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Old 06-29-2010, 12:26 AM   #1
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Ok guys, broken spider gears etc what's next

So I was stuck in a river and got yanked out, guessing when I was spinning and got yanked against the hard bottom my front end just made a loud clunk. I pulled the front diff cover and my spiders and drive gears are shreaded. The carrier has a couple pieces missing from the outer edges. They wouldnt interfere with the movement of the gears. But I plan on replacing the carrier anyways since its 50 bucs and the gears. My main question is when installing it since i'm not changing my ring and pinion do I have to set the mesh? I honestly don't know much of anything about gearing but I do know I need it fixed in two weeks. I obviously don't want to rush this if its going to be super in depth but i'm very mechanically inclined just need pics and specs and away I go. If you guys know places to get good deals on gears and what special tools I might need to do this gear swap. Also might look into a power trax locker. Thanks guys
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Old 06-29-2010, 12:31 AM   #2
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Since you are replacing the carrier, you'll have to set the backlash between the ring & pinion gears by shimming the carrier left or right until the backlash is set. There also has to be enough preload. If you keep track of the carrier shims that come out and which side they went on, you'll at least have the backlash somewhat close to where it needs to be. If you have to replace the pinion gear or its bearings, you'll need to do a complete R&P setup which is not for the inexperienced.

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Old 06-29-2010, 08:22 AM   #3
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Take it to a shop. Sometimes expert work is expensive, other times it is priceless.
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Old 06-29-2010, 11:12 AM   #4
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right so if not replacing the carrier then swap out spider gears and torque to specs? I want to take it to a shop but two reasons why I don't. I deploy in 2 months so I just need it to get me down the road till then. Also I want to learn how to do it myself. Third If I mess with gears I want to be regearing them but deff don't have the money for the rear and front. So Jerry if the carrier is even just removed and re-installed it requires to set up backlash again?

Thanks for the quick responses
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Old 06-29-2010, 01:38 PM   #5
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I will not engage myself with these types of repairs anymore. You must put a value on your time and patience. I have learned the hard way that at times it is best to let a person with experience take on the job. I hate having to go back and redo what I did wrong in the first place. Good luck.
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Old 06-30-2010, 12:01 AM   #6
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Ya I talked to guys at east coast gear and they said if just replacing my spider gears just pull them out and put new ones in. I don't plan on having to set backlash,preload, and shimming it all up by myself, if and when I do decide to. Personally I like to learn new things even if they are difficult. And with the right teacher there should be no problems. Thanks for the tips though.
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Old 06-30-2010, 12:40 AM   #7
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Setting up a ring and pinion is a very in depth job and isn't for your average joe. It also requires a bunch of special tools. I don't have a problem with you wanting to learn to do it but when you're crunched for time things get rushed and skipped. I would recommend that you take it to a shop if you plan on replacing the carrier. And after the deployment learning the job. If you are just going to do spider gears you can get torque specs online. just Google Dana 30 torque specs.

Let me google that for you


Here are some numbers I found.

Axle Housing Cover -- 20 -- 15-25
Differential Bearing Cap Bolts -- 40 -- 35-50
Drive Gear-to-Case Bolts -- 55 -- 45-65
Lower Ball-Joint Nut -- 80 -- N/A
Pinion Yoke Nut -- 210 -- 200-220
Universal Joint U-Bolts -- 15 -- 13-18
Upper Ball-Joint Nut -- 100 -- N/A
Upper Ball Stud Seat -- 50 -- N/A
Wheel-to-Hub Nuts -- 80 -- 65-90

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