I gave my dad my Truck last night, this morning I get in to come to a stop sign and I hear a whining Gear noise as I come to a stop, now I know he had it in 4x4 last night so I put it in 4X4 and drove it for a mile then I disengaged at 15MPH it made a spooling sound like something was winding down.
After that all was fine, I have to take the truck on 4000 Mile trip next week and I'm a little concerned.

 

So I get in the truck after work,and it makes the gear whining noise again,now as soon as I put it in 4x4 it goes away??
What gives??

 

Sounds like you may be having problems with the IWE's. If those, it could be the vacuum lines are bad, solenoid bad, or IWE's are bad. Only other possibility would be the transfer case, maybe not disengaging fully. Unfortunately, we can only guess at the possibles.

 

Thanks Kingfish
I drove it home it makes a whining noise in 2wd and it goes away in 4wd?

 

More than likely it is the the IWE's. Unfortunately they don't have the best track record. If I were you I would take the truck into the dealer, or other mechanic that you trust, and get it fix. Especially before your big trip next week.

 

Thanks guys
I found long list of people with the same problem over at Transmissions.
Please close the Thread.

 

No need to close it, and it would be good if once the problem is fixed you report back with the fix. Never know when something new might show up.

 

i would change the solenoid on the firewall behind the battery. a whole lot cheaper and easier. if it has the old style without the cover to keep rain off it should be changed anyway. you mightget lucky. i got my solenoid for 15 bucks. the dealer i think is 35

 

I have this same problem what do I do

 

I replaced the right side 4x4 vacuum something(it operates the hubs). It was better for a day and the noise came back(not as loud)
So I had the left side replaced also,so far so good.

 

I pinched of the vacum line, noise went away. So i bought a new solenoid seems to be good for now. Thanks