2004 s-10 4WD light on but 4WD not working
I had the vehicle in 4WD and pushed the button to switch back to 2WD. It went back into 2WD but the indicator light says 4WD. No matter which button I push it says 4WD, but it is still in 2WD. Any advice would be greatly appreciated. I was going to take it to a shop. We are on an island in Hawaii and the first appointment is 3 weeks from now.
There is a vacuum assisted diaphragm/actuator that engages the front differential that is located in the engine compartment. These freeze up or there could be a vacuum leak which could be the cause. If it's locked in 4 wheel drive, it sounds more like a mechanical problem. Check out this video for more info: https://www.youtube.com/watch?v=IP0jhBG0jv4
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