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Rear Diff maintenance?

Discussion in '2.5 Gen Tundras (2014-2021)' started by awq735, Oct 8, 2022.

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  1. Oct 27, 2022 at 1:45 PM
    #31
    awq735

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    awq735 [OP] New Member

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    I don't drive in deep water, but I did install an elevated breather that runs the check valve up to one of the bed stiffener rails!
     
    awq735, Oct 27, 2022
    #31
    300BLK likes this.
  2. Oct 29, 2022 at 7:39 AM
    #32
    IowaGuy

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    IowaGuy New Member

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    Be sure to remove the fill plug first!
     
    IowaGuy, Oct 29, 2022
    #32
    Rob's Inferno, awq735[OP] and WILLINH like this.
  3. Oct 29, 2022 at 7:55 AM
    #33
    blanchard7684

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    blanchard7684 New Member

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    Toyota diff maintenance is so ridiculously easy it should be done for sport.
     
    blanchard7684, Oct 29, 2022
    #33
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  4. Nov 23, 2023 at 3:00 PM
    #34
    Spyker

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    Spyker I’m a dude,playin a dude,disguised as another dude

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    Can anyone confirm the direction of the aluminum crush washers for the differential bolts?
     
    Spyker, Nov 23, 2023
    #34
  5. Nov 23, 2023 at 6:20 PM
    #35
    MadMaxCanon

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    MadMaxCanon New Member

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    Too many, but not enough....
    The top cone should technically be up against the head of the bolt but I've never seen it matter before
     
    MadMaxCanon, Nov 23, 2023
    #35
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  6. Nov 24, 2023 at 3:09 AM
    #36
    Spyker

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    Spyker I’m a dude,playin a dude,disguised as another dude

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    So the ‘curved’ portion of the gasket towards the diff?
     
    Spyker, Nov 24, 2023
    #36
  7. Nov 24, 2023 at 6:26 AM
    #37
    MadMaxCanon

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    MadMaxCanon New Member

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    Too many, but not enough....
    Narrow to bolt and wider to diff
     
    MadMaxCanon, Nov 24, 2023
    #37
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  8. Nov 24, 2023 at 6:37 AM
    #38
    Markysharky

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    Markysharky New Member

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    Tundras tend to have the drain and fill plugs overly tight. So make sure you can break free the fill plug first. The Valvoline squeeze “bags” for gear oil are nice if you don’t have a gear oil pump to get all the fluid in the hole. The plastic containers are hard to get the last bit out. Also a dab of black rtv gasket maker on the threads of the drain and fill plug will ensure it won’t drip and leak for piece of mind.
     
    Last edited: Nov 25, 2023
    Markysharky, Nov 24, 2023
    #38
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  9. Nov 24, 2023 at 7:45 AM
    #39
    Ruggybuggy

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    Ruggybuggy Seasoned Veteran

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    The transfer case uses a 75w GL-4 oil. The only one I have found is Redline MT-LV.
     
    Ruggybuggy, Nov 24, 2023
    #39
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  10. Nov 24, 2023 at 9:03 AM
    #40
    300BLK

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    300BLK New Member

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    Its one of the easiest fluids to change on these trucks and its cheap. Just do it. If you're lifted its even easier. I just roll under on my creeper and can squeeze the Mobil1 bottles in without any trouble. No pumps or tubing needed.
     
    300BLK, Nov 24, 2023
    #40
    bulldog93 likes this.
  11. Dec 21, 2023 at 4:51 PM
    #41
    mpd13078

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    mpd13078 New Member

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    mpd13078, Dec 21, 2023
    #41
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  12. Dec 27, 2023 at 9:34 AM
    #42
    RustyShackle323

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    RustyShackle323 New Member

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    Just pulled the rear diff plug and found 4 very thin shavings on the drain plug. Can easily bend them, not a stiff piece of metal. Anyone seen this on their drain plug before. Has zero noises and no driving issues at time of change. Truck has 42k miles.

    IMG_8411.jpg
     
    RustyShackle323, Dec 27, 2023
    #42
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  13. Dec 27, 2023 at 9:48 AM
    #43
    AZBoatHauler

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    AZBoatHauler SSEM#140 / 2.5 gen plebe

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    It’s been seen on here a few times. Machining debris and the magnet doing its job. Fill it and run it.

    https://www.tundras.com/threads/so-changed-my-diff-oil-and-saw-this.47569/
     
    AZBoatHauler, Dec 27, 2023
    #43
    Wallygator, bulldog93 and RustyShackle323[QUOTED] like this.
  14. Dec 27, 2023 at 10:00 AM
    #44
    RustyShackle323

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    RustyShackle323 New Member

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    RustyShackle323, Dec 27, 2023
    #44
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