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is this normal?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jpneely, Jan 16, 2012.

  1. Jan 16, 2012 at 12:44 PM
    #1
    jpneely

    jpneely [OP] Well-Known Member

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    hey so i wen to fix that damn squeaky blower motor and i did just that and she seems to be working like a charm. buuut when i had it taken apart i noticed a couple of things that just didnt seem normal. ive taken apart my fair share of electric motors and if this is normal for some reason it just hasnt struck me yet. but anywho heres the pics of it.

    [​IMG]
    ok so above the copper matrix it appears that
    [​IMG]
    these guys were rubbing the copper cylinder above it.

    im just wondering if this is something that could cause problems in the future or is this normal and im just being weird.

    sorry for the shoddy pics. they were taken with el telephono
     
  2. Jan 16, 2012 at 12:47 PM
    #2
    JasoTaco

    JasoTaco Well-Known Member

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    Take it to the dealer that blower motor is under warranty. I just had mine replaced for the third time apparently they have a new design...
     
  3. Jan 16, 2012 at 12:49 PM
    #3
    jpneely

    jpneely [OP] Well-Known Member

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    yea considered it but hell right now its not squeaky anymore. and i hate that damn place haha
     
  4. Jan 16, 2012 at 12:54 PM
    #4
    dexterdog

    dexterdog My pee parts itch

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    Yes, they are carbon brushes. They are supposed to contact the motor.
     
  5. Jan 16, 2012 at 12:55 PM
    #5
    jpneely

    jpneely [OP] Well-Known Member

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    ^^ ok thank ya. peace of mind has been restored for the time being.
     
  6. Jan 16, 2012 at 12:59 PM
    #6
    TastyHuman

    TastyHuman Oh. Bummer.

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    The two things that stick out and are rubbing are called "brushes" and the segmented copper cylinder is called a "commutator" and yes they should be rubbing. The brushes supply power to the commutator to create an electromagnetic field that spins the armature. If the brushes didn't rub on the commutator the motor wouldn't work.
     
  7. Jan 16, 2012 at 1:29 PM
    #7
    jpneely

    jpneely [OP] Well-Known Member

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    haha well played. i have taken many apart. i didnt neccesarily say i knew the terminology of pieces and parts. but thank all of yall anyways. oh and by taking apart the motors the oned i usually tooka apart were MUCH smaller and came out of rc cars etc.
     
  8. Jan 16, 2012 at 1:33 PM
    #8
    jpneely

    jpneely [OP] Well-Known Member

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    yea i stopped hearing it for a while but then my gf got into the truck one day and said that thing is still squeaking?! then the glass barrier in my mind broke and i heard it again... so its been squeaking for about a year now and it was just time to do it right and forget it.
     
  9. Jan 16, 2012 at 3:32 PM
    #9
    Tepidy

    Tepidy Well-Known Member

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    you have a 2911 tacoma. why would you take the motor out-your truck is under warranty
     
  10. Jan 16, 2012 at 4:25 PM
    #10
    Maticuno

    Maticuno Resident Pine Swine

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    Generally, the smaller electric motors like those found in RC cars don't use carbon brushes. The just use simple copper contacts and the commutator is much smaller.
     
  11. Jan 16, 2012 at 5:02 PM
    #11
    jpneely

    jpneely [OP] Well-Known Member

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    if i can do something myself ill be damned if im gonna let someone else do it! especially if im bored :D
     
  12. Jan 17, 2012 at 1:45 AM
    #12
    Tepidy

    Tepidy Well-Known Member

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    I like doing everything myself as well although when it comes to warranty work I let toyota do it. Its too easy for them to say that you damaged the fan by trying to fix it resulting in them not doing the warranty work. Just saying-why give them an excuse
     
  13. Jan 17, 2012 at 8:24 AM
    #13
    Badwin45

    Badwin45 Well-Known Member

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    When you consider that the replacement motors haven't really been a fix, you don't really have much to lose by trying.

    I took mine apart, lubed the bearings and felt washers that act as lube reservoirs, polished the shaft on a buffing wheel and I haven't heard a peep since.
     
  14. Jan 17, 2012 at 12:03 PM
    #14
    OrangeTexan

    OrangeTexan Well-Known Member

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    I used to race RC cars and I have never seen the simple copper contacts you are talking about, unless you are talking about cheap Walmart RC cars. Years ago all you could get were brushed motors for RC electric, and the brushes, comm, and armature all look quite similar to the pics he posted, at least for any racing motor.

    However, the OP's confusion is probably coming from the fact that most modern RC cars are now coming equipped with brushless motors, which look nothing like his pics. So I would suppose the motors he has seen were brushless...
     
  15. Jan 17, 2012 at 12:40 PM
    #15
    jpneely

    jpneely [OP] Well-Known Member

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    CHA CHING! i do believe we have a winner! yea the ones ive seen didnt have the brushes. ergo my confusion on whether they were supposed to rubbing that heavily. but yea now i know! thanks guys
     
  16. Jan 23, 2012 at 11:25 PM
    #16
    rdm197aps

    rdm197aps Well-Known Member

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    Sir, howdya get to the felt reservoirs? rumor has it they're in the metal housing...
    I've already taken the motor apart once, and used white lithium grease on the shaft. now i'm thinking royal purple maxfilm penetrating oil... im thinking about soaking that housing in the oil to see if the felt soaks it up. just ideas floating around...
     
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