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Whining sound from Engine

Discussion in '1st Gen. Tacomas (1995-2004)' started by MarksTac, Oct 20, 2009.

  1. Oct 20, 2009 at 6:24 PM
    #1
    MarksTac

    #1
    MarksTac [OP] New Member

    Joined:
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    Member:
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    Gender:
    Male
    First Name:
    Mark
    Knoxville
    Vehicle:
    99 Tacoma Prerunner
    My truck is making a very loud whining sound when I raise the Idle (moving or not). I have searched online to find out what this is and gotten a hundred different possibilities. Any help on this would be greatly appreciated.
    Thanks!:confused:
     
    MarksTac, Oct 20, 2009
    #1
  2. Oct 20, 2009 at 8:18 PM
    #2
    tacomaman06

    #2
    tacomaman06 Carolina Alliance: Enforcer

    Joined:
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    Will
    York,South Carolina
    Vehicle:
    '16 Tundra TRD Pro
    getting there....
    sounds to me like it may be a belt or a pulley.
     
    tacomaman06, Oct 20, 2009
    #2
  3. Oct 20, 2009 at 10:49 PM
    #3
    Janster

    #3
    Janster Old & Forgetful

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    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    Do you offroad much or drive in/around water or mud?

    The 3.4L A/C idler pulleys (bearings) tend to be the first to go...they get water in the bearings and start squeeking & will eventually stop working.

    Easy to replace. You can get an entire pulley replacement from the dealer for a decent price. If you just replace the bearings - make sure you get the proper bearings. Even though a bearing can & will fit -doesn't mean it'll handle the rpm's. Ask me how I know...:p
     
    Janster, Oct 20, 2009
    #3
  4. Oct 22, 2009 at 8:53 PM
    #4
    tt01

    #4
    tt01 Active Member

    Joined:
    Oct 19, 2009
    Member:
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    First Name:
    Mike
    Canal Fulton Ohio
    Vehicle:
    01 tacoma 6" suspension lift
    35" tires, 15" wheels 6" suspension lift (fabtech),
    i have the same sound coming from my 2001 2.7L and i think it is the power steering pump going out
     
    tt01, Oct 22, 2009
    #4
  5. Oct 22, 2009 at 8:58 PM
    #5
    dysfunctnlretard

    #5
    dysfunctnlretard Hi

    Joined:
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    Manny
    CA
    Vehicle:
    2010 FJC
    55w HIDs, 16" Countersteer Offroads, Yokahama All Terrains, Demello Sliders
    I took my truck in yesterday for the exact some reason. I went through some mud & water and, like JANSTER said, mud got into my idler pulley. It got into my bearings and started wearing them out. Apparently the dealerships do not sell the bearings and only sell the idler pulley entirely so I had to purchase the entire thing. I had it installed and parts and labor cost me less than $100. Hope it works out for you.

    EDIT: I didnt get it installed at the dealership, rather by a mechanic
     
    dysfunctnlretard, Oct 22, 2009
    #5
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