Hi, I have a 2004 Envoy XUV with a speedometer that erratically shows a higher speed. After researching, I'm convinced that I need to replace the stepper motors in my instrument panel. I am handy and can replace them, but I don't have the instructions. Can you provide free instructions?
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It is part of the throttle body. If you want to replace the throttle position sensors. You will have to replace the throttle body as a unit....Note: There should be two of them in your scan tool data screen.
check the fuse/relay. if it is neither of these check the switch with a multimeter. If you can hear the motor trying to move the glass when you try the switch it may be the regulator needs attention. It may be the motor needs to be replaced.
check fuse and relay along with the switch first then the regulator and motor afterwards. Replacing the small electronics is obviously easier than having to open up the tailgate to check the mechanics of the winedow.
this is the exploded view of tailgate https://www.gmpartscenter.net/v-2004-gmc-envoy-xuv--sle--4-2l-l6-gas/body--tailgate this is removal and working on an xuv https://www.youtube.com/watch?v=MLQLAD8xOPk
There was not a recall, but there was a class action settlement where GM
agreed to extend the warranty on certain vehicles for this problem. I don't think the Envoy is covered, but you can check www.gmspeedometerrecall.com
to see if you qualify.
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