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This is why you change fluids early with pics...

Discussion in '3rd Gen Tundras (2014+)' started by Dave333, May 5, 2015.

  1. May 5, 2015 at 8:37 AM
    #1
    Dave333

    Dave333 [OP] New Member

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    So I changed my oil and rear differential fluid at 81 miles. The oil filter was doing its job and catching the little metal shavings in the filter and the magnet on the differential drain caught a good chunk of metal.

    I work at a hot rod shop and anytime we install new gears or run a crate engine we recommend oil change at 50 miles and rear fluid at 100 miles. The engine oil came out looking clean, the rear differential fluid came out looking like liquid Etch-A-Sketch (for you young kids you'll have to Google that). Anyways, no matter what your dealer says, I'd recommend a rear differential fluid change way before the recommended 30,000 miles and oil before 5,000 miles.

    Rear fluid is easy to change, two crush washers and a 24 mm socket. Remove the fill plug first, then the drain plug. Drain. Install new crush washer and drain plug by hand, screw hand tight then torque to 36 ft. lbs. Refill with 3.75 qts. of 75-85 (good luck finding that, I went with Amsoil 75-90). It'll trickle out of the fill hole when full. Then, hand tighten and torque the fill plug to 36 ft. lbs.

    Although I'm not ASE in Toyota, I am Tech Degree holding and ASE certified in paint and body, mechanical and electrical and frame work. My Tacoma has 190k on it and has never had an issue.

    Now for the pictures:

    [​IMG]

    [​IMG]

    [​IMG]
     
  2. May 5, 2015 at 8:53 AM
    #2
    matluth

    matluth Fish On!

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    Would your refill/ torque specs also apply for 2007? Do you remember off hand the crush washer dia/spec so I don't have to pull fill/drain plug before I go to O'Reilly's?
     
    Last edited: May 5, 2015
  3. May 5, 2015 at 9:22 AM
    #3
    rr3311

    rr3311 Tundra Magic

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    OK. You scared me into the early oil and differential changes! I have 1150 miles on my 2015 Tundra, so I have already gone way past your recommended 50/100. I know years ago, it was normal to do a maintenance at 1000 miles, and the newer cars don't call for it. I guess they want to drum up more business down the road...
     
  4. May 5, 2015 at 10:05 AM
    #4
    tat2ude39

    tat2ude39 MYota

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    So after your initial early changes... how often after that?
     
  5. May 5, 2015 at 10:17 AM
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    Mike

    Mike Tread lightly.

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    yep bank account is running low from it..
    this is normal all engines and diffs including transmission and transfer case, this is. why you need to be easy on the truck till things break in correctly.
     
  6. May 5, 2015 at 10:20 AM
    #6
    Mike

    Mike Tread lightly.

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    yep bank account is running low from it..
    If it was me i would just pull the filter( around 1000 miles and break it apart and see whats going on before a oil change.
     
  7. May 5, 2015 at 11:45 AM
    #7
    Dave333

    Dave333 [OP] New Member

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    Part number for the differential washers are 12157-10010 and are the same for top and bottom. This is also the same part number for the older Tundra's and my Tacoma. So I'd imagine the torque spec is the same for the older Tundra's since my 06 Tacoma also has a 36ft lbs torque spec. One note is to make sure you have a good 24mm socket because these plugs are weak and are known to round. Make sure when you loosen it that you aren't pulling down at an angle or you'll round it for sure. I've had to replace my Tacoma's twice. They are cheap at around $5 from the dealer so normally when I do the 30k I spend the extra to know that I won't round it. The washers are like $1 each from the dealer. Again cheap insurance.

    After I do this initial one, I do it again at 500 both oil and differential and then I go about the 5,000 changes on oil, 30,000 on transmission fluid/differential fluid/brake fluid and power steering fluid. My Tacoma I've went with 10k oil changes and sent the oil out to Blackstone Tech once a year to check on it. No problems so far.

    Mike is right, it is perfectly normal. Basically as things seat and mesh together any casting flash or burrs get shaved off. The magnets and filters are there to catch them. I just don't like knowing that the magnet or filter is being clogged up with that. I just do it for peace of mind knowing that everything is flushed out. With the new truck I get 5 free oil changes, but I'm doing the first two myself then taking the rest to the dealer.

    The rear gear fluid change from 85 to 90 won't hurt anything. From what I understand Toyota went with that weight for some EPA standards for the newer vehicles. Honestly if you never tell the dealer they'd have to send it out to be analyzed to see the difference in that weight. Still, I normally run 75 90 in all my muscle cars and the Tacoma and haven't had any issues.

    This isn't a "go out and do it now" type of thing, but for me, if I spend $43k on a truck that I know I'm keeping for a long time, then flushing $150 in fluids and materials for the first 500 miles is worth it knowing that I've got everything cleaned out. Then again, think of all the ones that no one does this to and they are running just fine.
     
    tat2ude39 and matluth like this.
  8. May 5, 2015 at 11:57 AM
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    matluth

    matluth Fish On!

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    Thanks for the info. Stopping by the dealer on the way home.
     
  9. May 5, 2015 at 12:10 PM
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    Dave333

    Dave333 [OP] New Member

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    No problem. Literally takes less than 10 minutes to do and that's using a pump to get the oil in. If you have a flex filler and gravity it's even less time. You can also jack up the driver side of the truck to get it all out but just draining it level gets enough of it, that plug is low and at an angle to begin with.
     
  10. May 8, 2015 at 8:39 AM
    #10
    ausei

    ausei New Member

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    how many quarts does it take? im thinking of flushing differential, transmission, and coolant i can do all three for $270 at a goodyear store trying to weigh out the oppurtunity cost
     
  11. May 8, 2015 at 8:49 AM
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    matluth

    matluth Fish On!

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    Rear differential used up around 3 3/4 quarts. Used Mobile 1, 75w-90. $9.50 a quart at Pep Boys.
     
    Last edited: May 8, 2015
    Dave333 likes this.
  12. May 8, 2015 at 11:34 AM
    #12
    Dave333

    Dave333 [OP] New Member

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    What ^ said. 3 3/4 quarts for rear differential is what worked for me as well.
     
  13. Jan 2, 2016 at 3:20 PM
    #13
    TruckLife900

    TruckLife900 All Eyez On Me

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    Planning to complete 30K service on the rear diff of my 2nd Gen Tundra. I'm going with Red Line (50104) 75W-85, and a couple of the 121571-10010 gaskets for the axle drain/fill plugs. I have the 24mm socket, but it's a 12 point...

    Is there anything I am forgetting? Thanks!:)
     
  14. Jan 3, 2016 at 7:20 PM
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    MotoTundra

    MotoTundra Adrenaline Addict

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    I will add this to the list of things to do come spring.

    Great post @Dave333 !
     
  15. Jan 17, 2016 at 5:29 AM
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    Dave333

    Dave333 [OP] New Member

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    Update on the rear differential. I kept hearing a small howling noise as I let off the accelerator from 55 to 50. Took it in and the service department put it on a lift and listened to it. After showing the picture above, they determined it was a spider gear installed incorrectly. Ordered me a whole new differential. Took a couple weeks for the part to arrive, but the date code on it is late November. So now, truck has a whole new differential.
     
  16. Jan 17, 2016 at 5:45 AM
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    MotoTundra

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    Of course that would happen to you...
     
  17. Jan 17, 2016 at 5:56 AM
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    Dave333

    Dave333 [OP] New Member

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    Yeah no big deal. Sometimes things even from the factory just aren't spec'd right. It was nice that the dealership was easy to work with and handled it professionally.
     
  18. Jan 17, 2016 at 7:24 AM
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    TruckLife900

    TruckLife900 All Eyez On Me

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    Bummer... glad thing's worked out for you.

    I did complete my "service" on the rear diff. Gotta love the smell of gear oil. The fill plug was tighter than the drain plug? Oh well they're both torqued to 36ft-lbs now. I did jack the driver side up to drain a little more oil out.
     
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