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03-24-2009, 01:21 PM
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Hummer Veteran
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Join Date: Feb 2008
Location: North Carolina
Posts: 144
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Re: FRONT DIFF. LEAK HELP!!!
any problem using RTV silicone or definitely need a new seal???
__________________
06 H3, Boulder Grey (somtimes/mostly just mud, color of mud varies), Leveling Kit, 35" Toyo Open Country M/T's, Westin chrome nerf bar, chrome brush guard, Chrome kit, chrome roof bars, navigation, XM,
brush gaurd lights. Want: 4" or 6" lift, rock rails to replace the steps, roof rack w/lights, want a rack above the spare on rear door, custom seat covers...should be done then but I doubt it 
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03-25-2009, 12:04 PM
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Hummer Guru
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Join Date: Jul 2006
Location: Stouts Creek
Posts: 4,192
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Re: FRONT DIFF. LEAK HELP!!!
Its normal to have some seepage. Any pics?
For the diagnostic charge you could probably have it nearly done at a local shop.
If you service it yourself...
Add some fluid to top it off in mean time. Wipe it down to observe problem.
Then reseach how to solve it and get it done.
Good Luck
__________________
"For God so loved the world he gave his only son that whoever believe in him would not perish but have everlasting life. "
(John 3:16)
2006 H3 Slate Blue,Header,Jacked,CAI,Toyo35's,HHO.
Priors...
Explorer
Commander
71 Vette
You Name it!
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03-25-2009, 04:29 PM
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Hummer Veteran
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Join Date: Feb 2008
Location: North Carolina
Posts: 144
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Re: FRONT DIFF. LEAK HELP!!!
no this wasn't normal seepage. The whole front drive unit was completely covered. I cleaned it up yesterday evening with brake cleaner and drove around the parking lot for a while and did not see anymore. I think tonight Ill add some 75W90 and drive around see what happens
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06 H3, Boulder Grey (somtimes/mostly just mud, color of mud varies), Leveling Kit, 35" Toyo Open Country M/T's, Westin chrome nerf bar, chrome brush guard, Chrome kit, chrome roof bars, navigation, XM,
brush gaurd lights. Want: 4" or 6" lift, rock rails to replace the steps, roof rack w/lights, want a rack above the spare on rear door, custom seat covers...should be done then but I doubt it
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03-28-2009, 02:05 AM
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Hummer Authority
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Join Date: Sep 2003
Location: Canada
Posts: 1,251
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Re: FRONT DIFF. LEAK HELP!!!
Dont use silicone! Synthetic fluid will eat its way through, always use a gasket with synthetic fluids.
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1987 Jeep YJ 403hp sbc 653hp on NOS
1998 Chev Z71
2007 Chev Trailblazer SS
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03-28-2009, 04:19 AM
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Hummer Veteran
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Join Date: Feb 2008
Location: North Carolina
Posts: 144
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Re: FRONT DIFF. LEAK HELP!!!
K thanks guys. Hey i got another one. What are we hummer owners to do when we have a problem now that GM is no longer Hummer and most dealers (atleast in my area) are taking the Hummer signs down? I took mine to a GM dealer last year for an oil change but they said they didnt now anything about the 3 and had never done anything to one, so I left and did it myself. They also said there was an extra $45 charge to remove skidplates ontop of regular oil change price!!! Wont go back there again, but really if we have a problem are we just going to have to make the trip to the closets one? For me its about 2hrs and over 120 miles, Indendence Hummer in Charlotte. Anyone ever use them, they seem to be about the biggest one around here?
But thats not always a good thing!?! Anyone know how much the service manuals are going for now a days/ and how good they are?
__________________
06 H3, Boulder Grey (somtimes/mostly just mud, color of mud varies), Leveling Kit, 35" Toyo Open Country M/T's, Westin chrome nerf bar, chrome brush guard, Chrome kit, chrome roof bars, navigation, XM,
brush gaurd lights. Want: 4" or 6" lift, rock rails to replace the steps, roof rack w/lights, want a rack above the spare on rear door, custom seat covers...should be done then but I doubt it
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03-29-2009, 04:30 AM
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Hummer Veteran
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Join Date: Jul 2006
Posts: 127
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Re: FRONT DIFF. LEAK HELP!!!
remember, your owners manual has all of the recommended fluids listed in it and I believe it even has the capacities needed.....
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