Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

h3 4wd issues

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Old Feb 22, 2021 | 12:31 PM
  #1  
bbstastny's Avatar
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Default h3 4wd issues

I have a 2007 H3 this past week I had it in 4wd high lock a few days while driving on the snow. I took it out and back in 4wd high as normal on thursday. Sunday drove about ten miles then it started
making this clicking noise. any suggestions
 
Old Feb 22, 2021 | 01:11 PM
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How many miles on your H3? Last time you did a oil change in T case, Transmisson??
 
Old Feb 22, 2021 | 01:25 PM
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See the OP's duplicate post in the correct section for H3 questions.... the H3 Section.

Welcome to HF.
 
Old Feb 22, 2021 | 03:15 PM
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Welcome...
 
Old Feb 22, 2021 | 10:11 PM
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Just had everything serviced two weeks ago
 
Old Feb 23, 2021 | 09:44 AM
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Welcome to HF
 
Old Feb 23, 2021 | 11:09 AM
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Originally Posted by bbstastny
Just had everything serviced two weeks ago
If changing the T Case fluid is included in everything, was your service provider aware that 2006 and early 2007 (if yours is one of them) need to add additional fluid through the speed sensor hole?

From an old Draketh post. I do not know where he got it from,, but the important stuff is correct.
"Transfer Case....MAKE SURE TO READ THIS CAREFULLY FOR CORRECT FILL LEVEL and RECOMMENDED FLUID. THERE ARE DIFFERENT FILL LEVELS AND DIFFERENT FLUIDS
Approximate capacities (see below) 1.5 liters/1.6 quarts

Again, recommended to raise or make sure vehicle is level.
Remove the drain plug and allow the t/case to drain.
After draining fluid, install pipe sealant to the drain plug and torque to 18 lb ft or 25 N.m.
Remove the t/case fill plug, and fill to bottom of fill plug hole:
2006 and 2007 Model Year Vehicles use manual transmission and transfer case fluid
2008+ Model Year Vehicles use Dexron VI trans fluid.

Apply pipe sealant to fill plug and torque to 18 lb ft or 25 N.m.
NOW, for all 2006 Model Year Vehicles and for 2007 model year vehicles if the VIN is 56TDN13E778100102 or prior:
Remove the speed sensor connector (top rear of t/case), then remove the speed sensor.
Add 250 ml (8.45 oz) of manual transmission and transfer case fluid through the speed sensor hole.
Install the speed sensor and tighten to 13 lb ft or 17 N·m. Then install the speed sensor connector to the speed sensor.
This additional fluid is needed.


Adding fluid into the speed sensor hole is not required for 2007 vehicles built after 56TDN13E778100102 or 2008+ vehicles."
 
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