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Front Rear Diff/Transfer Case and Manual Trans Gear oil Change

Discussion in '1st Gen. Tacomas (1995-2004)' started by Snowater, May 19, 2021.

  1. May 19, 2021 at 7:07 PM
    #1
    Snowater

    Snowater [OP] Well-Known Member

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    Pete
    GJ Colorado
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    19 TRD OR DCSB White,00 Tacoma sr5v6 5 speed( silver queen)
    Time for front and rear differential, transfer case and manual transmission gear oil change on my 00 Tacoma. Looking in my owners manual I see 75W-90 GL4 or GL5 recommended. Rear diff says 90 weight above zero or 80w or 80w-90 below zero. Anyone use 75w-90 in everything. Any particular brand? Synthetic or dino oil?
     
    1997tacomav6 likes this.
  2. May 19, 2021 at 7:15 PM
    #2
    drr

    drr Primary Prognosticator

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    I use Lucas synthetic 75w-90 in both diffs and the transfer case, works great. Can’t speak to the manual transmission from personal experience, but most people recommend Redline MT-90.
     
    Wulf and Snowater [OP] like this.
  3. May 19, 2021 at 7:31 PM
    #3
    Black DOG Lila

    Black DOG Lila Well-Known Member

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    Vehicle:
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    Stock. EZ pass.Dump pass.Inspection sticker.Convict printed lic.plates.FG cap.
    75w90 diffs and Tcase
    Redline Mt90 Tranny
    Always remove fill plugs before drain plugs and clean the HEX plug before inserting wrench.
    REPLACE crush washers with new
    Rexka 12pcs Transfer & Differential Service Gasket Kit Compatible with Toyota Lexus 4Runner Land Cruiser Tundra Tacoma FJ Cruiser Highlander RAV4 Sequoia Sienna 1215710010 9043024003 90430A0003 https://www.amazon.com/dp/B07CJHTDVV/ref=cm_sw_r_cp_apa_glt_i_K3G4A572TBEGKNYPJJHY?_encoding=UTF8
    AND
    Replace the diff vents.
    Dorman 924-262 Axle Vent for Select Toyota Models https://www.amazon.com/dp/B00NF1SLT8/ref=cm_sw_r_cp_apa_glt_i_N7W8Z153YRWN2Z65VKRY?_encoding=UTF8
     
    Last edited: May 19, 2021
    Snowater [OP] likes this.
  4. May 19, 2021 at 7:35 PM
    #4
    0xDEADBEEF

    0xDEADBEEF Well-Known Member

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    Rust, dents, miles, extra metal.
    I did MT90 in my MT a few weeks ago and I think it definitely shifts better, getting into first was a rough spot and its easy now.


    If you're doing both tcase and transmission, consider removing the shifters and filling them from the top, and maybe do the shifter bushing on the MT while you're in there. Just be prepared to re-seal when you're done, I tried reusing the gasket and that went poorly.
     
    Wulf and Snowater [OP] like this.
  5. May 19, 2021 at 7:45 PM
    #5
    leid

    leid Member

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    Lifts/winch/ZUK'd rear diff w locker/NITRO axles
  6. May 19, 2021 at 8:57 PM
    #6
    1997tacomav6

    1997tacomav6 V6 5sp,RegCab,TRD Supercharger,2"pulley,meth, 660k

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    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 660,001 plus miles, Original Owner
    V6 5sp,RegCab,TRD Supercharger, 2" pulley, methanol injected AC TRD supercharger,(MUST DO) TRD supercharger ported, rebuilt 3 times over 500,000 miles, every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 2” pulley,(300hp) (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, 4runner bucket seats, Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks chrome push bar, chrome nerf bars, add a leaf for rear springs trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Corbeau bucket seats Snow Methonal kit stage 2 Champion 3 core aluminum radiator Linex bed liner
    Here, redline for transmission,
    Amsoil for diffs

    5EA293FD-7624-4578-8005-A50B8EF8B562.jpg
     
  7. May 19, 2021 at 8:59 PM
    #7
    Kwikvette

    Kwikvette Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    Undo fill plugs first, then undo drain.

    This is in case you fuck up the fill plug yet already removed the drain plug.
     
    Black DOG Lila likes this.
  8. May 20, 2021 at 8:39 AM
    #8
    An3

    An3 Well-Known Member

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    I need to mine soon. How much fluid to I need for each?
     
  9. May 20, 2021 at 8:42 AM
    #9
    Kwikvette

    Kwikvette Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    Search

    Screenshot_20210117-100201_Chrome.jpg

    Screenshot_20210117-100217_Chrome.jpg
     
  10. May 20, 2021 at 9:17 AM
    #10
    Kwikvette

    Kwikvette Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    Also, if you want to do away with the hex plugs on your front diff altogether;

    Front diff fill plug replacement 90341-18060
    Front diff drain plug replacement 90341-24016

    This will give you a metric bolt head.
     
  11. May 20, 2021 at 9:20 AM
    #11
    Matic

    Matic The "OFG" Baby!!!

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    1 owner 2002 TRD, SR5, DC, 2.7. Full OME suspension, STT pro's.
    OME 881 coils with OME nitrochargers shocks up front. TC UCA's OME Dakars with extra leaf in the rear. Warn 8000 winch with 80ft custom braided synth line. Custom 60ft synth extension. All pro tube bumper, Hi-lift jack, Safari Snorkel, Wilco tiregate. 2019 Jeep JLUR.
    subbed
     
  12. May 20, 2021 at 9:21 AM
    #12
    Kwikvette

    Kwikvette Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
  13. Jul 29, 2021 at 5:56 AM
    #13
    leid

    leid Member

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    Lifts/winch/ZUK'd rear diff w locker/NITRO axles
    I did swap over from Amsoil 75W-90 GL-5 to Redline MT-90 GL-4 in the R150F 5 speed manual transmission. The Redline MT-90 made a very noticeable positive difference in the function of the synchro rings in the gear box and lowered the noise level of the bearings which appear to be (sound) worn. Will continue to use Amsoil 75W-90 GL-5 in the front and rear diffs but am sold on MT-90 GL-4 use in the gear box. .02
     
    Nessal and 1997tacomav6 like this.
  14. Jul 29, 2021 at 11:33 PM
    #14
    TACOTU3

    TACOTU3 Member

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    I really liked the Valvoline in a bag. The bag is flexible so you don’t need a pump, and they are cheap and available at Walmart.
     
  15. Jul 30, 2021 at 1:35 AM
    #15
    Nessal

    Nessal Well-Known Member

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    I did 80W90 in the rear diff and 75W90 in the T-case and front diff. This is what the manual specifies so I just followed up.
     

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