How often; if ever?

Discussion in 'General Discussions' started by Eight, Feb 26, 2011.

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  1. Feb 28, 2011 at 8:04 AM #21
    VanoFord

    VanoFord Banned

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    I change mine out every 20k tops. I try to do it every 15k, but when I am driving 2500mi/mo, sometimes its the latter. I also change my oil every 5k (which is every other month) and I get my trans flushed every 25-30k. I might be over doing it, but we'll see when I'm rollin factory powertrain and pushin 250k.
     
  2. Feb 28, 2011 at 8:50 AM #22
    mustangwarrior

    mustangwarrior Full Access Member

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    you ever opened that thing up to see how nasty the fluid gets?

    my dads buddy put amsoil in his f150 rear and said he actually picked up another 1-2 mpg, gonna change mine this summer but thats because i plan on news seals and bearings
     
  3. Feb 28, 2011 at 10:42 AM #23
    yz85rider2002

    yz85rider2002 Lowered Life

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    yeah mine will be changed here in the next month or so
     
  4. Feb 28, 2011 at 11:01 AM #24
    rrogers

    rrogers Supporting Member

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    :peace:
     
  5. Feb 28, 2011 at 4:15 PM #25
    backwoodscountryman

    backwoodscountryman Broken Truck Edition

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    I did mine back in the Summer time and changed the oe fluid and put in Royal Purple.Gotta get to the front next and will be doing that in the next 2-3months.
     
  6. Feb 28, 2011 at 4:27 PM #26
    ak_cowboy

    ak_cowboy Penguin Hunter

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    I gotta do my front and transfer case too, oil is comings up soon also...
     
  7. Feb 28, 2011 at 8:11 PM #27
    kattumaram

    kattumaram Member

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    And the Manual Says:

    :) ....100K miles according to the service manual for my '97 XLT, 8.8" non-locking differential.
    Recommended lube: 75W140 GL5 full synthetic. I used Wal-Mart Supertech 75W140 GL5 full synthetic, about $10.50/QT., half the price of the equivalent major brands.
     
  8. Feb 28, 2011 at 8:15 PM #28
    Eight

    Eight Full Access Member

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    well its nice to see im not the only one worried about it.
     
  9. Feb 28, 2011 at 8:17 PM #29
    supercrewzn

    supercrewzn Full Access Member

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    As far as I know, I'm running factory fluid with 203k on the clock
     
  10. Mar 1, 2011 at 8:24 AM #30
    deboer03150

    deboer03150 Banned

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    mine was changed at like 166000 when i had a seal go out and i was plaining on doing it this summer when i do a compleat service to it:peace:
     
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