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10-30-2006, 02:33 PM
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Hummer Veteran
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Join Date: Aug 2005
Location: Washington, DC
Posts: 141
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Another Rear Differential
Mine was at 11k miles in an adventure 5-spd.
I left disposable camera with the tech to take pictures of the ring and pinion carnage (although I expect he will forget).
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Birch White H3 Manual, Adventure Package, Sunroof, Trailering Package, Off-Road Lamps, Splashguards, Black Tubular Assist Steps, Black Crossbows, Mudder Mats, Ski Rack, Warn XD9000 w/ DOI Hawse Winch Bumper, DOI Prototype Skid Plates, M101A1 3/4 ton trailer.
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11-08-2006, 04:04 AM
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Hummer Veteran
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Join Date: Aug 2005
Location: Washington, DC
Posts: 141
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Re: Another Rear Differential
Got my truck back today - much better! The tech didn't take the best pictures of the damage, but he made the following notes:
Found ring and pinion gear improperly meeting. Ring side bearings. Pinion bearing and axle bearings pitted. Also found ABS sensors not reading due to deformed mounting bracket causing sensors not to be able to read. Replaced side bearing, pinion bearings, axle bearings, ring gear, pinion gear and rear wheel speed sensors.
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Birch White H3 Manual, Adventure Package, Sunroof, Trailering Package, Off-Road Lamps, Splashguards, Black Tubular Assist Steps, Black Crossbows, Mudder Mats, Ski Rack, Warn XD9000 w/ DOI Hawse Winch Bumper, DOI Prototype Skid Plates, M101A1 3/4 ton trailer.
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11-08-2006, 04:06 AM
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Hummer Veteran
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Join Date: Aug 2005
Location: Washington, DC
Posts: 141
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Re: Another Rear Differential
I was surprised by the "ABS sensors not reading due to deformed mounting bracket". I never noticed and my OnStar report always said my brakes were fine.
Anybody else seen this before?
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Birch White H3 Manual, Adventure Package, Sunroof, Trailering Package, Off-Road Lamps, Splashguards, Black Tubular Assist Steps, Black Crossbows, Mudder Mats, Ski Rack, Warn XD9000 w/ DOI Hawse Winch Bumper, DOI Prototype Skid Plates, M101A1 3/4 ton trailer.
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11-08-2006, 05:55 AM
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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: Another Rear Differential
What 'symptoms' did you feel in the H3 while driving to make you take it to the dealer? Wow .. a lot was replaced! Was it covered by warranty? Glad they took care of it! 
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2008 H2 Graystone Metallic
2006 H3 Black (sold)
previously known as Hmmm3
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11-08-2006, 06:03 AM
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Hummer Professional
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Join Date: Sep 2006
Location: Arkansas
Posts: 363
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Re: Another Rear Differential
Man you must have one heck of a big Hummer. That looks live the ring out of at least an 18 wheeler!
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Traded 06 I-5 for 08H3 ALPHA/Adv,WarnPowerPlant9500,Warn 9000ti rear,Steelcraft brush/winch mt,RockyRoadrails/Hunner mod,GMUCP,Hunner rear/shock skids,OEM roof lights,Rola rack,2GoLights,Hunner steering gear mount,Purple Cranium diff guard,BulletProof tie rods,ARBsnorkle, SyKlone prefilter,Hunner intake pipe.
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11-08-2006, 06:35 PM
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Hummer Guru
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Join Date: Jul 2005
Location: nonpiker
Posts: 5,900
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Re: Another Rear Differential
Quote:
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Originally Posted by Hunner
Man you must have one heck of a big Hummer. That looks live the ring out of at least an 18 wheeler!
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It's a 8.5 inch ring gear...pretty standard really. |
11-08-2006, 02:05 PM
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Hummer Veteran
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Join Date: Aug 2005
Location: Washington, DC
Posts: 141
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Re: Another Rear Differential
Quote:
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Originally Posted by Hmmm3
What 'symptoms' did you feel in the H3 while driving to make you take it to the dealer? Wow .. a lot was replaced! Was it covered by warranty? Glad they took care of it! |
Yes, all warranty work. Loud noise coming from the rear end and vibrations felt in the gas pedal were the main symptoms. At first I thought I might have had the "rubbing compound" issue, but as the tech observed, the gears were just way out of alignment. I'm not sure whether the misalignment was from the factory or whether an off-road trip caused flex in the housing, or whether something completely different was the cause.
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Birch White H3 Manual, Adventure Package, Sunroof, Trailering Package, Off-Road Lamps, Splashguards, Black Tubular Assist Steps, Black Crossbows, Mudder Mats, Ski Rack, Warn XD9000 w/ DOI Hawse Winch Bumper, DOI Prototype Skid Plates, M101A1 3/4 ton trailer.
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11-08-2006, 05:57 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: Another Rear Differential
ABS sensors not reading will set a code and turn on the idiot light as well as display a message in the DIC.
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Black Sheep Hummer Squadron
(ME TOO)
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11-09-2006, 10:18 PM
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Hummer Veteran
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Join Date: Nov 2006
Location: lat 42 3340 long 82 49.95
Posts: 216
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Re: Another Rear Differential
Quote:
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Originally Posted by bjc
Yes, all warranty work. Loud noise coming from the rear end and vibrations felt in the gas pedal were the main symptoms. At first I thought I might have had the "rubbing compound" issue, but as the tech observed, the gears were just way out of alignment. I'm not sure whether the misalignment was from the factory or whether an off-road trip caused flex in the housing, or whether something completely different was the cause.
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you obviously didnt show your sevice writer your avitar photo
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It's easier to get forgivness than permission
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