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Trans oil

Discussion in 'Ford Trucks' started by FISHERBOY, Jul 31, 2009.

  1. FISHERBOY

    FISHERBOY Senior Member
    Messages: 542

    Just wondering if i should change my trans fluid in my f-350 diesel dump yearly, regardless of the 30,000 miles says the experts, i use it alot for plowing not so much in summer time, the trans was new in 06 it was changed last season before winter
     
  2. Chrisxl64

    Chrisxl64 Senior Member
    from CT
    Messages: 574

    IMO changing, or I should say EXchanging the fluid yearly can't hurt. When I got my 350 with the 5r110w (TorqShift) the dealer told me it's a good idea to change it yearly if towing and hauling and plowing alot. Tranny fluid like any viscous fluid breaks down over time from cycling from hot to cold hot to cold, and exchanging it with new fresh fluid can only help. Have it down by someone with an exchange machine versus just dropping the pan.
     
  3. ABES

    ABES PlowSite.com Addict
    from MN
    Messages: 1,322

    Fluid and filter every year if its worked at all.
     
  4. mvhauler

    mvhauler Senior Member
    Messages: 170

    May be a drain plug in the torque converter. There is on my gasser.
     
  5. adksnowo

    adksnowo Senior Member
    Messages: 370

    Should be a drain bolt in the pan already. Change the filter. The gasket is semi-hard to find as I think it is a self torque limiting deal on the gasket. It is also an opportunity to run synthetic. I run amsoil ATF, can buy it in 5 gal. box, 2, 2 1/2 gal. containers. Expensive, but so is a tranny rebuild! BTW, I do my tranny fluid annually.