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Strange blower speed behavior

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Everbody, Jul 19, 2010.

  1. Jul 19, 2010 at 10:58 AM
    #1
    Everbody

    Everbody [OP] Well-Known Member

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    Looks stock
    While driving at highway speeds with the AC on the fan stopped blowing at any speed except high. After about an hour of turning the fan on and off to keep from freezing or burning, the other speeds worked again. Anybody see this? 05 TRD 2wd access cab, 85k, had it for 800 miles, if that matters. Outside temps were 80 - 103f. I checked the fuses. One other possible clue: no lights behind fan speed switch at night.
     
  2. Jul 19, 2010 at 11:57 AM
    #2
    05Moose

    05Moose Middle-Aged Member

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    In the snow (NorCal)
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    '05 4x4 DC LB SR5 #8 (LSD, Tow Pkg)
    '05 4x4 DC LB SR5 (LSD & Tow Pkg), Timbrens, AAL, 5100s (.85), Owned: 12/3/04 Mods: Fog, Map/Dome Light, Illuminated 4wd Switch, Washable Cabin Air Filter
    The light being out is probably just the bulb. The low/medium speed problem is a sign of a bad blower motor resistor. Pretty cheap and easy to replace. BTW, it will be intermittent for awhile before it craps out for good.

    This thread will help you out with pics:
    http://www.tacomaworld.com/forum/2nd-gen-tacomas/8310-replacement-hvac-blower-motor-resistor.html
     
  3. Jul 19, 2010 at 1:01 PM
    #3
    Everbody

    Everbody [OP] Well-Known Member

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    I'll pick one up and swap it out. Thanks again!
     
  4. Jul 19, 2010 at 1:45 PM
    #4
    Silver06Taco

    Silver06Taco Well-Known Member

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  5. Jul 19, 2010 at 6:18 PM
    #5
    NelsonTacoma

    NelsonTacoma This is my derpawayinator!!!!!

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    Def the resistor as stated above. But you might also consider replacing the blower motor too. Most of the time the reason the resistor goes out is because the blower motor is drawing to much amperage and of course it takes out the weak link, the resistor. I've read multiple threads on here about resistors going out multiple times until the blower and resistor are both replaced. Just something to think about.
     
  6. Jul 19, 2010 at 6:32 PM
    #6
    chopper

    chopper ky taco

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    I had a rats nest in my blower moter I had. To clean it out. Lights were out on the fan too I would just hit it and it eventualy stayed working
     
  7. Jul 20, 2010 at 6:48 AM
    #7
    05Moose

    05Moose Middle-Aged Member

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    In the snow (NorCal)
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    '05 4x4 DC LB SR5 #8 (LSD, Tow Pkg)
    '05 4x4 DC LB SR5 (LSD & Tow Pkg), Timbrens, AAL, 5100s (.85), Owned: 12/3/04 Mods: Fog, Map/Dome Light, Illuminated 4wd Switch, Washable Cabin Air Filter
    And...I just noticed that you have an '05. Did you install a filter in yours since the 05s don't come with one? If not, definitely clean out the blower. Might want to check out the filter mod in my sig.
     
  8. Jul 21, 2010 at 1:35 PM
    #8
    Everbody

    Everbody [OP] Well-Known Member

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    Yeah, I checked, no filter! Will check your filter mod, thanks.
     
  9. Jul 21, 2010 at 5:09 PM
    #9
    sfoxwoody

    sfoxwoody Well-Known Member

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    none yet
    I'm glad I seen this, mine just started it too!
     
  10. Jul 22, 2010 at 6:05 PM
    #10
    KenpachiZaraki

    KenpachiZaraki Its Wicked Flow BITCHES!!

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    ALL POSER- Afe Pro Dry S drop in filter, 3" AP leaf pack, Eibach w/5100's up front, 5100's rear, Fog Light Mod, ABS off mod, Dash Light MOD, Doug Thorley Long Tube Headers, Wicked Flow Bitches MAX Muffler, 4" floods, 20", 43" light bars, 265/75/16 Hankook Dynapro ATm, oil catch can, rear diff breather relocate, Custome Sliders, SOS concepts Front bumper, Demon Eye Mod, backlit TRD emblem on bumper, Morimoto D2S projectors,
    My blower motor actually started to squeek/squeel like a pig a while ago. it still works on high low and all the speeds, but b4 when i had installed the stereo, i actually messed up and didn't connect the plug back in the speed switch and i was only blowing on first 2 bars. then i fixed it by connecting once again. i think i'm gonna tryh to get to the blower motor and put some grease or wd40 on it to fix it.
     
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