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Chevrolet Trailblazer 4x4 Problems

14 messages,  Last post on Apr 21, 2009 at 9:20 AM

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#7 of 14 kurt by kluling Feb 29, 2008 (7:39 pm)
were exactly is the transfer case actuator
#8 of 14 Transmission problem: 2006 Chevy Trailblazer 4wd 31500 mi by rockside Mar 13, 2008 (9:05 am)
Hi, I have a 2006 Trailblazer (Extended) with 4 Wheel Drive. It works great in 2WD or 4 Wheel High. However, when I set it to "Auto" and I drive up a hill, something seems to "Slip" / "Clunk" about every 3 seconds. I took it to the dealer and they "could not find anything wrong" and asked if I was driving on Ice or in wet conditions. I have tested it in completely dry conditions and it always portrays the same symptoms when driving up a hill. What is likely the issue? Is this normal? I never noticed it until this year, and we live in a snowey area, so have often driven in "Auto" since we had the car. Replies to this message: _Schoony_ (Dec 11, 2008 5:30 am)
#9 of 14 Problem with Trailblazer 2008 4X4 by jcgr23 Jun 01, 2008 (12:40 pm)
Hi everybody,   I have a 2008 Trailblazer 4X4 (2 moth old) but I am a little disappointed about the 4X4 feature of this car. When I select the 4hi or 4low in off-road conditions, it seems that while driving I can't turn the steering wheel to the left or to the right more than certain angle because the car can not move freely; I feel that the car is braked and with some stress in the front axle. Is this normal???. I owned a Blazer 4x4 1999 and this did not happen while using the 4x4 feature. Also, sometimes the engine is too noisy due to the cooling fan. The engine losses power and the fuel consumption increases. Now this situation is more frequent and it seems that the cooling fan is engaged at all time. I understand that the cooling fan in this car is not electrical (it is mechanical) and is engaged only when engine is hot enough but the cooling fan is engaged even when the engine is cool. I just want to know more about this problem to be well informed prior going to the technical service for the guarantee...You all must know how that people are when talking about guarantee!!!!! Replies to this message: mfarrar (Sep 12, 2008 5:02 pm) jr007 (Apr 21, 2009 9:20 am)
#10 of 14 Re: Problem with Trailblazer 2008 4X4 [jcgr23] by mfarrar Sep 12, 2008 (5:02 pm)
Replying to: jcgr23 (Jun 01, 2008 12:40 pm) The problem with turning the vehicle is because the 4 wheel drive is working correctly. When you select 4H or 4L it locks the rear axle. This mean that it makes the rear tires spin at the same speed and as one. In normal 2wd operation the tires spin freely of each other. When you turn to the right the wheel on the driver side has to spin faster to keep in sync with the inside tire on the right.   But when you are in the snow, or on ice the tires wont spin at once. One will spin while the other just sits there.   I would not suggest using 4 low unless your trying to go up a very steep hill or trying to climb a mountain. And i would only use 4H if it was very muddy or if AWD wasn't cutting it in the snow or ice.   You can really hurt your axles by driving around in 4H if the terrain isn't loose enough for the tires to slide on. Stick with AWD or 2H. Replies to this message: jr007 (Apr 21, 2009 9:20 am)
#11 of 14 Shifts by itself. by pipex Oct 26, 2008 (1:44 pm)
My 2002 has a problem that still exists after 19 trips to the dealer. It has 58,ooo kms. on it only.   I leave it set on 2WD and at times all other lites on the selector flash or stay on etc. It shifts into 4High and when I slow down it goes into 4Low by itself.   Anyone else have issues like that.
#12 of 14 Re: Transmission problem: 2006 Chevy Trailblazer 4wd 31500 mi [rockside] by _Schoony_ Dec 11, 2008 (5:30 am)
Replying to: rockside (Mar 13, 2008 9:05 am) I had a similar problem with my '02 Trailblazer. After about half a dozen trips to my dealer, they found that a few ball bearings had come loose in my transmission.
#13 of 14 4x4 hell by jay135 Dec 18, 2008 (11:22 am)
HI everyone names J. Anyway i've got the same problem with the transfer case control mudule thats what the code says. The dealer told me that might not fix the problem but 100 an hour they can "look" at it.  MIne is a 2002 with over 100k. My mechanic had to take the fuses out and put back in to wake it up now i've got the service light so its communicating with itsself but inoperable.   Does anyone know if this is a recall issue? Or were to find a complete list of recalls for these trucks that would be great.                                          J
#14 of 14 Re: Problem with Trailblazer 2008 4X4 [mfarrar] by jr007 Apr 21, 2009 (9:20 am)
Replying to: mfarrar (Sep 12, 2008 5:02 pm) Hello....          So let me guess this right, When it brakes as your turning its normal? I have A 02 4X4, and it does the same thing that the jcr23 says, the only diference is that i emediately stop because i felt like something was going brake I stop put it on neutral and swith the knob back to the 2hi. So its ok to give it more gas to continue when its on 4hi and it brakes when you turn?? I'm new to this 4x4 thing.. thanks

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