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Changing differential fluid - A step by step "HOW TO"

Discussion in 'Technical Chat' started by brianr, Jan 21, 2009.

Page 85 of 139
  1. Sep 12, 2014 at 8:11 PM
    #1681
    meangene21

    #1681
    meangene21 Well-Known Member

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    Are crush washers needed on the plugs? I plan to change mine in the near future but didn't see any mention of washers being needed. This may have been addressed but I'm too lazy to read through all 85 pages.
     
    meangene21, Sep 12, 2014
    #1681
  2. Sep 12, 2014 at 8:17 PM
    #1682
    ImpulseRed008

    #1682
    ImpulseRed008 Gone But Not Forgotten

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    Yes, they have crush washers. I re-used mine but all depends on the condition of the old one.
     
    ImpulseRed008, Sep 12, 2014
    #1682
  3. Sep 13, 2014 at 5:11 PM
    #1683
    meangene21

    #1683
    meangene21 Well-Known Member

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    Changed mine today and picked up the crush washers for $1.50 each at the stealership. I'm sure I could have picked them up cheaper online but didn't want to wait. Great writeup and made the process very simple.

    Keep up the good work and thanks for saving me $$$. Changed my plugs last week thanks to this site also!
     
    meangene21, Sep 13, 2014
    #1683
  4. Sep 14, 2014 at 3:33 AM
    #1684
    Janster

    #1684
    Janster Old & Forgetful

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    Jandy
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    Yes.... FYI - they're two different sizes.

    I went to my dealership and told the guy I needed 1 for each (front & rear) and he gave me two of the exact same size.

    It wasn't until my diff was empty that I discovered there are two different sizes. I had to reuse the one - luckily, it hasn't leaked yet.
     
    Janster, Sep 14, 2014
    #1684
  5. Sep 16, 2014 at 4:06 PM
    #1685
    norb240

    #1685
    norb240 Member

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    LOL yea i have the oh so great mechanical LSD that came factory installed on my 06 Prerunner:D
     
    norb240, Sep 16, 2014
    #1685
  6. Sep 17, 2014 at 7:08 AM
    #1686
    TACO TX

    #1686
    TACO TX Well-Known Member

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    Crush washers are no big deal, i still have the original oil pan washer. 11yrs and 190,000mi later still using it.
     
    TACO TX, Sep 17, 2014
    #1686
  7. Sep 17, 2014 at 8:24 AM
    #1687
    teamhypoxia

    #1687
    teamhypoxia MichelinMan

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    Don't know if it has ever happened on a truck or not, but I've seen many cracked aluminum engine cases on motorcycles from reusing crush washers. Some of the washer gets pushed into the hole between the bolt and the female threads and eventually wedges a crack
     
    teamhypoxia, Sep 17, 2014
    #1687
  8. Sep 17, 2014 at 8:48 AM
    #1688
    tacoma guy

    #1688
    tacoma guy Well-Known Member

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    Ok so I have a 2011 TRD off road Prerunner no sticker on the diff. My question is do I need the LSD additive or not ? :confused:
     
    tacoma guy, Sep 17, 2014
    #1688
  9. Sep 17, 2014 at 7:39 PM
    #1689
    TACO TX

    #1689
    TACO TX Well-Known Member

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    Nobody from i believe 2009 and up needs LSD additive, they are not mechanical LSD's. You being a TRD off road definatley do not.
     
    TACO TX, Sep 17, 2014
    #1689
  10. Sep 17, 2014 at 7:41 PM
    #1690
    TACO TX

    #1690
    TACO TX Well-Known Member

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    Yea i definatley need to replace it, better safe that sorry i guess.
     
    TACO TX, Sep 17, 2014
    #1690
  11. Sep 18, 2014 at 5:34 AM
    #1691
    tacoma guy

    #1691
    tacoma guy Well-Known Member

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    Ok awesome . Thanks for the info !!
     
    tacoma guy, Sep 18, 2014
    #1691
  12. Sep 23, 2014 at 12:44 AM
    #1692
    DaveIRC

    #1692
    DaveIRC Active Member

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    I've been reading for hours most of the pages on this thread.

    I have a 07 trd sport pack with the lsd sticker.

    Been to autozone today and could not find any non syntethic oil.

    By experience I would be curious what specific non syntethic oil would you guys recommend for the rear and what specific ls aditive

    Few options that I came up with so far, but please add to it. Would appreciate others input by experience.

    Aditive:

    GM 1052358 - some say they like it

    CRC
    $15 SL2411 -4 fl oz
    SL2411 Equa -Torque Differential Friction Modifier, 4 Wt Oz - as the post mentions

    $16 CRC 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz
    CRC 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive, 7 Fl Oz - looks like would do the same job as the crc 4oz option

    Oil with aditive:

    Dexron LS
    $29 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75W-90 Gear Oil - by Gm with aditive already added in it

    Oils:

    75W90 NS GL-5 Gear Oil RedLine

    MT-90 75W90 GL-4 Gear Oil RedLine

    Severe Gear® 75W-90 Amsoil

    Any one experienced better results with a specific?

    Would like to purchase one of this and change the diff oil asap.

    Last q: what would be best option for the front diff oil?

    thanks in advance
     
    DaveIRC, Sep 23, 2014
    #1692
  13. Sep 23, 2014 at 2:50 AM
    #1693
    Janster

    #1693
    Janster Old & Forgetful

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    I use
    $12 FORD XL3 Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.
    FORD XL3 friction modifier - bought at Ford dealer (with Mobile
    $29 75w-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75w-90). You can actually buy this stuff online/ Amazon.

    We've used Amsoil Severe Gear in our Corvette - has done nicely in the corvette.

    Each situation is different. Amsoil is a synthetic. Since I use synthetic, I've had to use extra modifier to keep the diff / prevent rumbles & such.
    If you use synthetic and/or a synthetic oil with the friction modifier already in it, you may (or may not) need to add more modifier.
     
    Janster, Sep 23, 2014
    #1693
  14. Sep 23, 2014 at 8:09 AM
    #1694
    DaveIRC

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    DaveIRC Active Member

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    Isn't Mobile 75w90 a synthetic oil? Is it ok to use synthetic oil?

    thank you
     
    DaveIRC, Sep 23, 2014
    #1694
  15. Sep 23, 2014 at 8:38 AM
    #1695
    Sandman614

    #1695
    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Yes its OK but you may have to use more friction modifier as stated.
     
    Sandman614, Sep 23, 2014
    #1695
  16. Sep 28, 2014 at 5:46 PM
    #1696
    No Way Out

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    No Way Out Member

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    Great write-up! Just did this today on my 07 Sport. Used Castrol non-syn with LSD additive. Also did the t-case and front diff but used Mobil 1. Thanks!
     
    No Way Out, Sep 28, 2014
    #1696
  17. Oct 5, 2014 at 6:50 AM
    #1697
    RTD

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    RTD Well-Known Member

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    I had clutch grab(inside tire grabbing on a turn) with Mobil 1 LSD and RP, but smooth as silk with RP plus MOPAR LSD additive
     
    RTD, Oct 5, 2014
    #1697
  18. Oct 5, 2014 at 6:54 AM
    #1698
    RTD

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    RTD Well-Known Member

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    I was at the Toyota dealer yesterday, and I was told they use the FORD additive!
    I've been using MOPAR
     
    RTD, Oct 5, 2014
    #1698
  19. Oct 8, 2014 at 11:54 AM
    #1699
    Z E R 0

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    Z E R 0 Well-Known Member

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    Thxx
     
    Z E R 0, Oct 8, 2014
    #1699
  20. Oct 8, 2014 at 11:56 AM
    #1700
    Z E R 0

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    Z E R 0 Well-Known Member

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    I have a 2014 tacoma prerunner 4.0.. Do I need the lsd additive? And should I buy the fluid at the dealer? Or what do you guys recommend? Thx a lot
     
    Z E R 0, Oct 8, 2014
    #1700
Page 85 of 139

Products Discussed in

Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
$28.12
Genuine Toyota 90430-24003 Front Differential Drain Plug Gasket
$2.80
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
$5.99
Toyota Oil Drain Plug Crushable Steel Gaskets Set of 10 OEM 12157-10010
$13.99
35178-30010
$6.49
PRIME AVE Aluminium Oil Drain Plug Gaskets - Differential & Transfer Case Crush Washer for Leak Proof Sealing - Durable & Reliable Oil Plug Washer - Compatible with Toyota Lexus Scion (25 Pack)
$9.99
GENUINE TOYOTA GASKET KIT FOR TRANSFER AND DIFFERENTIAL SERVICE
$11.98
Mobil 1 104361-UNIT 75W-90 Synthetic Gear Lube - 1 Quart
$15.49
LubriMatic 55-001 4CC Mechanical Fluid Pump for Quart Size Bottles
$7.90
Genuine Toyota - Oil Drain Plug Gaskets (QTY10)
$10.25
Genuine Toyota 90341-24014 Front Differential Drain Plug
$12.21
Lubegard 30903 Gear Fluid Supplement, 8 oz.
$9.99
Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.
$11.99
Sta-Lube Equa-Torque Differential Friction Modifier SL2411-4 fl oz
$14.50
K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz
$15.69
CUSTOM ACCESSORIES Pennzoil 36670 Pennzoil Fluid Transfer Pump - Quart
$6.43
LUMAX LX-1185 Black 18 oz. Suction Gun with 12" Vinyl Flex Hose. Excellent for Draining and Filling Differentials, Transmissions, Clutches, Gear Cases and More!
$16.32
Sta-Lube Fluid Oil Pump
$20.05
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