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Low rumbling noise coming from around psngr front tire

Discussion in '2nd Gen. Tacomas (2005-2015)' started by JoltinJacket, Mar 24, 2010.

  1. Mar 24, 2010 at 11:39 AM
    #1
    JoltinJacket

    JoltinJacket [OP] Member

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    Atlanta, Ga
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    07 PreRunner SR5
    I’ve got an ’07 SR5 (auto trans. with about 37k miles. The last couple weeks I’ve had a “rumbling” noise coming from the area around the passenger front tire. It sounds almost like plastic or rubber vibrating. I've checked the mudflap and the wheel well and can't find anything loose.

    Generally, it only happens when I’m in 5th gear and on the verge of downshifting into 4th (between 35-45 mph). When I give it gas to speed up, the rumbling goes away. The only other time I’ve noticed is when the car hasn’t fully warmed up and I’m slowly moving forward in drive without my foot on the gas. Any ideas on what might be causing this?
     
  2. Mar 24, 2010 at 11:51 AM
    #2
    minglewood

    minglewood New Member

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    Don't know what's causing the noise but I get the same one from the same area. Though I think it's higher up, sounds behind the dash. It started at about 50k miles as a very faint sound, almost questioned whether I heard it or not. Now at 100k it is very noticable at low spead and about 1000-1500 rpms regardless of gear or speed.

    I thought it was the air cleaner so I tried running around the block without it and still made the noise. Unfortunately, I think I will only find the culprit when something finally lets go.
     
  3. Mar 24, 2010 at 11:52 AM
    #3
    Trapper6speed

    Trapper6speed Hacksaw engineer

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    Wheel bearing? Jack the tires off the ground and check for play and if it spins freely.
     
  4. Mar 24, 2010 at 11:55 AM
    #4
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Beech Creek
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    5100's all on fours
    Check where the air intake goes into the fender. It may be loose. There was actually a TSB for it at one time.
     
  5. Mar 24, 2010 at 11:58 AM
    #5
    Evil Monkey

    Evil Monkey There's an evil monkey in my truck

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    Robert
    Escondido, CA
    Vehicle:
    07 4x4 DC SR5 TRD Off-road
    Weathertech front & rear mats, rear suspension TSB, Toytec AAL for TSB, Hi-Lift Jack, Bilstein 5100 & Toytec Adjustable coilovers, Built Right UCAs, KMC XD 795 Hoss Wheels, Definity Dakota MTs 285/75R16, Leer XR, Thule Tracker II & Thule MOAB basket
    That'd be my guess.
     
  6. Mar 27, 2010 at 1:45 PM
    #6
    JoltinJacket

    JoltinJacket [OP] Member

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    I finally got around to checking this and I don't think this is it. There is a little foam "spacer" between the intake hose and the firewall. The bolts holding the hose in place are tight. I don't think this noise started until I cleaned out the throttle body about a month ago. Any other ideas?
     
  7. Mar 27, 2010 at 2:01 PM
    #7
    thegreatsam

    thegreatsam Well-Known Member

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    Sam
    Vancouver, WA
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    06 Double Cab TRD Off-Road
    I've had this same problem since I purchased my truck, 06 DC with 86k miles. Its most noticeable at low rpm's.


    I looked, and I'm not sure whats on the other side. I'd love to get this repaired...

    Edit: So, according to the TSB, the whole hose needs to be replaced? Wonder if I shouldn't just replace the intake itself to something a little better while I'm at it...

    EG046-06 http://www.tacomaworld.com/forum/2nd-gen-tacomas/7107-tsb-list-2005-2009-toyota-tacoma.html
     
  8. Mar 27, 2010 at 6:18 PM
    #8
    sdnicker2000

    sdnicker2000 Well-Known Member

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    Rear spring TSB, Fumoto Valve, No A/C on defrost mod., tailgate theft mod.
    Passenger eat too many beans? Sorry!;)
     
  9. Jul 12, 2010 at 9:25 AM
    #9
    minglewood

    minglewood New Member

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    I finally found out what the low rumble is caused by. When in overdrive, apparently there is just the right amount of vibration to cause the air intake tube to vibrate against the firwall. To correct this I shoved a piece of spare rubber stripping from a mudflap project into the space where the foam is. This has corrected the problem. No more noise.
     
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