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  1. 4x4 Drivetrain
    Seems to be a good place for this Q - 2005 TB with fault to replace front actuator. C0739 and service 4x4 light on. Replaced actuator and have same issue after clearing codes. Dash switch blinks for a little bit when attempting to switch to a 4x4 mode, then switches back to 2High on its own. I...
  2. General
    Long ago my 2003 GMC Envoy wound up stuck in 4LO randomly. The selector was set to 2HI but you could tell it was 4LO. The Transfer case motor was trying to switch ranges but was audibly struggling as if it was locked up. Long story short, I pulled the motor off and manually adjusted the splines...
  3. 4x4 Drivetrain
    This is a bit convoluted, so I'm going to try to explain this mess with bullet points: * First issue was car would not switch back into 2WD from 4WD high. If I turned switch, all the lights would flash quite a few times, then it would go back to 4WD high and stay there. Car was...
  4. Introductions
    Hi -- Ralph here -- stock Bravada AWD 130kmiles xcellent ---issues have been a few 1--AWD transfer case encoder motor locked up replaced (twice so far) 2--memory mirrors and backup settings went haywire and GM attempts to fix failed 5-times under warranty... they wore me down and it's still a...
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