Question about 2004 Hummer H2
It seems as if the transfer case is not engaging the rear differential
as is only engaging the front differential. car drives like it is front wheel drive
Only way for this to happen on an H2 (AWD) is for something to break rearward of the lockup hub. Take a look at the splines between the intermediate shaft and centerdifferential or even the teeth on the forward sun gear and/or stepped pinion on the center diff.
As long as you have the t-case torn down for repair be sure to upgrade to the new aluminum mode fork (production upgrade to old plastic forks thru end of 2007 or so). You should also upgrade the rear half of the housing to the 2008 version which has a pressed-in rear prop bushing (better bushing and is also replaceable.
Posted on Sep 30, 2008
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Posted on Jan 02, 2017
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