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Muffler bearing gone bad

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jandrews, Dec 5, 2012.

  1. Dec 5, 2012 at 3:59 PM
    #41
    Leggo

    Leggo slow is smooth, and smooth is fast.

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    Is that the new closed loop system I heard about?
     
  2. Dec 5, 2012 at 4:00 PM
    #42
    KenLyns

    KenLyns 8.75" Third Member

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    That's true for 1st gen Tacos. 2nd gens with the V6 have only two muffler bearings - one per cylinder bank. See parts diagram:

    [​IMG]
     
  3. Dec 5, 2012 at 4:00 PM
    #43
    RAT PRODUCTS

    RAT PRODUCTS Well-Known Member

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    Yep. 100% back pressure so no torque is being wasted in the low end.
     
  4. Dec 5, 2012 at 4:11 PM
    #44
    olouieo

    olouieo U-member

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    It was almost impossible to remove mine I had to use a left handed srewdriver.
     
  5. Dec 5, 2012 at 4:32 PM
    #45
    Mach375

    Mach375 Habitual Violator of Wheeling Rule #2

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    Too much to list, but enough to get me in trouble. Repeatedly.
    Yeah, 2013's have seen some changes, haven't they?

    The 2005-2011 models use a pilot wrench to get to it. Quite a bit easier, but pulling the hypoid cramdshaft out to get to it makes it an extra step over yours.
     
  6. Dec 5, 2012 at 4:34 PM
    #46
    JDMcQ

    JDMcQ Well-Known Member

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    Metric of course.
     
  7. Dec 5, 2012 at 4:37 PM
    #47
    RAT PRODUCTS

    RAT PRODUCTS Well-Known Member

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    I saw they added a bigger johnson rod on the 2013 so the left handed screwdriver is needed. But it's only on the black trucks.
     
  8. Dec 5, 2012 at 4:43 PM
    #48
    KiltedRonin

    KiltedRonin Poor Impulse Control

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    Muffler bearing part# B-A-1100-N is the correct one right?
     
  9. Dec 5, 2012 at 4:46 PM
    #49
    KenLyns

    KenLyns 8.75" Third Member

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    Make sure you get the TSB bearing, P/N B-A-1100-N3. Mention HARSH SOUND at the service desk. Be polite.
     
  10. Dec 5, 2012 at 4:52 PM
    #50
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Ah, of course!
     
  11. Dec 5, 2012 at 4:55 PM
    #51
    Mach375

    Mach375 Habitual Violator of Wheeling Rule #2

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    Too much to list, but enough to get me in trouble. Repeatedly.
    This NEEDS to be added to the TSB thread!!
     
  12. Dec 5, 2012 at 5:21 PM
    #52
    jandrews

    jandrews [OP] Hootin' and Hollerin'

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    I think Marlin Crawler makes an adapter plate, but I'd have to look up the part # for it.

    Re: 1 per cylinder bank: Unlikely to blow out more than one muffler bearing at any given time, even with hard wheeling.


    Good to know. Thanks.
     
  13. Dec 5, 2012 at 5:43 PM
    #53
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You have a few options for replacement. if your not getting rid of your truck anytime soon, you could go with an OEM MB, but keep in mind, its a good thing to also consider getting a Muffler Bearing Master Rebuild kit. This includes things that dont come with the part itself, like muffler bearing anti lube grease, and a muffler bearing calibration tool. If you are hard on your MB's, which given your pics, you are, then I would consider a ceramic MB replacement. Most are a perfect drop in replacement for OEM MB's, after they are machined to specs. MAKE SURE that you dont install the rear most MB into the front of the exhast. tHIS CAN CAUSE SERIOZ issues with the kanuter valve assembly. The front bearing has a "DE" on it, while the rear has "RP" printed.
     
  14. Dec 5, 2012 at 5:56 PM
    #54
    Leggo

    Leggo slow is smooth, and smooth is fast.

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    nobody even mentioned the "normal" break in period, or the "extended" break in period and the possible hazards with that whole ordeal. Is it just me?
     
  15. Dec 5, 2012 at 5:57 PM
    #55
    KenLyns

    KenLyns 8.75" Third Member

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    I accidentally drained my muffler's anti lube grease trying to flush the blinker fluid system. Halp!
     
  16. Dec 5, 2012 at 6:05 PM
    #56
    jrzyshore

    jrzyshore Well-Known Member

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    You didn't get you blinker fluid mix with the headlight fluid.
     
  17. Dec 5, 2012 at 6:06 PM
    #57
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Not to worry!! Drain the remaining fluids into the tranny.
     
  18. Dec 5, 2012 at 6:06 PM
    #58
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Thats a good point. Jandrews should be informed of the hazards of an impropper break in.
     
  19. Dec 5, 2012 at 6:07 PM
    #59
    LDurchy

    LDurchy Well-Known Member

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    I have had good luck with Acme brand rotate-a-lator juice. The 2000 and later vehicles require the metric blend. A mole in the labs has informed me about a new synthetic urethane plastic bearing called Healathon. It actually will heal to new build specs. It is renewed by playing bagpipes for 45 minutes within 5 meters of the parts. It is good for 10 'renews'.
     
  20. Dec 5, 2012 at 6:11 PM
    #60
    WhatThePho?

    WhatThePho? Greg Graffin 2016

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    You might need to send in an exhaust sample to a emission lab. Your muffler bearing is hot at 30k miles? Sounds like something else is bad.


    I had to install a turbo encabulator on my subaru. It helps my muffler bearing last longer with all that boost.
     

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