Ford F250 Superduty auto transmission whines

Asked by bluehawk Nov 14, 2014 at 09:38 PM about the 2000 Ford F-250 Super Duty XLT 4WD Crew Cab SB

Question type: Maintenance & Repair

I have a 2000 Ford F250 Superduty with a 6.8L V10 and auto transmission.  Last night I was hauling a 600# ATV, and the transmission started whining between 45 and 60 MPH, but only under load.  It quits if you let off the gas.  Shifted into neutral while rolling, and the noise stopped.  Does anyone have any ideas what to look at?

2 Answers
56,630

TransAm77 answered 10 years ago

Might not be the transmission. Check your u-joints and the rear drive shaft hub carrier(bearing assembly).

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1,930

Carpentar answered 2 years ago

Check fluid level in diff, if your rig is used for towing, it's not really meant to tow full time w standard diff, if noise is loud under load and goes away when load is removed you have a ring and pinion that have to much backlash. Backlash is large gap on ring and pinion on load side making the noise.

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