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06-29-2006, 06:33 PM
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Hummer Guru
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Join Date: Jun 2006
Location: Out West
Posts: 2,539
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Re: R&R Rear Axle
I think I missed something here ... did someone say the rear axle problem is more prevalent with H3 build dates PRIOR to August, 05 .. but not build dates AFTER 8/05? Thanks. 
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2008 H2 Graystone Metallic
2006 H3 Black (sold)
previously known as Hmmm3
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06-29-2006, 06:42 PM
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Hummer Authority
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Join Date: May 2006
Location: Upstate NY
Posts: 1,050
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Re: R&R Rear Axle
Yes. From what I have read for the past year on this issue, early H3 builds (before aug 05) had this issue. It was caught and corrected after mid Aug. 2005.
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2009 Gray H3T, Aventure Pkg, 4 speed Auto, Brush Guard, Trailer Pkg., Elec Driver's Seat, 6CD audio, Slant back cap.
Gone: 2006 Red H3, Aventure Pkg, 5 Speed, Monsoon, Brush Guard, Rubber Foor mats, Trailer package, Chrome Fuel door, Engine Block Heater.
"You?re making the choices about whether you want to drive a little extra more or not drive extra more."
29-Jul-2008
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06-29-2006, 08:49 PM
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Hummer Guru
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Join Date: Jun 2006
Location: Out West
Posts: 2,539
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Re: R&R Rear Axle
HummerHippy ... axle probs in adventures only? Or, automatics, too? I have an automatic. Thanks!
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2008 H2 Graystone Metallic
2006 H3 Black (sold)
previously known as Hmmm3
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06-29-2006, 09:03 PM
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Hummer Authority
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Join Date: May 2006
Location: Upstate NY
Posts: 1,050
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Re: R&R Rear Axle
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Originally Posted by Hmmm3
HummerHippy ... axle probs in adventures only? Or, automatics, too? I have an automatic. Thanks! |
Hmm, me the expert on this? Nope. 
Understand that I don't own one yet, and only have info that I have read here for the past year. If you do a search on "lapping compound" you'll get about 10 threads. There is some good/useful info there. I think the issue affected both base and adventure rear differentials (if there is a difference between the two, dunno), and I believe if can affect 4sp (auto) and 5sp (man) transmissions. A couple of the replys in those threads are from the GM connected folks on this forum. So, very helpful and, what I feel, very reliable, honest, no B.S.
Some threads talked about a rear diff whine/noise that could start after 500-600 miles, but if I remember, i think most, who had the issue, started...I can't remember, after 1000 or 1500 miles. Or it could be more. Sorry I don't remember. Hope that helps.
__________________
2009 Gray H3T, Aventure Pkg, 4 speed Auto, Brush Guard, Trailer Pkg., Elec Driver's Seat, 6CD audio, Slant back cap.
Gone: 2006 Red H3, Aventure Pkg, 5 Speed, Monsoon, Brush Guard, Rubber Foor mats, Trailer package, Chrome Fuel door, Engine Block Heater.
"You?re making the choices about whether you want to drive a little extra more or not drive extra more."
29-Jul-2008
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06-29-2006, 09:24 PM
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Hummer Expert
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Join Date: Mar 2005
Location: Colorado
Posts: 757
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Re: R&R Rear Axle
Quote:
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Originally Posted by Hmmm3
MIKE B .. just trying to see if that 'slight whining' sound is the same as mine. When I accelerate .. seems to be when I'm turning, too ... I hear a whine. If I let off the gas, the whine sound is lower, when go back up on the gas, it increases. I don't think I hear it all of the time. Maybe I have the music up too loud. What did you have to do to hear that whine? Thanks.
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What you are describing sounds like Ring and Pinion gear noise resulting from either too much/too little pinion depth, or excessive backlash. In either case, it isn't normal and should be taken care of as it will only get worse.
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1999 AMGeneral H1 6.5TD BLACK Wagon e-Lockers Front and Back, Rubberduck4x4 RockTubes, Extended Undercarriage Protection,"Big Duck" 2" body lift/2 1/2" suspension lift, 41" IROK Radials on 17" Cepeks w/Rock Rims, (in process)Centered front diff, 3.08 gears, 12k Brakes and 12k halfshafts
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