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Think this would cause my vibration?Pic inside

K5Steve

K5Steve

1/2 ton status
Joined
Aug 10, 2005
Posts
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Location
Carson city, nv.
I have had a problem with vibrtions and I thought I had it fixed but it started getting worse.I went to change my diff fluid and I noticed this
47b5ce38b3127cce948be6a103d600000016108AaMWzdk4btp

WOuld this cause a vibration when off the gas or on but not at a steady cruise?How much would this be to fix?I haven't had much experience with rear ends.
 
Certainly can't help.

Cost will depend on what you put in. Pinion doesn't need to be re-set, only back-lash, unless the gears are toast which will affect cost too.
 
i just cracked/broke my g80, close to home thankfully. Drove it about 2 miles home after i hear the two loud pops and it did have some bad vibes on the way back so i say that it could easily cause the vibes.
 
I bought it 2 months ago and it has been vibing ever since.I put new yokes on the dinion and the slip,lengthened and balanced the d shaft and now this.I need to fix it so I can sell it.
 
When on the gas or off you have forces pushing (either rolling resistance slowing you down, or engine speeding you up), this may flex the case, causing a misalignment or misbalance and ultimately your vibration. At cruise you engine actually works very little to maintain speed, so it would make sense if it became non-existent or less noticeable.

Either way, whatever you did to cause this will easily cause it to finish the job. You had better change it out or you're guarenteed more trouble.

New LSDs are obviously a few hundred bucks. You may be able to pick up a used one for a reasonable price.
 
It was broken when I got it.I don't know how they could have broken it like that.It is an Auburn piece.Are they easy to install?I think I'll just have it done as I don't have the time to do it myself.
 
I dont think thats an auburn. it looks like an eaton/gov-loc to me but its hard to tell for sure by the picture.
 
I can get a better pic.I was told it was an Auburn but when you buy a truck you're not going to take off the diff cover to make sure and he knew that.Oh well,atleast I found it in time before leaving me stranded somewhere.I'm having that fixed and my tranny rebuilt this week.Sorry for the ignorance but,what's a gov loc?
 
What should I replace it with?I don't do heavy wheeling,just moderate and I live in the snow.Should I replace with another posi,go back to stock or something else?IS the Eaton better or worse than an Auburn?
 
A Gov-Lok is a mehanial locker. How it differs from a nventional loker is that instead of being unlocking when differentation is needed, like a detroit, it locks when traction is needed. Great idea, reportadly not the best designed application. I like how they work, and never broken one, but I only run 33s and have a very light foot. they have not the best reputation.

Check out ebay, and expect to pay $150 to $200. A cheaper route would be to intall an open diff, if you're just going to sell it. Be careful which axle shats you have, later model 10 bolts had 31 splines, I think, while the earlier models had 28 splines. Count them so you know to shop for the right one.

I just sold one, a 31 spliner from my old burb, wish i'd known you needed one, I would've given you a break.

if you're looking in junkyards, look in the glovebox for the RPO codes. G80 is the gov-lok code. This willsave you the time to pull a bunh of diff covers.

Good Luk!

Da Kid
 
Ok,I just talked toa shop and He said if I want to go with a posi that I could go with an Eaton which is rebuildable for $406,an Auburn for $353,or a Detroit true lock for $393.Which of thos would be best?I am also paying for labor as I don't have the time to do this.It will be about $675 for an Auburn installed.
 
if you're keeping this truck, get an ected.

if not, go cheapest.

Rebuildable Posi is the best of your choices if you have winter weather conditions.

DO NOT buy a mechanical locker (other than a gov-lok) if you live in a place with snow and ice. Spooky does not even begin to descrbe a mechanial locker on ice.
 
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