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Slight Chatter Grumble After Diff Fluid Change

Discussion in 'General Tundra Discussion' started by Professional Hand Model, Sep 18, 2018.

Page 2 of 2
  1. Dec 13, 2019 at 5:58 PM
    #31
    Drock99

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    Drock99 New Member

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    I think it probably will. Funny Lucas told me without hesitation that LSDs need friction modifier.
    Also to clarify mine is less of a noise and more of a feeling in the rear. Literally a split second clunk. Did get better when I added 3 ounces but not gone.
     
    Drock99, Dec 13, 2019
    #31
  2. Dec 13, 2019 at 6:17 PM
    #32
    Tiamat

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    Tiamat New Member

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    Most Toyota fluid is rebranded Mobil one with special additive packet .
     
    Tiamat, Dec 13, 2019
    #32
  3. Dec 21, 2019 at 1:19 PM
    #33
    Drock99

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    Drock99 New Member

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    Took my truck for a long highway run and I actually notice the slip/clunk/vibration when turning under acceleration from a dead stop was more noticeable in the rear when I got off the highway. Not sure why that would be?

    Haven’t added the extra ounce yet but I see my future dumping the diff oil and going with something else.

    I wonder if driving it like this isnt good? I have notice that upon slow acceleration while turning I get no noise at all.
     
    Drock99, Dec 21, 2019
    #33
  4. Jan 1, 2020 at 9:01 AM
    #34
    Drock99

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    Drock99 New Member

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    Just a quick update as this may help others in the future. I added another ounce of limited slip additive for a total of 4 ounces. Initially I didn’t notice a difference even after driving around town for what seemed like an hour. By the afternoon I noticed all was quiet. I thought it might be due to the temp warming up from the low 30s to about mid 45 but I think it just takes time to throughly mix. I’ve done another 6-7 test drives with the truck at varying temps and I notice no slip or noise at all. I’m calling this cured. I used Lucas 80w90 conventional gear oil with 4 ounces of the same additive recommended from a post earlier in this thread.
     
    Drock99, Jan 1, 2020
    #34
    Moon Puppy likes this.
  5. Jul 27, 2023 at 6:36 PM
    #35
    SpitlerA

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    SpitlerA New Member

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    Thanks for all the info here.
    I mistakenly put Lucas full synthetic
    $39 75w-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)
    75w-90 and 2 LSD additives (4oz) and got medium chattering/skidding during turns under 20mph.
    I drained the fluid a second time and put exactly 3 quarts of Castrol 80w-90 Gear Oil, Limited Slip. (No extra additive- parts store says it’s already in there).

    After driving a mile and making 2x 360s in a grass parking lot- all scrubbing disappeared.

    Hope this helps you.
     
    SpitlerA, Jul 27, 2023
    #35
    WFD473 likes this.
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TRIAX Synergy Gear Max 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)
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