I'm getting an occasional 'Check 4wd' in dash display of 04 Chev Suburban. It will go away and come back a month or two later. A couple of days ago, while driving, I sudden felt what I would describe as a 'drag'. The truck didn't seem to roll as freely. The next time I drove it, it was back to normal and hasnt happened again. Thanks, Bob
Check for problem circuit and 4wd actuator
SOURCE: chevrolet truck 4wd switch blinks
If they are blinking I believe it means that there are fault codes present in the pcm. You need to get the computer scaned to see if there are an codes present. If you live near an Autozone or Checker autoparts they can scan it for free.
SOURCE: how to reset the the service 4wd light on a 1999 chev suburban
Fix the problems with the 4x4 and clear all of the codes. You can try and disconncet the battery overnight, That should clear the code, But if the problem isn't fixed then It will come back on, maybe when you most need 4x4
SOURCE: no power to fuel pump
Replace plug that comes from car into fuel pump on top of fuel tank. Just cut and splice it in $20 at dealer
SOURCE: the service 4wd light came up on my 04 Z71 a
is it electric shift? if ya it mite be the shifter motor. if no it can or mite be vacume lines.
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