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2010 Toyota Tacoma Alternator Squeal on Cold start!

Discussion in '2nd Gen. Tacomas' started by StandupTaco, Apr 7, 2012.

  1. Apr 7, 2012 at 12:49 PM
    #1
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    First time this happened! Wifey started the truck cold and what a squeal from the alternator!!!! I was out back building a deck and I hear the squeal which thought it was a PSV letting go and pressure relieving at the neighbors house. The second time it happend I hear my wife coming around the corner of the house saying it was the Tacoma making the noise. I ran out to hear it but it wouldn't make the noise. I asked her to turn on the fan to put a demand on the alternator and wham......:eek:

    Took this video to show dealer just in case they don't believe me. I put an automotive stethoscope on it to be certain where it's coming from and it's definitely the alternator for sure. Like I mentioned it happens when a load is put on the system like turning on the heater blower motor/fan. I think I can Rule out the belt but could be a bearing.

    http://youtu.be/VeV2xq1oygE

    Wondering now if I should attempt to drive it 1hr to the dealer or call Roadside assistance on Tuesday ( AFter the holiday is over ).
    Never heard anything like that before from any Toyota I've owned...WOW!
    Anyone else have an issue like this? Oh, and 40,500kms on it now but dont mind all the salt in the engine bay, it will get cleaned later...
     
  2. Apr 7, 2012 at 1:18 PM
    #2
    seric007

    seric007 Well-Known Member

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    its toast, worst case it freezes and take outs your serpentine - but that's unlikely.

    if i was you, i'd just drive it in (then again, i wouldnt have a need as this is something i would fix myself :p)

    edit: warranty, screw it drive it in make them replace the belt too.
     
  3. Apr 7, 2012 at 1:51 PM
    #3
    2011Streaker

    2011Streaker Well-Known Member

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    holy rust batman
     
  4. Apr 7, 2012 at 2:52 PM
    #4
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Typical for this climate! Good thing I had it undercoated, and rustchecked, it's only the engine compartment stuff that looks bad...Oh well!

    Hope I don't get stranded on the side of the road on the way in. It's a 1hr drive....:(
     
  5. Apr 7, 2012 at 6:12 PM
    #5
    N Y Tacoma

    N Y Tacoma Member

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    I have run into this problem many times. It's the alternator squealing under a load. Most times they will squeal for a few seconds and then stop. It's not a bearing problem, so there will be no problem driving it.
     
  6. Apr 7, 2012 at 6:15 PM
    #6
    2011Streaker

    2011Streaker Well-Known Member

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    what climate is that??????
     
  7. Apr 8, 2012 at 11:05 AM
    #7
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Good to know! Question is, will they change it out under warranty or tell me to live with it til it dies?

    An Unforgivable one, plagued with Salt Ocean spray, above average Rainfall, horrible winters with Salt/gravel on the roads that sandblast any vehicle which turns Iron back to its original state ( Iron Ore ) in record time! Give up?
     
  8. Apr 8, 2012 at 4:02 PM
    #8
    Utard

    Utard Well-Known Member

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    ------------------------------------------------------------ Stabilus.EZDown.Tailgate http://www.ezdown.com/home.php ----------------------------------------------- Tekonsha.Primus.IQ.Trailer.brake http://www.tekonsha.com/content/default.aspx---------------------------------------------------------------- Leer 180 CC http://www.leer.com/Truck-Caps#------------------------------------------------ Firestone Air Rite Air Bags--------------------------------------Kargomaster Rack
    Florida?
     
  9. Apr 9, 2012 at 4:19 AM
    #9
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Florida?

    :rofl:

    I wish! Try an Island in the North Atlantic...

    Anyway, spoke with the dealer this AM. I have an appointment at 11am tomorrow to get the AC clutch Replaced or something like that which is the issue. He says it's the pulley just below the alternator and when I turn on my fan it starts the squeal and apparently it's a problem they warned me about when I purchased the truck 2 years ago. Only thing is they were expecting it to give out at 80,000kms, not 40,000kms:mad:
    I guess the noise was being transferred up to the alternator according to him but I'm not convinced yet. I'll see tomorrow!
     
  10. Apr 10, 2012 at 9:12 AM
    #10
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Turns out the dealer was right! It was the AC compressor Clutch just beneath the Alternator. Warranty covered it and thank God, cause it's a $620 part if not. They usually see them go between 60k and 80k so this is a first for them at 40k and with a 2010. They thought Toyota solved the issue but guess not. They had the part in stock so all done and good to go.
     
  11. Apr 10, 2012 at 7:11 PM
    #11
    ecoterragaia

    ecoterragaia Well-Known Member

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    Newfoundland?
     
  12. Apr 11, 2012 at 5:05 AM
    #12
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Winner!
     
  13. Apr 11, 2012 at 4:06 PM
    #13
    N Y Tacoma

    N Y Tacoma Member

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    I must file this one in memory.
     
  14. Apr 12, 2012 at 5:05 PM
    #14
    StandupTaco

    StandupTaco [OP] Well-Known Member

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    Don't tell me that I'm the 1st one to have this changed? There must be a thread on here somewhere documenting it...
     
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