Was out off roading in the mud while hunting. I never went over 10mph while in 4wheel. The trucks suspension has been powerwashed and probably cleaned about 50 pounds of mud off. The noise sounds like there is something in the brakes(screeching) however I am positive the brakes are clean. The noise only starts at or about 2k rpm with my foot on the throttle, it goes away as soon asI lift my foot off the pedal, itgets worse the higher therpm also this noise goes away when I put it in 4wheel drive. Any ideas where to look? thanks

 

Hi, you might have a problem with one of your front wheel hub for the 4x4. If you're not driving and you rev the engine to 2000 RPM's and above, do you still have your noise?.

Nic.

 

thats what I am thinking, just notto sure on how to tear into it. No there isnt a noise unless it is in gear

 

You may have got some mud, dirt, pebbles, etc. into some spots they shouldn't be.