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Exhaust "Tick"

Discussion in '1st Gen Tundras (2000-2006)' started by Rkcruza, May 14, 2015.

  1. May 14, 2015 at 12:48 PM
    #1
    Rkcruza

    #1
    Rkcruza [OP] New Member

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    Anyone had issues with the stock 1st gen exhaust manifolds? Mine developed a "tick" when cold which is most likely a small crack or slightly warped flange. From what I understand, swapping out the manifolds is a real PITA on 1st gens so I have simply ignored it for about 2 years (goes away when she warms up).
     
    Rkcruza, May 14, 2015
    #1
  2. May 14, 2015 at 1:06 PM
    #2
    Mike

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    Mike Tread lightly.

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    yep bank account is running low from it..
    You sure its not the gasket gone bad?
     
    Mike, May 14, 2015
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  3. May 14, 2015 at 8:55 PM
    #3
    Sean266

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    Sean266 Mr. Clean Staff Member

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    This

    Or can it be an exhaust leak?
     
    Sean266, May 14, 2015
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  4. May 14, 2015 at 9:57 PM
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    Rkcruza

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    Rkcruza [OP] New Member

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    Not sure what it is....it started a couple years back...local mechanic said Tundras had issues with the exhaust manifold cracking. Hasn't gotten any worse and still passes smog so I've sort of ignored it as it goes away when warmed up. Can't really get to a spot to look at it as the 4.7 is crammed in pretty tight in the 1st gen and there is tin shrouding around it all. Just thought I'd see if anyone has had a sim issue...
     
    Rkcruza, May 14, 2015
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  5. May 15, 2015 at 6:08 AM
    #5
    Mike

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    Mike Tread lightly.

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    yep bank account is running low from it..
    I have the 4.7 with 144 on the clock no leaks at all yet. Toyota is not the best at manifolds.
     
    Mike, May 15, 2015
    #5
  6. May 18, 2015 at 9:33 PM
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    csuviper

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    csuviper Moderator Staff Member

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    Some Mods :) See build thread for details
    Go for the headers and gain performance while fixing the tick
     
    csuviper, May 18, 2015
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    Bear, 15whtrd and LOTSOFTOYS like this.
  7. Oct 15, 2015 at 4:02 PM
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    rdp5008

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    rdp5008 New Member

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    I have the cold tick at 135k. Something to do with exhaust manifold (crack or bad gasket?). Heard it was a common thing. Doesn't seem to impact performance or mpg though.
     
    rdp5008, Oct 15, 2015
    #7
  8. Oct 15, 2015 at 6:53 PM
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    Rkcruza

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    Rkcruza [OP] New Member

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    I have heard that the tube type manifolds get cracks. Mine has the tick on the drivers side...been there for a few years and still passes smog etc. Haven't changed it as they are a PITA to change out on the early Tundras.
     
    Rkcruza, Oct 15, 2015
    #8
  9. Oct 16, 2015 at 11:54 AM
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    LOTSOFTOYS

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    LOTSOFTOYS Toyota Whisperer

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    Common on early 4.7s... Cracked manifolds
     
    LOTSOFTOYS, Oct 16, 2015
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  10. Aug 6, 2017 at 10:35 AM
    #10
    Somemedic

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    Somemedic New Member

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    When you get ready to do your next 90k service replace the manifolds at the same time. My manifolds came out in 2 pieces when they went to change the gaskets. 102k at the time.
     
    Somemedic, Aug 6, 2017
    #10
  11. Aug 26, 2017 at 7:17 AM
    #11
    Filthyphil

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    Filthyphil New Member

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    My 2000 ticks for a little while until the headers get hot, then sounds normal. I figure I'll just run them until it gets worse then throw a new performance set on.
     
    Filthyphil, Aug 26, 2017
    #11
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