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.

Looking for thoughts on strange tranny issue...?

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  #11  
Old 05-20-2014 | 07:24 PM
a7m1's Avatar
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Originally Posted by Doc Olds
Drivetrain slop. Normal for all 4x4 vehicles using a Transfer Case, every GM 4x4 I have ever owned does/did it.
exactly to the point

though even some RWD does it
my 2013 camaro ss ls3 v8 6mt has scary violent loud creepy clunk

get to 10-20kmh in 1st gear let of gas then immediatly push in the clutch hard and fast

and be surprised
can be heared with windows up ac on full blast radio on full volume
of course people outside the car are not happy either

i believe it's due to the two-peice driveshaft in camaro
 
  #12  
Old 05-21-2014 | 12:08 AM
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Originally Posted by happythree
these sound like denial of tranny trouble!
anything that doesnt feel right in a hummer is just like other cars, there is something wrong
Originally Posted by RKSmith163
My 2010 Alpha/Offroad has done the same thing since day 1 brand new. I have had it checked and of course the dealer could not find anything wrong. After going slowly going over a speed bump, I wait a second before I accelerate and it doesn't do it. Mine is not jerky, you just feel all the driveline slack catching up.
Originally Posted by Doc Olds
Drivetrain slop. Normal for all 4x4 vehicles using a Transfer Case, every GM 4x4 I have ever owned does/did it.
Good to know it's not unique, TY. My Suburban nor any of my previous Chevy 4x's didnt do it...well, maybe a little actually if I let off and got back into the pedal pretty quickly. This is just more pronounced and is so damn speed specific, but it is definitely wound a little tighter drivetrain wise than my Burban ever was. That truck you could back out of the drive and drop into Drive without coming even close to stopping and no problem...smooth as could be. My X wants a full stop, or nearly anyway.

Thanks guys...couldnt just go with "NPF" without some other owner clarification
 
  #13  
Old 05-21-2014 | 12:24 AM
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From: Pittsford, NY (Rochester 'burb)
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Originally Posted by a7m1
exactly to the point

though even some RWD does it
my 2013 camaro ss ls3 v8 6mt has scary violent loud creepy clunk

get to 10-20kmh in 1st gear let of gas then immediatly push in the clutch hard and fast

and be surprised
can be heared with windows up ac on full blast radio on full volume
of course people outside the car are not happy either

i believe it's due to the two-peice driveshaft in camaro
Say Huh?!!

Dude, I sincerely hope you buy x-warranties...
 
  #14  
Old 05-21-2014 | 09:52 AM
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From: Boat Town USA MI
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Originally Posted by a7m1
try to clean throttle body many have said it improved shifting(strange but it seems true)

i will do TB cleaning soon
Cleaning a TB has absolutely nothing to do with shifting issues, but it does have everything to do with false stall and rough idle symptoms.
 
  #15  
Old 05-28-2014 | 04:03 PM
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Originally Posted by Doc Olds
Drivetrain slop. Normal for all 4x4 vehicles using a Transfer Case, every GM 4x4 I have ever owned does/did it.
Normal for all 4x4 vehicles using a Transfer Case,
this is old but ive been checking mine since it started. so many times here i hear "they all do it,,,and mine doesnt, so i feel that mine is bad!!

but drivetrain slop from the tc just doesnt fit here. i dont feel the "slop" and i cant see the tc doing it.

it has to be tranny i think, or related controls.
 
  #16  
Old 05-29-2014 | 12:25 AM
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6 out of 6 we have owned have had the "slop" and 1 was a manual trans.
It gets worse as your tire size increases too.
You can really feel it with the 37"s.
We just wait a 1/2 a second and no slop.
 
  #17  
Old 07-03-2014 | 12:04 PM
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I have an 08 Alfa. I have the problem that you are having. It started out at about 50k. Got worse as time went by. Then started feeling vibrations while driving.
Took it in at about 65k. A lot of off roading up to the point.
Dealer rebuilt the transfer case. Bearings bad. chain was stretched. Thus the slop in the drive train. After the repair everything was back to normal for about two years. And almost no off roading.
I am once again having the same symptoms. Of course the repair is no longer covered.
I am getting ready to pull the case and rebuild it my self. I am wondering if this is a common problem with these transfer cases.
 
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