Whats the problem

I ahifted into 4x4 hi and the noise isnt there its oly after about 55 and then the noise gwts louder as it decelerates and stops once it pops

You've misunderstood - next time while you are driving and the noise starts -THEN shift into 4x4 HI to see if noise changes or stops completely! .. I am very familiar with this vehicle - this test is an important step to determining the problem... IF the noise stops after shifting into 4x4, I know exactly what the problem is! You can shift into 4x4 HI at any time, so 'when' noise STARTS - shift to 4x4... Post results.

It stopped the noose conpletley when i shifted into 4x4 hi it shook a lottle bit a little more vibration than normal but it stopped the noose completley

There is a vacuum switch that controls 4x4 mode mounted on the transfer case that has failed and causing front axle gear grinding (whining) noise while in 2wd .. There are 3 vacuum hoses attached to this switch .. Google the NAPA part number for pictures... Takes a 7/8 wrench to R&R this switch. .. It a little tough to access so you might want to consider having repair shop install it for you. NAPA PART # NOE 6002935 I'm not going to type out all of the exact details on how the 4x4 system works here but > That'll FIX this problem!!

Thank you so much i forst thought it was front axels so ive replaced alot of the feont end just trying to find this problem

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