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1-3 gear humming??

Discussion in '1st Gen. Tacomas (1995-2004)' started by TeamRooR, Mar 22, 2010.

  1. Mar 22, 2010 at 6:22 AM
    #1
    TeamRooR

    TeamRooR [OP] Well-Known Member

    Joined:
    Mar 20, 2010
    Member:
    #33597
    Messages:
    56
    Gender:
    Male
    First Name:
    Phil
    Hedgesville, WV
    Vehicle:
    2003 Tacoma TRD 4x4
    K&N intake, rust
    I recently bought an 03 trd Tacoma, have had a 94 pickup and a 99 single cab taco, they were all 4 cyc. however my new one is a 6. I get a slight humming in 1-3 gear kind of similar to the sound reverse makes, not nearly as loud though. First gear it's most apparent, second a little less and third you can just barely hear it. My old man has not heard it but says it could just be the nature of the truck?? Have no noticed a change from the 1000 miles I have owned it, nor has anything seemed wrong.

    My questions is, is it normal and or ok?? It has not gotten any worse and does not sound to awful bad but I have never heard it in the past on any of my 4 cylinders?? I have changed all the fluids except the front diff. so far, no change in the hissing/humming. I also have a k&n intake, I don't think it's coming from that though.

    Thanks!
     
  2. Mar 22, 2010 at 7:49 AM
    #2
    pairodice

    pairodice Well-Known Member

    Joined:
    Jul 8, 2009
    Member:
    #19456
    Messages:
    275
    Gender:
    Male
    First Name:
    Jay
    SF NM
    Vehicle:
    03 DCSB
    magnaflow cat back exhaust, K&N filter, gray wire, deck plate, ome 883's, ome dakar leafs, bilstien 5100's, blacked out grille, AVS bug shield & window vents, arb bull bar, hella 5in lights, mile marker 8k winch, debadged tailgate, energy steering rack bushings, custom rear bumper w/ hidden receiver, custom headache rack, ome greasable shackles, 4.88's w/solid spacer, SS extended brake line
    have you checked oil level in the trans
     
  3. Mar 22, 2010 at 8:45 AM
    #3
    TeamRooR

    TeamRooR [OP] Well-Known Member

    Joined:
    Mar 20, 2010
    Member:
    #33597
    Messages:
    56
    Gender:
    Male
    First Name:
    Phil
    Hedgesville, WV
    Vehicle:
    2003 Tacoma TRD 4x4
    K&N intake, rust

    I have changed all the fluids except front diff. I am struggling to get the drain plug broke lose...
     
  4. Mar 22, 2010 at 9:35 AM
    #4
    pairodice

    pairodice Well-Known Member

    Joined:
    Jul 8, 2009
    Member:
    #19456
    Messages:
    275
    Gender:
    Male
    First Name:
    Jay
    SF NM
    Vehicle:
    03 DCSB
    magnaflow cat back exhaust, K&N filter, gray wire, deck plate, ome 883's, ome dakar leafs, bilstien 5100's, blacked out grille, AVS bug shield & window vents, arb bull bar, hella 5in lights, mile marker 8k winch, debadged tailgate, energy steering rack bushings, custom rear bumper w/ hidden receiver, custom headache rack, ome greasable shackles, 4.88's w/solid spacer, SS extended brake line
    could just be noisy a friend of mine has a 2000 taco 2.7 4x4 and it sound like its going to blow up in all gears but has like 270k he said it started making noise around 150k
     
  5. Mar 23, 2010 at 5:19 AM
    #5
    TeamRooR

    TeamRooR [OP] Well-Known Member

    Joined:
    Mar 20, 2010
    Member:
    #33597
    Messages:
    56
    Gender:
    Male
    First Name:
    Phil
    Hedgesville, WV
    Vehicle:
    2003 Tacoma TRD 4x4
    K&N intake, rust
    I would say it is more of a whining then a humming. Maybe it will go away when I get the front diff plug out and get the oil changed in there??
     
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