Question about 2006 Hummer H3

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I have a 2006 hummer h3. the 4wd is still locked in high and wont come back to normal . i haved read the manual and did everything

Transfer case seems to be stuck.

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: hummer h2 transfer case

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

  • 3 Answers

SOURCE: ac in 2006 hummer went out without warning

I am a Service Advisor for a Hummer Dealer. I can tell you that we have seen some of the 06 h3's with the same problem you are having. The blower motor resistor and harness will probably need to be replaced. The connectors on these have a tendency to melt. If you are still in factory warranty, it will be covered under your warranty, otherwise at the dealer the repair runs around $650.00 parts and labor. Hope this helps.

Posted on Jul 06, 2009

abdoush
  • 12 Answers

SOURCE: transferbox problems

It's actually stuck on the 4xL, if you keep driving it it might coz a big damage to ur 4wd gear box.
you should change the transferbox (it cost here in Dubai around 1350 US$ with labor charges).
it happened to me 2 months back.

Posted on Sep 08, 2009

  • 1 Answer

SOURCE: rear output shaft seal on transfer case

How to remove axle shaft seal on hummer H2

Posted on Dec 13, 2009

  • 5 Answers

SOURCE: I have an h3 hummer

try putting it in 4wd and go forwards a few feet and then put it back in 2wd then backup a few feen and stop and see what happens.

Posted on Jan 06, 2010

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I have locked high 4 wheel for 10 miles in mistaken and then listened a noise


when you use 4wd on hard surface ,there is a result called torque wind up that occurs in the transmission and drive lines. This is because the tyres cannot slip to even out the torque
The noise will be the transmission,transfer case and the diffs and drive lines reacting to the torque wind up.

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I put the truck in neutral, switch to 4x4 high and the front tires on the dashboard will only blink and the 4x4 high or low will not engage.. neither of them working even though I hear that little clicking...


there are 2 switches inside of the transfer case. they are screwed into the bottom of the transfer case. you may have an issue with one of them or both. by the way, you dont need to put the truck in neutral to shift the truck into 4x4 high. you can doit while you are moving. try that also. you do need to stop to put it in 4low. but i would be looking into those switches screwed into the transfer case. we/nissan had some issues with those.

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My 2006 Hummer H3 is not coming out of lock position. Indicator light says its in the normal 4 wheel drive but it doesn't feel like that when i am making a hard turn. I tried driving in reverse as well as letting it sit in the garage overnight. What is prob?

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3 Answers

06 Jeep Wrangler making a loud clincking or grinding when turning


Hi there,

By any chance is the transfer case engaged?

A locked drive train could account for the noise being made only on turns.

Bring the transfer case to neutral then back to 2-high.

Or try to duplicate the problem by putting it into 4-high. THAT way the dealership would know exactly what to look at.

BEST REGARDS
Mike

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1 Answer

4x4 transimission clunks when engaged?


When engaging the 4WD system, you are pulling the lever on the Transfer Case right? Not the transmission, it's a different gearbox.
There were several versions of transfer cases that used both full and part-time 4 wheel drive.
From your description this sounds like a part-time transfer case.
Going with that, it is somewhat normal to hear and feel a mild clunk when engaging 4WD high range, especially if you are at a complete stand-still or under full throttle.
Try engaging 4WD High while slowly rolling at idle - no throttle. It should pull in fairly smoothly.
Once 4WD is engaged it will literally LOCK the front and rear axles together. So do not do it on hard dry pavement.
These older style 4WD systems need a little "give" especially when turning. The engineers assume you are not engaging 4WD unless you are in a somewhat slippery scenario.
Many CV joints, axles, U-Joints, differentials, and transfer cases are damaged and broken by folks who don't understand this.
Reading the owners manual should provide a clearer description of what you've got.
Bear in mind that when you come out of 4WD it may not completely release, again due to hard pavement binding up the axles. You can try this: backing up 10-25 feet in a straight line, or getting one set of wheels on the shoulder or in some gravel. That should allow it to release the transfer case and go back to everyday 2WD high.
I hope this helps.
:)

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