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2003 SS front diff

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#1 DougieSS


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  • Name:Doug
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  • Location:Ontario
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  • Year:2003
  • Drivetrain:AWD

Posted 06 March 2018 - 06:48 AM

Hey there, i have a silverado ss noticed a humming coming from my front end over the last few weeks. Orignally thought it was a wheel bearing no big deal. I go to swap the wheel bearing and its fine.. turns out i have a bad pinon bearing in the front diff. Wondering what peoples thoughts are on getting a bearing kit done.... i would rather find a new diff if i can or a good remanufactored one.. any recommendations or other comments?

If i do end up having to rebuild mine it wont just be the bearings it will be everything. Full rebuild. Just would rather buy a new unit if i can and swap it in lol.

Thanks alot. Looking to make a move soon as this is my daily driver

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#2 stickler88


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  • Name:Rick
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  • Location:fort lauderdale
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  • Year:2004
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Posted 06 March 2018 - 07:32 AM

It's not hard to do if you have knowledge of a differential, pullers to get the carrier and pinion bearings off and a dial gauge to set the back lash. Look on youtube for gm ifs differential rebuild and you will see what it will be. If not, I tried to get a buddy of mine to let me show him and he just wanted to do a swap. He got his from justchevytrucks.com. If he doesn't have it in stock, he had his built within a day and shipped. Installed it 4 days later and still running like a champ.

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#3 Doughty08


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  • Year:2003
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Posted 06 March 2018 - 08:53 PM

Like stickler said its pretty straight forward job with common tools, dont have to have pullers if your handy with a cut off wheel lol but will need a press to put them back on. Two day job and can do a full rebuild for just over 100 bucks.
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