Mystery dash rattle driving me crazy

  1. CivicChina

    CivicChina Senior Member

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    Did you reach the air duct behind the dash and put a piece of adhesive foam to stop the plastic baffle from moving around? I had exactly the same rattle and it went away after this job.

    Screenshot_20180729-194328.png

    Screenshot_20180729-194305.png
     
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  2. latole

    latole Civic Lx 2018 Manual , Civic LX 2016 Manual

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    This part is behind the glove boxe, mine is loose too. It did not rattle for now, I'm better to add a big piece of air foam
     
  3. OP
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    SDSport6MT

    SDSport6MT Member

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    I’ll check it out thanks for the detailed photos
     
  4. GoodBytes

    GoodBytes Senior Member

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    All I can think about is that it's a cable inside that vibrates and hit the sides of something. Maybe you'll need to take the thing apart and add foam everywhere and make sure the cable are tied in properly. You can try your luck with the dealership as well. But probably won't do much unless they know exactly how to solve the problem without making new ones.
     
  5. davemarco

    davemarco Senior Member

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    Have it too. Sounds like it's coming from my center air vents. Only happens at around 1500 RPM, and drives me crazy.
     
  6. latole

    latole Civic Lx 2018 Manual , Civic LX 2016 Manual

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    I agree, that is what I wrote Saturday
     
  7. latole

    latole Civic Lx 2018 Manual , Civic LX 2016 Manual

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    I'm only few second at 1,500 rpm until I reach 1,900/ 2,000 rpm and more
     
  8. OP
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    SDSport6MT

    SDSport6MT Member

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    Ok so I figured out it’s coming from this box, if I pull down on the round part while revving it the noise stops. Can anybody identify this part?

    308DEF57-D563-4D90-AE5E-E1F1D21E5212.jpeg
     
  9. davemarco

    davemarco Senior Member

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    Depends on the perspective. Is that the center console as viewed from the passenger side footwell?
     
  10. OP
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    SDSport6MT

    SDSport6MT Member

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    Yes, It’s the passenger footwell side
     
  11. OP
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    SDSport6MT

    SDSport6MT Member

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    Figured it out, this is the heater core I might just contact my dealer and see if they will replace it.
    #79311-TBC-A62
     
  12. davemarco

    davemarco Senior Member

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    Just curious - would you possibly be able to point out where you pried on to remove the panel that covers that area? I've broken down my center console several times, but I've never messed with that particular trim area.
     
  13. OP
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    SDSport6MT

    SDSport6MT Member

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    Four screws along the top by the latch for the glove box and then one on each lower corner. Then take off the panel on the right by the door by prying gently. After this panel is off you can see in behind the larger piece where the clips are. Just gently pry and it pops off. Took 5 min.
     
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  14. civicdota

    civicdota Senior Member

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    It looks like the heater core is one massive unit, wouldn't replacing that thing require the whole dash to be basically torn apart??
     
  15. OP
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    SDSport6MT

    SDSport6MT Member

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    I hope not, it looked pretty accessible from where I was but I couldn’t see the mounting points.
     
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