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4hi

  1. 4x4 Drivetrain
    Hello everyone I have a 06 trailblaze ext w/a six I was drivng it and pulled into a driveway on a steep incline, When I backed up with the wheels turned sharply , i heard a loud banging realive to the wheel speed. would drive fine straight on. Wifes had the truck and driven it in auto almost...
  2. General
    I have been reading other posts about probs with the switch on the dash and/or the TCCM, but what led to repairing/replacing either of those isn't similar to the issue i have. About 2 weeks ago, i turned my truck on and the light on the switch showed it was in 4hi, but the switch was pointing...
  3. 4x4 Drivetrain
    I have a 06 tb and haven't needed to use the 4wd until this winter. Pulled out onto my street back tires spinning with a4wd. I had to creep really slow to get going. Switched it into 4hi, same thing. Came to a stop, put it in 4low and I felt and heard it engage, so i know 4low works. I haven't...
  4. 4x4 Drivetrain
    When the car is put into 2wd it drives just fine when its put in 4hi it clunks and feels like I'm driving over bumps. I can hear a buzzing noise when I'm switching between 2wd and 4hi but i don't get a little switching jerk forward. I went to an auto shop and lifted the envoy they said its...
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