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Noise when Tacoma vibrates going down the road...

Discussion in '1st Gen. Tacomas (1995-2004)' started by rzaucha, Nov 3, 2009.

  1. Nov 3, 2009 at 6:26 PM
    #1
    rzaucha

    rzaucha [OP] Big Member

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    If it ain't broken, I'll fix it.
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    This noise is driving me crazy! I can't figure it out. The noise doesn't start/stop or get louder/softer with acceleration or deceleration. It also doesn't matter if the car is running or off when driving down the road. The simplest of bumps or vibrations make the noise noticeable. I've looked everywhere for loose things such as manifold heat shields, catalytic converter heat shield, the heat shields that follow the muffler, and so on and so forth. Nothing appears to be loose. Perhaps is a bearing of some kind? I can't really say the noise is coming from the engine compartment so much as it sounds to be coming from directly underneath the truck. Can't be fore sure if it's coming from the front or the back or from side to side. It's loud and it's embarrassing. I've only owned the truck for 3 months now and didn't even notice it until I road around with the windows down a couple weeks ago. Any help, advice, or ideas will be greatly appreciated; besides the obvious take it to a mechanic. Don't have discretionary funds to do that at the moment.
     
  2. Nov 3, 2009 at 6:30 PM
    #2
    johnw

    johnw Well-Known Member

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    well you asked for specs..... 06 trd sport speedway blue V-6 4.0 camburg lift spindles extended travel icons total chaos lowers allpro 4" leaf pack 17" xd hoss rims 305/65/17 mickey thompson baja atz Allpro hybrid bumper with 3 kragen HID lights color matched headlights grill craft grill AFE stage 3 CAI wicked flow muffler under cover bed cap inside i have..... wet okole real tree camo seat cover blue oznium dome light stealth sub box with 2 10" kicker comp subs kicker 400 watt amp weathertech floor mats
    spare tire? maybe not all the way up?
     
  3. Nov 3, 2009 at 6:32 PM
    #3
    VirginiaBound

    VirginiaBound Whyareyoureadingthis?

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    Sam I am, green eggs and ham
    North of Maine, South of Spain
    I had the same problem on my 99 Tacoma. Its the catalytic converter! Its a huge clanging noise that is as loud as hell! I was also hoping it was a heat shield but it was inside the cc, I had to get a new one. It solved the problem. One thing you can do is find a screwdriver and wedge it between the top of the cc and the frame rail running across, it will keep the cc from moving around thus the rattle stops. You can probably find an offbrand cc for around 100 bucks good luck.
     
  4. Nov 3, 2009 at 6:33 PM
    #4
    rzaucha

    rzaucha [OP] Big Member

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    No, I just put the new exhaust in today and step 2 was to remove the spare tire. The second to last step was to put it back in place. So I know the spare is on nice and tight.
     
  5. Nov 3, 2009 at 6:34 PM
    #5
    rzaucha

    rzaucha [OP] Big Member

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    Thanks. I'm gonna go pull it off right now and shake it around to see if you're correct...
     
  6. Nov 3, 2009 at 7:06 PM
    #6
    rzaucha

    rzaucha [OP] Big Member

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    Okay, so there is a front and a rear Cat. I banged both pretty hard with a hammer, yet no noise from either. How can I tell if it's one or the other? If I were to take them off and shake them, would they even reproduce the noise? How sure can I be that this is the source of the problem?
     
  7. Nov 3, 2009 at 7:24 PM
    #7
    rzaucha

    rzaucha [OP] Big Member

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    Anyone know how to tell if a cat is broken while still on the vehicle?
     
  8. Nov 3, 2009 at 7:41 PM
    #8
    Vultite

    Vultite Active Member

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    hrm, if a cat was busted...would it throw a code b/c emissions are messed up?
     
  9. Nov 4, 2009 at 5:40 PM
    #9
    rzaucha

    rzaucha [OP] Big Member

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    So today I removed both cats and banged them around. Seems as if something was loose in the front cat. Going to have that replaced and see if that solves the problem. OEM part is super pricey!!! Cats all do the same thing right? Would there be any really bad cons for going with a cat that costs $80? Also, all three bolts that attached the front cat to the exhaust manifold snapped. How much will a shop charge to drill those bolts out?
     
  10. Nov 4, 2009 at 10:37 PM
    #10
    jesus

    jesus Well-Known Member

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    K&N ram intake & doug exs.
    hey I have the same problem I know i need the rear cat but money it tight and I live in cali so $300 +++ ... my noise sound like there's some thing lose and it come's a goes anything else that it may be or anyone know how Ican get a low cost cat cali ok. dealer wants $1500++ for blot on and after market needs to be weld on... All input is welcome...
     
  11. Nov 4, 2009 at 10:43 PM
    #11
    rzaucha

    rzaucha [OP] Big Member

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    jcwhitney.com or summitracing.com has good prices and free shipping. the rear is a simple bolt on bolt off.
     
  12. Nov 5, 2009 at 2:15 PM
    #12
    jesus

    jesus Well-Known Member

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    K&N ram intake & doug exs.
    Yea but the problem is I'm in cali and blot on are hard to come by but thanks I'll give them a try and hope I have some luck
     
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