2003 Envoy XL SLT AWD/4WD

kborro01

Newbie
Original poster
Dec 18, 2021
9
Montana
Is there a way to test the AWD/4wd function on my Envoy. When the switch is changed to a AWD or 4WD postion, the light flashes then goes on steady. I hear the engagement motor whine. But it doesn't operate as if in 4WD. No power train codes, so I don't know if it's working electrically, but not mechanically.
 

Mooseman

Master Blaster
Moderator
Dec 4, 2011
21,822
Ottawa, ON
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Mooseman

Master Blaster
Moderator
Dec 4, 2011
21,822
Ottawa, ON

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