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Differential Issues?

Discussion in 'New Members' started by 2K8TACO, Mar 29, 2010.

  1. Mar 29, 2010 at 10:02 PM
    #1
    2K8TACO

    2K8TACO [OP] Not only am I a client Im a member.

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    I recently changed my differential fluid at 33,000 with Royal Purple Gear Oil 75-90W with LSD (Limited Slip Differential). I put in 3 quarts in rear end and I felt rear end gear vibrating from the drivers seat when turning tight turns. So I lifted the axle of the fill hole side of differential and added another quart of 75-90W and still have vibrating feel with teeth meshing together in the pumpkin. No noise or sounds coming from rear end and only doing vibrating when moving slow. If any has experienced this please in lighten me on what to do? Thanks.
     
  2. Mar 29, 2010 at 10:11 PM
    #2
    Janster

    Janster Old & Forgetful

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    I'm somewhat confused about what you're saying....

    How did you put the first 3 quarts of oil in?

    Why did you add a 4th quart? Adding more oil isn't gonna fix the problem. In fact...having too much oil in there can be just as bad as not having enough.

    Are you sure you put the proper oil & additive in there?
     
  3. Mar 29, 2010 at 10:24 PM
    #3
    2K8TACO

    2K8TACO [OP] Not only am I a client Im a member.

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    I unbolted the filler bolt in the differential which was pressurized then I unbolted the drain bolt at the bottom of differential and drained the differential fluid. I went down to 4 wheel parts a few days before hand and purchased the gear oil 75-90w there and they told me I would only need 3 quarts. But I thought I need 1 more cause it was still vibrating. It was the right stuff.
     
  4. Mar 30, 2010 at 2:58 AM
    #4
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    it should run out of the fill hole when it's topped off...are you sure you have an LSD?

    disregard
     
  5. Mar 30, 2010 at 3:59 AM
    #5
    red neck toy

    red neck toy Well-Known Member

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    whyd you change the dif fluid with almost a brand new truck?
     
  6. Mar 30, 2010 at 6:33 AM
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    Janster

    Janster Old & Forgetful

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    Because he has 33,000 miles on it. Diff fluid changes are due at 30K miles.
     
  7. Mar 30, 2010 at 6:35 AM
    #7
    Janster

    Janster Old & Forgetful

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    Having the additive in a non-LSD diff shouldn't matter.
     
  8. Mar 30, 2010 at 6:40 AM
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    Janster

    Janster Old & Forgetful

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    How pressurized? It shouldn't be pressurized.... Check your 'breather' and make sure its not clogged.

    First off, you need to put the truck on level ground. Open up the fill plug and let the excess oil drain out of the fill hole. The fill hole is there for a reason, so you don't overfill it. As I mentioned before, over-filling can be just as harmful as not having enough oil.

    Have you been driving it for a few days? Is it still vibrating? When does it vibrate? Do some tight '8' circles in both directions several times, what does it do?
     
  9. Mar 30, 2010 at 6:51 AM
    #9
    Asgard

    Asgard Well-Known Member

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    If you have a LSD you need to use regular 80w-90 oil with a tube of LSD additive, other members have done different and ended up with problems like yours.

    Helpful link : http://www.toyotanation.com/forum/showthread.php?t=120918
     
  10. Mar 30, 2010 at 6:56 AM
    #10
    wiscdave

    wiscdave Lets Do It!

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    x2, I'd like to run syn in the rear, but just change it out every 30k with the dino and no chatter here..
     
  11. Apr 3, 2010 at 8:57 AM
    #11
    2K8TACO

    2K8TACO [OP] Not only am I a client Im a member.

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    Ok, latest update. I know I said I put in 3 & 3/4 of quarts in the differential with LSD 75-90w of Royal Purple. Well I went down to the local Auto Zone and bought a tube of Trans-X, POSI-TRAC limited slip gear oil additive, it was $5.50. It says on the tube it prevents chattering, which I had, jerking & slipping. So I removed 1 quart of R.P. LSD from the fill hole. All I did was remove the bolt from the filler hole and it started draining out all by its self. Then I inserted this tube that I have that sucks liquid out of containers and sucked out 1 hole quart and added this tube of TRANS-X which is 7 fl.oz. and then I screwed the filler bolt back on. Took it on a test drive and did some figure 8s and did a little off roading to test the limited slip & and it worked. Thanks guys for all you input.
     
  12. Apr 3, 2010 at 9:00 AM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Not nesessarilly. The manual calls for 3 quarts. Not "Fill until it runs out of hole. As Janster mentioned, it can be just as bad having too much oil, as having too little. Too much, and the oil will "Froth", and not be able to lubricate where it should.
     
  13. Apr 3, 2010 at 10:33 AM
    #13
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?

    hmmmm....well all of mine were filled til excess and i'm ok :D

    this is from the how to by brianr and u.....When filling, the oil will begin to run out at some point. Put the plug in the fill hole, and let the gear oil run down into the lenght of the axle shaft. After a few minutes, remove the plug and begin to fill again.
     
  14. Apr 3, 2010 at 11:33 AM
    #14
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Thats if its filled too fast.
     
  15. Apr 3, 2010 at 11:45 AM
    #15
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    blah blah blah...lol. i filled mine to the top and didnt move i around to get in deeper, so it should even itself out :D
     
  16. Apr 4, 2010 at 5:55 AM
    #16
    Janster

    Janster Old & Forgetful

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    Give it time..... damage doesn't always happen immediately. :p:p

    :)
     
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