Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner


  1. more wheel hub questions

    I replaced my right front wheel hub in 2014 with a Tinkem and it needs to be replaced again there's around 50 k miles on it is this normal? What is the warranty on Tinkem hubs. next Question is it just started making noise how many miles can i drive on it since it's cold this week and next week...
  2. Bearing buzz, front diff

    4x4 Drivetrain
    I heard the dreaded wheel bearing buzz, but it did not change pitch when I went around a corner either direction. I thought maybe it was still a wheel bearing, so I found the drivers side to be the culprit. I took out the wheel bearing and it felt fine. I think something in the differential...
  3. Front Differential Axle Disconnect Bearing

    4x4 Drivetrain
    After reading several posts on this site, it's apparent the bearing in the front, passenger side axle disconnect has a tendency to go bad for lack of grease. An entire unit is around $500. Has anybody tried to remove the bearing itself and replace it? Sure would be nice to do that instead of...
  4. Do I need a new bearing ?

    OEM Issues
    Hi , I bought a 2002 Trailblazer LT and the front end is making a humming / rubbing noise , I bought the TB and it has studded winter tires on it , which is what I thought the noise was. But its been getting louder and now I notice its loud when I turn right and going straight , but no noise...
  5. Pulsing Vibration while driving

    4x4 Drivetrain
    I have a 2002 TB LTZ and while I'm driving there is a vibration sound/feeling through the gas pedal. It sounds just as if 4WD is engaged, but it's not. It is very loud when around 30-40 MPH. My Transfer case actuators are working but switching between 2HI and AWD and 4WD sounds no different as...
  6. Advise on diagnosing front inner bearing replacement.

    4x4 Drivetrain
    I would like to confirm that the inner bearing on the driver side needs to be replaced. When I Grab the end of the CV going into it, there is up and down play. Don't know how much if any is normal or if there should be any play at all. The hub on this side was recently replaced, reducing the...
  7. Front pinion bearing removal

    4x4 Drivetrain
    I have a 2006 4x4 and am my front outer pinion bearing burned up and the seal was blowing oil. I didn't have any problem pulling the front axle or yoke off, or the seal. But, I can not get the outer pinion bearing off. I have tried my two bearing pullers but because of the tight space, I can...