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  1. 4x4 Pass 1/2 shaft bearing question

    4x4 Drivetrain
    Hi, I'm woring on my '02 Envoy XL 4.2 4x4. I am having that squeaking noise at low to medium speeds when the truck is hot. I was told that the seal on the CV axle was worn, and needed replacement. I went to GM, got the part, took it all apart only to find that they gave me the wrong part...
  2. Transfercase/transmission acting up?!?

    4x4 Drivetrain
    Hey everyone, I am new to the site, but it looks to be very helpful with everyones combined knowledge. My wife and I just bought a used '04 trailblazer with about 50k miles on it. So far we love it! However lately we did have to take it in to get serviced because the thermostat housing was...
  3. My '07 trailblazer

    My '07 trailblazer

    over looking Ellijay, GA
  4. 4Lo and 4Hi is getting me stuck in the snow

    4x4 Drivetrain
    When I'm in deep snow and need 4 wheel drive I put it in neutral and shift to 4 Lo. I can hear it shift and can feel it is in a low gear ratio, but when I put it in drive I am instantly stuck and can only see one wheel spin. The same with 4 Hi. Now, if I put it in AWD I can drive right out of...
  5. No 4x4hi only 4x4lo?

    4x4 Drivetrain
    It seems like my little TB has the flu! Alot of strange symptoms lately. Other than the security light coming on and off by itself and the 4x4 selector light either not on or blinking then going off. (sometimes they stay on an work fine) but wth the recent snow in chicago I went and put it in...