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Unread 08-15-2006, 07:57 PM   #1
edzakory
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Question for D30 U-joint replacement

I plan on changing the front U-Joints on my D30 front axle w/Spicer 5-760X replacements. I recently put in Aussie lockers and changed the gear lube with Royal Purple Max Gear 75W90 synthetic.

Is it necessary to drain the differential to pull the axle(s)? I thought I might be able to jack one side up at a time higher than the differential case to prevent oil from leaking out the seal.

Will this procedure work or does anyone have some suggestions that may have changed U-joints without draining the differential?

Thanks

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Unread 08-15-2006, 08:30 PM   #2
JamboreeTJ
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You "should" be OK on level surface. Standing still, the oil should be just below the seal. I've seen them pulled without draining the diff. Last one was at our club's tech day with one of the TJs up on a lift at a local shop.
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Unread 08-15-2006, 08:51 PM   #3
Stu Olson
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Agreed....I routinely pull the shafts on mine without any leakage of diff lube.
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Unread 08-16-2006, 06:50 AM   #4
Pottymouth
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I concur with the above two statements. When I changed both of my front axle U-joints, I didn't do anything to the diff. Pull off the wheels, brake calipers (be careful of the brake lines), rotors, unscrew the hub assembly, and the axle shafts should slide right out. Just be very careful when you are pulling the shafts out (and putting back in), you do not want to tear the seal in the housing.
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Unread 08-16-2006, 08:10 AM   #5
jayr
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Quote:
Originally Posted by edzakory
I plan on changing the front U-Joints on my D30 front axle w/Spicer 5-760X replacements. I recently put in Aussie lockers and changed the gear lube with Royal Purple Max Gear 75W90 synthetic.

Is it necessary to drain the differential to pull the axle(s)? I thought I might be able to jack one side up at a time higher than the differential case to prevent oil from leaking out the seal.

Will this procedure work or does anyone have some suggestions that may have changed U-joints without draining the differential?

Thanks
slightly but I want to do the same and was wondering if you are running stock shafts with these u-joints? IOW will the Spicer 5-760X joints work with D30 stock shafts on newer (97-06) TJs?
TIA
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Unread 08-16-2006, 09:59 AM   #6
edzakory
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Quote:
I want to do the same and was wondering if you are running stock shafts with these u-joints? IOW will the Spicer 5-760X joints work with D30 stock shafts on newer (97-06) TJs?
Yes; I am running stock axles on my D30. I was going to upgrade the axles but understand that they donít have the breaking problems the D35C have.

I did a cross check with NAPA and the Dana Spicer 5-760X is the number listed for my 2000 TJ. I read where these may not work on all D30 axles; probably before the new TJ in í97. NAPA does not sell Spicer anymore and have gone to Precision Gear made by Federal-Mongul. They looked like a good HD unit but my preference was for the upgraded Spicer model. They are hard to find local so I have to order via Internet/mail-order.
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