
Posts: 1,898
Michigan
Originally Posted by Offgrid2
2. I had to remove the driveshaft to replace the output shaft seal, I did not mark the yoke with chalk but the drive shaft lined up no problem.


Did the vibration start after this? You could always try removing and rotating the shaft 180*. Free and easy to try.

#721793 - March 27th 2017 7:24 pm Re: Shuddering coming through van. [Re: Offgrid2]  
Joined: Sep 2005
Posts: 8,166
CatFish Offline
carpal tunnel
CatFish  Offline
carpal tunnel

Joined: Sep 2005
Posts: 8,166
Georgia, USA
You might raise it up, blocked with some good jack stands, chock the front wheels and let it idle in gear. Search for your vibration with a mechanics stethoscope. (it would be at a much lower frequency at idle speed)
Low on lube, bad axle bearing or carrier bearings. Let's hope it's something like a U-joint as that's gonna be cheaper.....
C-clip diffs are hard on axle bearings because the axle is the inner race.

Let's hope for [Linked Image]

#722031 - April 03rd 2017 10:01 pm Re: Shuddering coming through van. [Re: Offgrid2]  
Joined: Dec 2016
Posts: 41
Offgrid2 Offline
newbie
Offgrid2  Offline
newbie

Joined: Dec 2016
Posts: 41
East Tennessee
Can someone tell me if my axle tube is 30 or 28 spline?


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