4wd not engaging

[rezotop]

hi, I've done a search but didn't the same problem as mine, the 4 hi or 4 lo on my 1996 yukon 5.7 don't engage and the 4lo light is always blinking, any idea
thanks

 

[SunlitComet]

Put it in neutral and press the 4lo button. Do you hear and feel kind of a big clunk? I quiter one when you press 4hi? If so, then your shift motor is likely working and you should inspect the front axle actuator and feedback switch for issues.

 

[rezotop]

thanks, Ill try this later this week cause this morning it was -30 over here

 

[Nosferatu49534]

I'm having similar issues. My 4 hi works but can't get 4 low to engage. I know where the front axle actuator is, but is the feed back switch the button I push on the dash or is there another "switch" under the car? And what's the best way to test?

---------- Post added at 09:08 PM ---------- Previous post was at 08:57 PM ----------

I forgot to say when I push the 4 low switch it just flashes. I also just replaced the transfer case motor. Also I'm hoping that me posting this on this persons thread instead of starting my own.

 

[SunlitComet]

you put it in neutral first? for 4low that is?

 

[Nosferatu49534]

Yes I do.