Originally Posted by bartlett
yep if you get on the gas it will engage. its a on demand/awd system you have not locked . only a clutched engagement. unlike the trucks without the auto option 4wd is locked together inboth 4wd high and low.
This is absolutely not what is happening. If it is on your truck, you need to get it serviced.
And no, I am not putting my truck on a floor jack in 4 Hi to test this. Nor should anyone else.