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03-20-2006, 01:52 PM
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Hummer Veteran
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Join Date: Mar 2006
Location: North Florida
Posts: 117
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My H3, manual (stick) trans, offroad package (built in Feb '06) has a very definite whine to the drivetrain ONLY when in low-lock. No vibration or grinding, and yes it increases in pitch with vehicle speed and I'm talking about the range from 1 to about 10 mph (has never been above 3 gear in low lock). Is this normal?? Is it due to the crawl ratio we have in the offroad package? (It just seems loud to me as compared to my Grand Cherokee or Isuzu Rodeo when they are in 4-low)
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03-20-2006, 01:57 PM
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Hummer Guru
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Join Date: Aug 2005
Location: Frequently somewhere else...
Posts: 2,092
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Yes, it is very loud.
Yes, it is very normal. Lots and lots of gear whine when in low range.
Enjoy 
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Rob (Ipedog - Say "Ip-E-Dog")
Black Sheep HUMMER Squadron 
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03-20-2006, 05:19 PM
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Hummer Guru
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Join Date: Jul 2005
Posts: 4,123
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Yes it is loud and is normal.
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03-20-2006, 09:42 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Normal on the H3, as it was normal on my TJ. Louder on the H3, but it has lot lower gearing than the TJ.
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03-21-2006, 01:19 AM
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Hummer Guru
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Join Date: Nov 2005
Location: rollin with Beebs & F5
Posts: 5,546
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it does get quieter after more use  but not much
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03-21-2006, 02:37 AM
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Hummer Guru
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Join Date: Jul 2005
Posts: 4,123
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Just crank up the monsoon.
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03-21-2006, 04:02 PM
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Hummer Authority
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Join Date: May 2005
Location: Redmond, WA
Posts: 1,423
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yeah its normal
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03-21-2006, 06:59 PM
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Hummer Professional
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Join Date: Feb 2006
Location: Out in the windy oil field
Posts: 358
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add some dyno-mat around the transmission hump to reduce the noise coming into the cab.
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03-21-2006, 07:59 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
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I should add, if you have an early model vehicle, and the noise is all the time and getting louder as time goes on, there could be a rear axle replacement in your future.
But, I'm assuming, you have a newer model, and the problem with the lapping compound on the rear axles was on early vehicles only. (The lapping compound issue will not be present on vehicles built after August 10, 2005.)
So, if I'm assuming correctly, it is normal for a low gearing situation.
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03-21-2006, 08:16 PM
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Hummer Guru
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Join Date: Sep 2005
Location: fort salonga ny
Posts: 3,789
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Quote:
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But, I'm assuming, you have a newer model, and the problem with the lapping compound on the rear axles was on early vehicles only. (The lapping compound issue will not be present on vehicles built after August 10, 2005.)
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Dam   mine was built 6/20/05 only noise in low though.
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