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08-24-2010, 09:32 PM #1
Rear diff in a '94 heavy half 4x4
I have an open rear diff or at least a diff that acts like one.
What can I do to stiffen it up or lock it? It is daily driven but I want to still take it off road with the local Jeep club. (They sometimes like to have a big heavy thing to winch off) I am almost thinking of going to a Detroit Locker (heard lots about them but I don't know enough about them) but I don't have that kind of cash available. Or running to the junkers and looking for a limited slip and over packing it. <== Would that even work? I have been told that it will and won't.
---------- Post added at 07:32 PM ---------- Previous post was at 06:48 PM ----------
It is a 14 bolt 9.5" G80
I just had the axle off the ground, good news is that the wheels turn very smoothly and very easily, bad news is that its only one wheel at a time in neutral.
I have NO locking or limiting action happening.
Could I rebuild the clutch packs to fix this or do I want a new rear end to rebuild first and then replace the worn/broken one?Full throttle is never enough!
1994 Silverado Z71 1500 (everything but leather)
08-24-2010, 09:58 PM #2
Well you could Lincoln lock it (weld the spiders to the carrier which will have both tires with power all the time) But since your planning on DD this I would go with a lunch box type locker. Detroit is the best in my opinion but not needed. I had a one ton ford that I ran lock rites in and was very happy. I personally do not like limited slip diffs for offroading. I would put in a locker.
07 NBS Crew cab SLT 4x4
08-24-2010, 09:58 PM #3
Did the rearend used to lock up, but does not now?
I had a 10 bolt in my 94 4x4 and that thing would never lock up like I wanted it to, despite being a posi. I switched to a 6 lug 14 bolt and have been very pleased. A world of difference.
If it used to lock up but does not now, may as well pull the cover off and take a look."Good judgment comes from experience, and a lot of that comes from bad judgment." --- Will Rogers
08-24-2010, 11:08 PM #4
I bought the truck back in February of this year so I do not know if it has/had a locker in it or not.
By all the numbers, it did. Looking at the diff cover(14 bolt), it did.
It will not lock at all nor will it limit any slip.
It is acting as a fully open differential.
I need to do a diff service in about 2,500km anyway. Might as well do it before the snow falls I guess.
What can I expect to find in the ass-end of my poor old truck?
Also how tricky is it to re-align the gear mesh if I do just swap it out?
I'm not gonna lie, I am pretty green.
08-24-2010, 11:56 PM #5
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I take mine in anytime it has to do with the rear end other than gear oil etc... Because if you screw up the alignement etc you only have yourself to blame.Mike
1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).
2009 Saturn Aura XE (wifes car)
2011 F-150 Crew 4X4
"Hold it to the floor till you see God.... Then Brake!!!!"
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