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04-12-2007, 09:27 AM | #1 |
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Join Date: Mar 2005
Location: Just outside Durham, NC
Posts: 894
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Eaton Third swap parts list
Well, I have had my eaton third with 4.10 gears and a locker sitting in my entrance way for probably about a year now....and a front axle with no driveshaft with the matching 4.10 gears sitting in my truck for about the same amount of time. It is time to install my eaton third, and I was hoping to get a parts list, as well as an install guide.
What is involved in pulling the existing third out of my truck? What parts will need to be replaced (and what parts should be replaced as a good measure) Part numbers would be appreciated if possible, i know most of these parts will probably have to be ordered, and once I pull it all apart, I would rather not have to leave the truck high and dry (or wet as the case may be sitting outside). Any instructions in the process would be appreciated. I remember someone talking about putting the third in a bucket of diesel and spinning it to remove any loose dirt/sludge build up....anyone ever try that, how did it work? Do you use special fluid for a locker, or just 80w gear oil? Thanks!
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1969 SS 350 Camaro Sold 2008 1970 3/4T K20, stock height with 33's, 250 I6, 3 on the tree, and locked front and rear 4.10's 1980 Chevy Malibu 2 dr Sold 2007 1993 Olds. Cutlass Ciera Wagon Traded 2006 2003 Saturn L200 w/5pd. D/D My list spans 5 decades with One common thread.....GM! |
04-12-2007, 02:07 PM | #2 |
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Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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Re: Eaton Third swap parts list
It's easier than you think.
1) pull out axleshafts far enough to get them out of the carrier 2) unbolt d-shaft 3) unbolt 3rd (a good idea is to remove one of the bottom bolts , and let the oil drain out first) Now do that in reverse to install your new one. Just 80 or 90 w oil, No-Spins don't require a special oil like posis do. The only non-tool you will need is RTV gasketing compound to seal the 3rd back up. Someone suggested using a bucket of diesel fuel, and I think that would be a good idea to clean the gears, but 5 gallons of diesel fuel is like $15. It would be better spent getting a few cans of brake clean if your 3rd is really nasty. Plus then you don't have 5 gallons of contaminated diesel sitting around that you can't do anything with. EDIT: as you probably know by now, a milkcrate or floor jack can do wonders for helping you put those 3rds in. They are just a tad heavy.
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1969 GMC K2500 1996 Honda Accord 2007 Kawasaki KLR 650 Last edited by 1969 GMC; 04-12-2007 at 02:09 PM. |
04-12-2007, 05:31 PM | #3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Eaton Third swap parts list
I would run synthetic oil if your wallet lets you. Scoop out any crap you find in there, and probably a good idea to remove and reseal the rear cover too. Some RTV on the threads is a good idea too.
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04-12-2007, 05:44 PM | #4 |
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Join Date: Dec 2006
Location: Rhode Island
Posts: 602
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Re: Eaton Third swap parts list
There's a really neat article in this month's Chevy "Punch" newsletter available at www.chevelles.com that covers this procedure exactly. I'd offer to email it to you, but my ISP has a 5 meg limit and it's 8.5.
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