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09-13-2011, 05:39 AM
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Hummer Veteran
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Join Date: Sep 2010
Posts: 89
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Lift kit problems
I have a 6" bds lift kit on my 05 h2. Love the kit but from day 1 I've had a problem with my rear deal out of my transfer case leaking s little. I'm guessing it's from the angle of the driveshaft goin in it because it's leaking from the top of the seal only when the vehicle is moving. I've replaced the seal 2x now but only last so long before it stops leaking. Any suggestion to cure this? Or has anyone had this problem with a. Different brand kit. Thanks
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09-13-2011, 09:09 PM
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Hummer Professional
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Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
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Re: Lift kit problems
What do you mean by "rear deal"? If you're talking about the output for the rear driveshaft, I'm not sure why you'd have leakage. My truck is lifted a bit higher than your's, and I've had no problems there. If, for some reason, you do have an extreme angle there, try getting a custom driveshaft made. What has BDS said?
Anyone else?
__________________
White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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09-13-2011, 09:53 PM
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Hummer Veteran
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Join Date: Sep 2010
Posts: 89
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Re: Lift kit problems
sorry misspelled, rear differential seal is what i meant
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09-13-2011, 09:56 PM
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Hummer Veteran
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Join Date: Sep 2010
Posts: 89
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Re: Lift kit problems
bds said same thing as you basically. the back trailing arms are adjustable on there kit. i set them as stated in there directions. i got no vibrations or anything now how its set up. they called it weeping out.... it only leaks as i drive. not when it just sits. the fluid works its way outta the seal and slings it over everything behind the transfer case.... i wanna fix this but not sure anything will help. its a 6" kit but actually raised my truck 8". when i but my wheels and tires on it , raised it up another almost 3".
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09-13-2011, 09:58 PM
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Hummer Professional
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Join Date: Nov 2009
Location: Windermere, FL
Posts: 297
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Re: Lift kit problems
If the angle of the driveshaft is too great, you could try a custom driveshaft with custom CV joints to help relieve some of that stress.
__________________
White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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09-14-2011, 02:21 AM
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Hummer Veteran
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Join Date: Sep 2010
Posts: 89
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Re: Lift kit problems
Did you have a custom shaft made? You said yours does not leak and you have more of a lift so I'm curious why I'm having the problem instead of you? I wonder If I adjust my trailing arms and change the pinion angle if that would help my situation? In the bds kit it does not change the location or angle any of the transfer case so it has to be the angle of the driveshaft I would think... Dunno
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