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3rd gen Rear Diff fluid

Discussion in '3rd Gen. Tacomas (2016-2023)' started by TylerSOB, Jun 21, 2019.

  1. Jun 21, 2019 at 10:04 AM
    #1
    TylerSOB

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    TylerSOB [OP] Active Member

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    Anybody know what type of diff fluid goes into the rear diff of the 2018 4x2 trd sport double cab? I can only find write ups of 2nd gen and manual trans and I'm not sure if there will be any major differences between the 2. TIA
     
    TylerSOB, Jun 21, 2019
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  2. Jun 21, 2019 at 10:08 AM
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    splitbolt

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    splitbolt Voodoo Witch Doctor

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    75W85 GL-5
     
    splitbolt, Jun 21, 2019
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  3. Jun 21, 2019 at 10:24 AM
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    TylerSOB

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    TylerSOB [OP] Active Member

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    Thanks, do you know if it needs any extra additives?
     
    TylerSOB, Jun 21, 2019
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  4. Jun 21, 2019 at 10:31 AM
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    Skydvrr

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    Skydvrr IG: @kalopsianick

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    Skydvrr, Jun 21, 2019
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    SR-71A likes this.
  5. Jun 21, 2019 at 10:35 AM
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    shakerhood

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    shakerhood Well-Known Member

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    No additives needed.
     
    shakerhood, Jun 21, 2019
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  6. Jun 21, 2019 at 10:36 AM
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    skierd

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    skierd Well-Known Member

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    It’s also spelled out in the owners manual; oil quantity needed is also listed. I just changed my 4 x 4‘s diff oil to Amsoil severe gear
    $28 75W 90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75W 90 after 35k miles. The rear diff looked like it was probably OK but the front came out almost completely black on my truck. If you have a level parking pad to do the work this is maybe a 20 minute job super easy.
     
    skierd, Jun 21, 2019
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  7. Jun 21, 2019 at 12:18 PM
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    TylerSOB

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    TylerSOB [OP] Active Member

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    Lol. So spoiled with relying on the internet these days that I forgot about the damn owner's manual smh
     
    TylerSOB, Jun 21, 2019
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    skierd[QUOTED] likes this.
  8. Jun 21, 2019 at 12:18 PM
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    TylerSOB

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    TylerSOB [OP] Active Member

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    I appreciate the help guys.
     
    TylerSOB, Jun 21, 2019
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  9. Jun 21, 2019 at 12:39 PM
    #9
    skierd

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    skierd Well-Known Member

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    No worries! Make sure you get a set of drain and fill plugs for the diff too. They are one time use as the washer deforms under torque to stay sealed. You can reuse the original washer after filling and driving for a while, but replace with a new one when you finish the final level check. The set on Amazon is like $12 but includes washers for the front diff and transfer case which you won’t need.

    I swear my truck drives better with the new gear oil, but it could just be that I feel good about doing maintenance.
     
    skierd, Jun 21, 2019
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    splitbolt and TylerSOB[OP] like this.

Products Discussed in

Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
$28.00
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