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  1. 02-09 General Tech Q&A
    Hi. I'm new to this site and hoping someone here may be able to help with my 4wd problem. I have 05 trailblazer. About a week ago my service 4wd light came on. Shortly after all the lights on my 4wd switch went out and my rig was stuck in 2wd. I had the codes checked and the mechanic told me...
  2. 4x4 Drivetrain
    First off, thanks for the awesome forum that's saved me countless hours and dollars. Symptoms: Switching to any 4wd mode causes switch light to blink on that mode while clicks and whirrs occur as expected, but light goes back to 2wd & service 4wd light comes on. No apparent power in front...
  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. 4x4 Drivetrain
    So, here's the rundown of what's been going on , what i've done and where i'm at. The Service 4WD light has been on steady while in 2WD in all kinds of weather, rain, snow or shine, for about a year now, but occasionally goes away and 4WD does work, but then light comes back on and away goes...
  5. 4x4 Drivetrain
    have a little problem. My 4x4 engages in 4Lo and 4Hi. But when it disengages I cant nget it to 2Hi it stays stuck in A4wd. I was told it was the Actuator. How do I change the actuator and where is it located?
1-5 of 7 Results