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Using Lexus Front Differential Fill and Drain plugs

Discussion in '1st Gen Tundras (2000-2006)' started by seachunk2, Mar 22, 2023.

  1. Mar 22, 2023 at 2:06 PM
    #1
    seachunk2

    seachunk2 [OP] New Member

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    I was planning to change the front differential fluid in my '04 Tundra SR5 DC 4WD.
    Has anyone used the Lexus hex head bolts instead of the Toyota allen keyed bolts for the drain and fill?
    I'd rather have the hex head bolts if they are compatible, since the allen keyed are more prone to strip.
    I'm reading other posts that are saying the Lexus parts fit the Tundra, but they are installing them on later generation Tundras.
    I want to know if anyone has used the Lexus parts on a Gen1?
    The Lexus part# are 90341-78060 fill and 90341-24013 drain.
    Thanks.
     
  2. Mar 22, 2023 at 2:13 PM
    #2
    Tundra2

    Tundra2 Zoinked

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    Yes, we've used those. Others have as well. You already have the part numbers, but here they are again anyways because I searched through my emails for this, and I'll be damned if I don't post it.

    90341-24016 Plug Straight Screw
    90341-18060 Plug Straight Screw
     
    chugs, shifty` and FrenchToasty like this.
  3. Mar 22, 2023 at 2:19 PM
    #3
    shifty`

    shifty` Is the Gila Copter a love machine?

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    You did, right here, but it's an image, so there's no text to search out. :rofl:

    But it was also posted and discussed over here:

    https://www.tundras.com/threads/wha...-gen-tundra-today.2558/page-1474#post-2973653

    And here

    https://www.tundras.com/threads/wha...-gen-tundra-today.2558/page-1473#post-2970373

    And here

    https://www.tundras.com/threads/wha...-gen-tundra-today.2558/page-1454#post-2951150

    And here

    https://www.tundras.com/threads/crackhead-resurrection.94083/page-66#post-2878434

    And probably in a few other places I'm too lazy to link :rofl:
     
  4. Mar 22, 2023 at 2:22 PM
    #4
    seachunk2

    seachunk2 [OP] New Member

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    Thanks for the confirmation!
     
  5. Mar 22, 2023 at 2:27 PM
    #5
    Tundra2

    Tundra2 Zoinked

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    Damn that one thing was in OCTOBER????
     
  6. Mar 22, 2023 at 2:51 PM
    #6
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    Got ‘em. Haven’t used ‘em.
     
  7. Mar 22, 2023 at 3:04 PM
    #7
    shifty`

    shifty` Is the Gila Copter a love machine?

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    I shoulda bought 'em for the front diff, but I was impatient and pre-checked my plugs, both popped free with limited effort, so I figured "maybe next time".

    I now wish I'd have replaced both front plugs and all 6 washers, but hindsight is 20/20 I guess.

    Knowing my luck it'd have turned out like my blower motor resistor today. Ordered from local dealership 25mins away. They told me it'd arrive first thing this morning. Drive all the way there just to have the guy tell me, "Oh shit. So... about that ... the truck delivered our crate of parts to the wrong store today, so it won't be here 'til tomorrow"

    Like. "Damn. Thanks bro. I guess I'll drive my 30 minutes home, and 30 minutes back on Friday, with only HI speed on my fan? Didn't you think to call anyone, after we sat and shot the shit for 10 minutes about trucks while ordering yesterday? It's not like my number isn't in the system and I told you I'd be driving all this way tomorrow, because you said it'd 100% be here at 6am, right?!"

    And here I was trying to find a new dealership to deal with, since the one I'd been going to is under new ownership and dropped out of the national Toyota Parts program...
     
  8. Mar 22, 2023 at 3:15 PM
    #8
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    Not to worry, if I get mine off without stripping, you shouldn’t have an issue. Lots of penetrating fluid and patience.
     
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  9. Mar 22, 2023 at 4:09 PM
    #9
    shifty`

    shifty` Is the Gila Copter a love machine?

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    Oh, I finished mine last month.
     
    Last edited: Mar 22, 2023
  10. Mar 22, 2023 at 4:21 PM
    #10
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    PIA?
     
  11. Mar 22, 2023 at 4:41 PM
    #11
    shifty`

    shifty` Is the Gila Copter a love machine?

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    Nah. But I see the potential for them to get frozen. Once the housing's alloy gets seriously broken down, as it does with salt and such, knowing how much steel and alloy love to fuse together, I can see such a bonding reaction happen. Add into that Toyota's genius idea to use an allenhead, granted with a 'safety net' torx connector beyond that in case you strip the allenhead provision, and you have a recipe for potential problems.

    I have a really good twist-head allenhead socket set that I tend to favor on stuff like this, but someone going in without care, not realizing any care could be needed ... or maybe their front diff has never been serviced and they live up north ... I could see that being disastrous.
     
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  12. Mar 22, 2023 at 6:38 PM
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    seachunk2

    seachunk2 [OP] New Member

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    Would a light coat of anti seize on the plug threads and underside of flange be something to consider?
     
  13. Mar 22, 2023 at 6:44 PM
    #13
    shifty`

    shifty` Is the Gila Copter a love machine?

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    If you live in road salt areas, it's not going to kill anything. Just beware of over-tightening with that extra lube there. Same risk as with spark plugs and anti-sieze.
     
    Last edited: Mar 22, 2023
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  14. Mar 22, 2023 at 7:13 PM
    #14
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    Couldn’t hurt. For the longest time I just bought new plugs/gaskets with every change of the front diff so I didn’t have to be concerned too much about rust buildup. Works so long as you don’t wait too many miles in between changes.
     
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  15. Feb 21, 2024 at 12:08 PM
    #15
    highdesert1stgen

    highdesert1stgen New Member

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    I am switching over to the lexus drain plugs. Would the torque specs for the lexus plugs be the same as the stock toyota plug torque specs?

    48 ft lbs for drain plug
    29 ft lbs for fill plug

    Thanks!
     
    Mr.bee likes this.
  16. Feb 21, 2024 at 12:11 PM
    #16
    Mr.bee

    Mr.bee King Turdra

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    yes, if the lexus plugs can handle more, theres no reason to subject the housing to extra stress... but if the lexus spec is lower, might wanna go with that to keep from hurting the plugs.
     

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