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Exhaust Rattle

Discussion in '1st Gen. Tacomas (1995-2004)' started by SRQ TACO, Apr 19, 2011.

  1. Apr 19, 2011 at 9:50 AM
    #1
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

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    I just installed my stock muffler back in and it rattles now! It only rattles when in Reverse or Drive at idle. Not when in neutral, driving or when truck fully heats up. The stock muffler has a turndown before the axle. I used all the stock proper hangers. I also only have a heatsheild on cat #2. I took off the 1st cats heatshield back when I had my flowmaster because I had a rattle aswell (didnt solve it). Any ideas?
     
  2. Apr 19, 2011 at 9:52 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Check the heat shields to make sure they have more than 1/2" clearance.
     
  3. Apr 19, 2011 at 10:04 AM
    #3
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

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    Is it safe to just take the 2nd cats heatshield off? I already took off the 1st cats one off.
     
  4. Apr 19, 2011 at 12:15 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I dont know. I never tired it.
     
  5. Apr 19, 2011 at 1:58 PM
    #5
    pittim

    pittim mittip

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    Respect your elder gen.
    Pink slider.
    mine rattles too....i'm fairly certain its the heatshield on the 2nd cat, as its really "tinny" sounding. i'm about to just take thing thing off since my skid covers the majority of it.
     
  6. May 17, 2011 at 10:16 PM
    #6
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

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    Still haven't figured it out...:(
     
  7. May 21, 2011 at 8:52 AM
    #7
    Norcalkid

    Norcalkid Well-Known Member

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    did you weld it or use a cupler and exhaust clamps? i had the same problem with my camaro a few years back because i used clamp and a cupler and it wasnt a very tight fit. i just took a die grinder and put about a 1/8" slot on either sime of the pipe and stuck the cupler into it and the clampe fit like a charm, small amount of leakage but nothing too noticable.
     
  8. May 21, 2011 at 11:31 AM
    #8
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

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    I welded it....
     
  9. May 29, 2011 at 12:17 AM
    #9
    Norcalkid

    Norcalkid Well-Known Member

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    well shit. id say check all of youre hangers, clearances, the manifold flange, all the obvious culprates. could be some debris inside the muffler or cat?
     
  10. May 30, 2011 at 11:56 AM
    #10
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

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    But the weird part is it only rattles when it first starts in the morning.
     
  11. May 30, 2011 at 12:41 PM
    #11
    Norcalkid

    Norcalkid Well-Known Member

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    in that case, im gonna say i think its the manifold flange. just check those two bolts on each manifold, more often then not they will need to be replaced since they rust relly quick. i could be mistaken but id need to hear it in person to be sure.
     
  12. May 30, 2011 at 12:44 PM
    #12
    Norcalkid

    Norcalkid Well-Known Member

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    how long does it take for the rattling to stop once its started? could be expanding from the heat, stopping the rattling.
     
  13. Jun 1, 2011 at 12:20 PM
    #13
    Quid

    Quid Member

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    I just fixed a squeaky rattle by installing 7 new grill clips! $15 and my rattle is gone. it would rattle at various different times of the day and night. Hope that might help. good luck, i hate rattles. that's why i own a Tacoma!
     
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