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Questions about rear diff and 35K service

Discussion in '2.5 Gen Tundras (2014-2021)' started by SD Surfer, Jun 13, 2025 at 8:33 AM.

  1. Jun 13, 2025 at 8:33 AM
    #1
    SD Surfer

    SD Surfer [OP] Globe Trotting Bon Vivant

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    What are most shops charging for fluid change on rear diff, vs. how much are you spending for premium fluid to DIY?

    I (and my back) really don't enjoy wrenching like I used to but I also don't like spending ridiculous money on something simple.

    What else is involved in the 35K service? Anything super spendy?

    Thanks in advance. Dropping it off soon, just trying to decide how much to have him do.

    2019 bought it w/20K miles, did a drain/fill @ 30K so that's covered for a while.
     
  2. Jun 13, 2025 at 4:44 PM
    #2
    SoTexTundra

    SoTexTundra New Member

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    When I did my 30k service a few years ago from the dealership which was the front, rear diff and transfer case and engine it was either over 600 or 900 dollars which was ridiculous either way. I have the receipt somewhere but that was the last time I dealt with a dealership for simple maintenance items.
     
  3. Jun 13, 2025 at 7:31 PM
    #3
    MadMaxCanon

    MadMaxCanon New Member

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    Too many, but not enough....
    Rear differential is 40 bucks in fluid.
     
  4. Jun 13, 2025 at 7:37 PM
    #4
    phabej

    phabej New Member

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    It's easier than transmission fluid service.. just that you'll have to crawl on your back to get to the plugs.

    Items Qty Price
    Toyota Tundra Transfer Case Differential Fluid Change Kit - 2013-21 Ravenol

    SKU: F6A1000-A-BDL

    1 $207.55
    Front Differential Fluid
    2 x RAVENOL Gear Oil DGL 75W-85 GL-5 LS 1L $23.95

    Rear Differential Fluid
    5 x RAVENOL Gear Oil DGL 75W-85 GL-5 LS 1L $23.95

    Transfer Case Fluid
    2 x RAVENOL Gear Oil MTF-3 75W 1L $19.95

    Subtotal $207.55
    Shipping & Handling $0.00
    Tax $17.64
    Grand Total $225.19
     
    ATV25 likes this.
  5. Jun 13, 2025 at 8:06 PM
    #5
    Red&03Taco

    Red&03Taco YUT

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    I would just use the following:

    Front & Rear Diffs:
    Valvoline 75w-90 (squeeze pouches) - 6 quarts ($14/qt - $84 total)

    Transfer Case:
    Redline MT-LV - 2 quarts
    ($25/qt - $50 total)

    Grand Total - $134 + tax
     
  6. Jun 13, 2025 at 9:08 PM
    #6
    TheBeast

    TheBeast The Beach

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  7. Jun 13, 2025 at 9:25 PM
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    Azblue

    Azblue Beer is Good Staff Member

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    The Dirty T ( ^_^)_且
  8. Jun 14, 2025 at 12:02 AM
    #8
    bigmace

    bigmace New Member

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    Yep +1 to the valvoline squeeze pouches in all 3. Did my Sequoia last summer no issues and will probably do the Tundra later this summer as well.
     
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  9. Jun 14, 2025 at 2:49 AM
    #9
    agrestic1

    agrestic1 New Member

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    TheBeast and ATV25 like this.
  10. Jun 14, 2025 at 3:55 AM
    #10
    Corndog123

    Corndog123 New Member

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    Rough Country suspension, 305s, ARB bumper, light bar, Smittybuilt 10k winch. XD Buck 25 rims
    I need to do mine. Already got all the quarts. Just need to do it!!
     
  11. Jun 14, 2025 at 4:58 AM
    #11
    pyrite12

    pyrite12 New Member

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    I think I paid about $450 for a small independent shop that I trust to do mine at 40K last year. Engine/front & rear diff/transfer case and a tire rotation. Dealer gets about $130 for an oil change if I remember correctly and quoted me like $420 for front/rear diff only at 30K.
     
  12. Jun 14, 2025 at 6:50 AM
    #12
    Johnsonman

    Johnsonman New Member

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    LED headlamps/fogs; interior footlamps.
    I was lazy on the rear diff on my sequndra - took it to a Valvoline Oil Change center - 10 mins later and $70 = Done.
     
    Corndog123 likes this.
  13. Jun 14, 2025 at 11:18 AM
    #13
    TheBeast

    TheBeast The Beach

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    TBH it is an easy job. plenty of great videos online. Less messy than the oil change lol.
    Made a big difference on my truck. I don't think it was ever done in all 85K ;) much smoother when engaging 4x4.
     
    SD Surfer[OP] likes this.
  14. Jun 14, 2025 at 11:29 AM
    #14
    SD Surfer

    SD Surfer [OP] Globe Trotting Bon Vivant

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    Thanks guys, appreciate the collective wisdom as always.
     

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